A lighting fixture can include a housing and a plurality of modules positioned within the housing. The plurality of modules can be distributed along a front portion of the housing. Each module of the plurality of modules includes a plurality of light emitting diodes and is independently mountable in the housing such that a number of modules in the plurality of modules is selectable.
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V 13/00 - Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups
A lighting fixture can include a housing and a plurality of modules positioned within the housing. The plurality of modules can be distributed along a front portion of the housing. Each module of the plurality of modules includes a plurality of light emitting diodes and is independently mountable in the housing such that a number of modules in the plurality of modules is selectable.
A lighting fixture can include a housing and a plurality of modules positioned within the housing. The plurality of modules can be distributed along a front portion of the housing. Each module of the plurality of modules includes a plurality of light emitting diodes and is independently mountable in the housing such that a number of modules in the plurality of modules is selectable.
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V 13/00 - Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
A lighting fixture can include a housing and a plurality of modules positioned within the housing. The plurality of modules can be distributed along a front portion of the housing. Each module of the plurality of modules includes a plurality of light emitting diodes and is independently mountable in the housing such that a number of modules in the plurality of modules is selectable.
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V 13/00 - Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
A system and method of assembling a light engine includes determining a desired light output profile for the light engine, selecting a reflector based on the desired light output profile, and selecting one of a first light board and a second light board. The first light board includes a different number of light emitting diodes than the second light board. Each of the first light board and the second light board are capable of providing the desired output light profile when they are coupled with the selected reflector. The method also includes positioning the one of the first light board and the second light board within the housing, adjacent the reflector.
F21Y 105/18 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annularPlanar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
A luminaire includes a housing, a first light source, and a second light source. The housing includes a light exit aperture defined therein. The first light source is disposed in the housing. The first light source emits visible light. The second light source is also disposed in the housing. The second light source is between the first light source and the light exit aperture. The second light source emits ultraviolet light. The second light source further allows at least some of the light emitted by the first light source to pass therethrough.
A light fixture includes a housing configured to be secured to a support surface. The housing includes a first end, a second end, and a first and a second side extending between the first end and the second end. A control component is positioned in the housing. A reflector assembly is positioned in the housing. A light emitter is connected to the reflector assembly. A door assembly is releasably connected to the housing. The door assembly has a frame bordering a central opening, a lens, positioned over the central opening, and a gasket positioned between the lens and the frame.
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
A universal junction box includes an upper body having a first connecting feature. A lower body releasably connects to the upper body having a second connecting feature configured to mate with the first connecting feature. The upper body and lower body forming a housing to receive an electrical connection. A first mounting feature is configured to selectively secure the housing to an associated frame or to an unassociated frame or other support structure.
A luminaire including a housing, a light emitter supported by the housing, and a cover removably coupled to the housing, where the cover includes a lens substantially covering the light emitter. An end cap is removably coupled to the housing and positioned substantially flush with the lens. A coupling mechanism couples the end cap to the housing, where the end cap substantially covers the coupling mechanism while coupled to the housing.
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
F21V 5/04 - Refractors for light sources of lens shape
F21V 15/015 - Devices for covering joints between adjacent lighting devicesEnd coverings
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
Reduced glare light fixtures are provided. In one example implementation, a reduced glare light fixture includes a light emitting diode (LED) system. The LED system includes at least one LED module having one or more LED devices. The reduced glare light fixture further includes a bezel physically coupled to the LED system engine. The bezel has one or more glare reduction openings. At least one of the one or more glare reduction openings is configured to be approximately coaxial with one LED of the one or more LED devices.
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
F21V 3/06 - GlobesBowlsCover glasses characterised by materials, surface treatments or coatings characterised by the material
F21W 131/105 - Outdoor lighting of arenas or the like
F21W 131/407 - Lighting for industrial, commercial, recreational or military use for indoor arenas
F21Y 105/12 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
F21Y 113/13 - Combination of light sources of different colours comprising an assembly of point-like light sources
An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 13/04 - Combinations of only two kinds of elements the elements being reflectors and refractors
F21V 29/71 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
A lighting fixture is provided. The lighting fixture may include one or more circuit boards having a plurality of LED light sources. The lighting fixture may further include one or more lens assemblies coupleable to the one or more circuit boards. The one or more lens assemblies may include a frame defining a plurality of openings. The one or more lens assemblies may further include a plurality of lenses molded to the frame. The plurality of lenses may be molded to the frame such that each of the plurality of lenses is at least partially positioned within a corresponding opening of the plurality of openings defined by the frame.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
F21S 8/00 - Lighting devices intended for fixed installation
Light boards including one or more light emitting elements (e.g. light emitting diode (LED) devices) for use in lighting fixtures are disclosed. In one example implementation, a light board includes a first layer having a first surface and an opposing second surface. The light board includes one or more light emitting elements disposed on the first surface of the first layer. The light board includes one or more circuit elements located on the second surface of the first layer. The one or more circuit elements are associated with powering the one or more light emitting elements. The light board includes a second layer disposed on the second surface of the first layer such that the one or more circuit elements are located between the second surface of the first layer and the second layer.
A lighting device includes a housing and a light emitter coupled to the housing. A mounting plate is coupled to the housing and includes a front surface facing the housing and a rear surface opposite the front surface. The rear surface includes a snap-fit mounting feature and a rear connector portion. A first connector is coupled to the rear connector portion and operatively coupled to the light emitter.
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting deviceSnap action mounting
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
F21V 14/02 - Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 21/02 - Wall, ceiling, or floor basesFixing pendants or arms to the bases
H01R 13/60 - Means for supporting coupling part when not engaged
Lighting systems and methods implementing toggle control are provided. In one example implementation, a lighting system can include a first LED array having one or more LED devices and a second LED array having one or more LED devices. The system can further include a single throw circuit interrupter configured to receive power from a power source. The system can further include a power conversion circuit configured to convert an input power received via the toggle switch to a power output for the first LED array and the second LED array. The power conversion circuit can be configured to control a power distribution ratio between the first LED array and the second LED array based at least in part on a detected toggle input (e.g., a toggle pattern) implemented using the single throw circuit interrupter.
H05B 45/44 - Details of LED load circuits with an active control inside an LED matrix
H05B 47/185 - Controlling the light source by remote control via power line carrier transmission
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits
A lighting fixture defines a lateral direction, a transverse direction, and a vertical direction. The light fixture includes a frame and a first panel supported by the frame. The first panel includes a first edge extending between a front surface of the first panel and a rear surface of the first panel. The lighting fixture includes a second panel supported by the frame. The second panel includes a second edge extending between a front surface of the second panel and a rear surface of the second panel. The lighting fixture includes at least one light source configured to illuminate the first panel and the second panel. The lighting fixture includes a light reflector extending adjacent to the rear surface of the first panel and the rear surface of the second panel. The light reflector reflects light emitted from at least one of the first panel and the second panel.
A lighting device includes a light source emitting light having a first bandwidth. A single optic device is coupled to the light source. The single optic device filters light having a preselected subrange of wavelengths within the first bandwidth to generate a first filtered light. The single optic device controls a shape of a beam of the filtered light. The filtered light creates a high-intensity narrow-spectrum light output. A second light source emits a high-intensity narrow-spectrum light output.
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21K 9/65 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
A light emitter includes a first portion, a light emitting element, a second portion, a pocket positioned in one of the first portion and the second portion, and an electrical connector. The first portion includes a first surface and a second surface opposite the first surface. The light emitting element is positioned adjacent the first surface of the first portion. The second portion is coupled to the second surface of first portion. The electrical connector is disposed in the pocket, and the electrical connector is recessed relative to the first surface of the first portion.
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
An emergency notification system for a building is provided. The emergency notification system includes one or more inputs devices mounted throughout the building. The one or more input devices can be configured to receive a manual user-input. The emergency notification system can include one or more output devices mounted throughout the building. The one or more output devices can include a plurality of LED arrays. Each of the plurality of LED arrays can be configured to emit light of a different color to indicate a different type of emergency. The emergency notification system can include one or more control devices configured determine a type of emergency occurring within the building based on the manual user-input. Furthermore, in response to determining the type of emergency, the one or more control devices can activate one of the LED arrays to emit light of a color indicative of the type of emergency.
H05B 47/155 - Coordinated control of two or more light sources
G08B 21/02 - Alarms for ensuring the safety of persons
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
G08B 7/06 - Signalling systems according to more than one of groups Personal calling systems according to more than one of groups using electric transmission
G08B 27/00 - Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
G08B 29/00 - Checking or monitoring of signalling or alarm systemsPrevention or correction of operating errors, e.g. preventing unauthorised operation
G08B 19/00 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
H05B 47/19 - Controlling the light source by remote control via wireless transmission
H05B 47/12 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
H05B 47/125 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
F21Y 113/13 - Combination of light sources of different colours comprising an assembly of point-like light sources
A luminaire includes a housing, a light diffusion panel, a reflective surface, and a plurality of light sources. The light diffusion panel includes a light source aperture, an edge surface bounding the light source aperture, and an emission surface. The emission surface includes first and second emission surface sections. The second emission surface section is disposed on an opposite side of the light source aperture from the first emission surface section. The reflective surface is disposed on a side of the light diffusion panel opposite the emission surface. The light sources project light into the light diffusion panel through the edge surface. The light sources include first and second light sources. The first light source projects light into the light diffusion panel and through the first emission surface section. The second light source projects light into the light diffusion panel and through the second emission surface section.
Multi-function lighting fixtures are provided. In one example implementation, a lighting fixture may include an optical housing extending lengthwise between a first end and a second end. The optical housing may include a plurality of light sources disposed within an interior of the optical housing and a plurality of optical elements disposed along an exterior of the optical housing. The optical housing may also a plurality of sections defined within the interior of the optical housing. Each of the optical sections may be associated with a separate light source of the plurality of light sources and a separate optical element of the plurality of optical elements.
A luminaire includes a housing, a light diffusion panel, a reflective surface, and a plurality of light sources. The light diffusion panel includes a light source aperture, an edge surface bounding the light source aperture, and an emission surface. The emission surface includes first and second emission surface sections. The second emission surface section is disposed on an opposite side of the light source aperture from the first emission surface section. The reflective surface is disposed on a side of the light diffusion panel opposite the emission surface. The light sources project light into the light diffusion panel through the edge surface. The light sources include first and second light sources. The first light source projects light into the light diffusion panel and through the first emission surface section. The second light source projects light into the light diffusion panel and through the second emission surface section.
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
A wall pack light fixture including a front cover having a front surface, a top wall, and two side walls, the top and side walls extending rearward from the front surface and defining a recess with an inner contact surface, a light element in the front cover, a rear enclosure having a forward-facing front edge, and a hinge having a first portion connected to the front cover and a second portion pivotably coupled to the first portion, the second portion connected to the rear enclosure, wherein the front cover is rotatable about the hinge between a closed configuration, in which the forward-facing front edge is within the recess and against the inner contact surface, and an open configuration, wherein the top wall of the front cover is a continuous surface which, in the closed configuration, extends over a top portion of the forward-facing front edge of the rear enclosure.
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
A luminaire includes a first portion, a second portion, and a third portion. The first portion extends along a first axis and supports a first light emitter. The second portion is laterally spaced from the first portion and extends along a second axis that is oriented parallel to the first axis. The second portion supports a second light emitter. The third portion is disposed laterally between the first portion and the second portion and extends along a third axis that is oriented parallel to the first axis. The third portion supports at least one current driver for driving at least one of the first light emitter and the second light emitter.
Systems and methods for controlling a light emitting diode (LED) system associated with an area and having a plurality of LED arrays are provided. In some implementations, the lighting system can include a first LED array associated with visible light and a second LED array associated with UV light. The lighting system can include one or more first sensors configured to detect occupancy within the area and send signals indicating whether the area is occupied. The lighting system can include one or more second sensors configured to detect microbes within an area and send signals indicating whether microbes are present in the area. The lighting system can include a control circuit configured to receive the signals sent by the one or more first and second sensors and to control the first LED array and the second LED array based on the signals.
An emergency lighting device includes a housing, a light emitter positioned in the housing, a control circuit positioned in the housing and operatively connected to the light emitter, an indicator light positioned in the housing, and a fault indicator circuit positioned in the housing and operatively connected to the indicator light. The fault indicator circuit is configured to monitor the light emitter, analyze activation of the light emitter, and activate the indicator light based on the analysis of the activation of the light emitter.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H05B 47/20 - Responsive to malfunctions or to light source lifeCircuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection
H05B 47/29 - Circuits providing for substitution of the light source in case of its failure
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
H02J 9/02 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H05B 47/28 - Circuit arrangements for protecting against abnormal temperature
A brown-out detection apparatus including a voltage sensing circuit, a first circuit, and a second circuit. The voltage sensing circuit senses an input AC voltage having a first nominal input voltage value or a second nominal input voltage value. The voltage sensing circuit includes an output outputting a reference DC voltage proportional said input AC voltage. The first circuit is responsive to said output of said voltage sensing circuit. The first circuit includes a first output outputting a first voltage value when said input AC voltage is below a threshold voltage level and a second voltage value when said input AC voltage is above said threshold level. The second circuit is responsive to said first output. The second circuit includes a second output outputting a second control signal indicative of a brown-out condition of said input AC voltage.
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
F21V 29/507 - Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H03K 5/24 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H05B 45/56 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits involving measures to prevent abnormal temperature of the LEDs
H02J 7/04 - Regulation of the charging current or voltage
A luminaire including a housing, a light emitter supported by the housing, and a cover removably coupled to the housing, where the cover includes a lens substantially covering the light emitter. An end cap is removably coupled to the housing and positioned substantially flush with the lens. A coupling mechanism couples the end cap to the housing, where the end cap substantially covers the coupling mechanism while coupled to the housing.
F21V 15/00 - Protecting lighting devices from damage
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
Reduced glare light fixtures are provided. In one example implementation, a reduced glare light fixture includes a light emitting diode (LED) system. The LED system includes at least one LED module having one or more LED devices. The reduced glare light fixture further includes a bezel physically coupled to the LED system engine. The bezel has one or more glare reduction openings. At least one of the one or more glare reduction openings is configured to be approximately coaxial with one LED of the one or more LED devices.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 3/06 - GlobesBowlsCover glasses characterised by materials, surface treatments or coatings characterised by the material
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
F21W 131/105 - Outdoor lighting of arenas or the like
F21W 131/407 - Lighting for industrial, commercial, recreational or military use for indoor arenas
F21Y 105/12 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
F21Y 113/13 - Combination of light sources of different colours comprising an assembly of point-like light sources
52.
High intensity narrow spectrum light indicator systems
Indicator systems and methods associated with high intensity narrow spectrum light are provided. In one example embodiment, a lighting system can include one or more high intensity narrow spectrum (HINS) light sources configured to emit HINS light. The system can further include an indicator circuit configured to provide at least one indicator associated with one or more parameters of the HINS light and/or operational performance of the HINS light sources.
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits
A frame system for securing a lighting fixture to a surface is provided. The frame system can include a frame defining an opening. The frame can be configured to accommodate a selected insert of a plurality of inserts associated with the lighting fixture and coupleable to the frame. Each of the plurality of inserts can include an aperture defining portion of a different size or shape. The aperture defining portion of the selected insert can extend through the opening defined by the frame.
A luminaire includes a housing with a cavity, a non-planar lens, and a light emitter. The non-planar lens is coupled to the housing. The lens defines a generally circular footprint and a concavo-convex shape. The light emitter is positioned proximate an edge of the cavity and is configured to emit light into an edge of the lens and toward a center of the cavity.
F21V 9/40 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 13/04 - Combinations of only two kinds of elements the elements being reflectors and refractors
F21V 29/71 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.
A luminaire includes a housing with a cavity, a non-planar lens, and a light emitter. The non-planar lens is coupled to the housing. The lens defines a generally circular footprint and a concavo-convex shape. The light emitter is positioned proximate an edge of the cavity and is configured to emit light into an edge of the lens and toward a center of the cavity.
A luminaire including a housing, a light emitter supported by the housing, and a cover removably coupled to the housing, where the cover includes a lens substantially covering the light emitter. An end cap is removably coupled to the housing and positioned substantially flush with the lens. A coupling mechanism couples the end cap to the housing, where the end cap substantially covers the coupling mechanism while coupled to the housing.
F21V 21/00 - Supporting, suspending, or attaching arrangements for lighting devicesHand grips
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
F21V 5/04 - Refractors for light sources of lens shape
F21V 15/015 - Devices for covering joints between adjacent lighting devicesEnd coverings
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
A wall-wash lighting fixture is provided. The wall-wash lighting fixture includes a solid-state light source having a light emitting surface configured to emit light. The light emitting surface is a long dimension of the light emitting surface. The wall-wash lighting fixture further includes a frustoconical structure. The solid-state light source is positioned to emit light into the frustoconical structure. The wall-wash lighting fixture includes a reflector coupled to the frustoconical structure such that light exiting frustoconical structure is reflected at a non-parallel angle relative to a vertical axis associated with the wall-wash lighting fixture. The reflector defines an opening.
A frame system for securing a lighting fixture to a surface is provided. The frame system can include a frame defining an opening. The frame can be configured to accommodate a selected insert of a plurality of inserts associated with the lighting fixture and coupleable to the frame. Each of the plurality of inserts can include an aperture defining portion of a different size or shape. The aperture defining portion of the selected insert can extend through the opening defined by the frame.
A wall -wash lighting fixture is provided. The wall-wash lighting fixture includes a solid- state light source having a light emitting surface configured to emit light. The light emitting surface is a long dimension of the light emitting surface. The wall -wash lighting fixture further includes a frustoconical structure. The solid-state light source is positioned to emit light into the frustoconical structure. The wall -wash lighting fixture includes a reflector coupled to the frustoconical structure such that light exiting frustoconical structure is reflected at a non-parallel angle relative to a vertical axis associated with the wall-wash lighting fixture. The reflector defines an opening.
A lighting fixture is provided. The lighting fixture may include one or more circuit boards having a plurality of LED light sources. The lighting fixture may further include one or more lens assemblies coupleable to the one or more circuit boards. The one or more lens assemblies may include a frame defining a plurality of openings. The one or more lens assemblies may further include a plurality of lenses molded to the frame. The plurality of lenses may be molded to the frame such that each of the plurality of lenses is at least partially positioned within a corresponding opening of the plurality of openings defined by the frame.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
F21S 8/00 - Lighting devices intended for fixed installation
A luminaire includes a housing having a pair of sides and a base extending between the sides. A lens is removably coupled to the housing and includes side portions. A mounting bracket is directly coupled to the base and includes a chamber, and a driver is coupled to the base and positioned within the chamber. A plurality of light emitters is coupled to a surface of the mounting bracket and in communication with the driver. A first portion includes a pocket and a protuberance positioned on one of a side portion of the lens and a side of the housing. A second portion includes a projection and a curved portion positioned on the other of the side portion of the lens and the side of the housing. The protuberance is engageable with the pocket to couple the lens to the housing.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
F21V 15/015 - Devices for covering joints between adjacent lighting devicesEnd coverings
F21V 21/005 - Supporting, suspending, or attaching arrangements for lighting devicesHand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 3/02 - GlobesBowlsCover glasses characterised by the shape
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
F21Y 105/12 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
F21Y 105/14 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
A sensor fixed atop a structure. The sensor including an image-capturing device configured to collect image data, and an electronic processing device. The electronic processing device configured to receive, via the image-capturing device, the image data, determine a wobble state of the image data, perform a first timeout for a first predetermined time period when the wobble state is approximately equal to a wobble state level, and increment the first timeout to a second timeout for a second predetermined time period when the wobble state value is approximately equal to the wobble state level following the first timeout.
G06T 7/269 - Analysis of motion using gradient-based methods
G06T 7/246 - Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
H05B 47/125 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
A light fixture includes a housing configured to he secured to a support surface, a plurality of light emitters supported on the housing, and a pair of panels supported on the housing. The housing includes a first end, a second end, a pair of sides extending between the first end and the second end, and an intermediate portion positioned between the pair of sides and oriented in a direction substantially parallel to a longitudinal axis. The housing includes a light emission opening through which light is directed. The panels are positioned on opposite sides of the intermediate portion from one another. Each of the panels is oriented in an inclined plane relative to the light emission opening. Each of the panels includes an outer edge positioned adjacent one of the sides of the housing, and an inner edge positioned adjacent the intermediate portion.
A method for controlling operation of a lighting system is provided. The method includes operating the lighting system in a first mode during a time period to provide a first light output. The first output can be a blend of HINS light and non-HINS light. The method includes determining a dosage amount of HINS light provided during the time period. Furthermore, the method includes operating the lighting system in a second mode to provide a second lighting output. The second light output can be HINS light or a blend of HINS light and non-HINS light. Furthermore, spectral energy associated with HINS light in the second light output is greater than spectral energy associated with the HINS light in the first light output.
H05B 45/12 - Controlling the intensity of the light using optical feedback
H05B 47/115 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
H05B 45/48 - Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
A61L 2/00 - Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lensesAccessories therefor
A light fixture includes a housing configured to be secured to a support surface, a plurality of light emitters supported on the housing, and a pair of panels supported on the housing. The housing includes a first end, a second end, a pair of sides extending between the first end and the second end, and an intermediate portion positioned between the pair of sides and oriented in a direction substantially parallel to a longitudinal axis. The housing includes a light emission opening through which light is directed. The panels are positioned on opposite sides of the intermediate portion from one another. Each of the panels is oriented in an inclined plane relative to the light emission opening. Each of the panels includes an outer edge positioned adjacent one of the sides of the housing, and an inner edge positioned adjacent the intermediate portion.
Systems and methods for controlling electrical loads in one or more areas. The system includes a room controller having a microprocessor for accessing data and providing commands, memory for storing information operably connected to the microprocessor, a relay for powering a load based on commands from the microprocessor, and a port for connecting a peripheral device. The system also includes a peripheral device connected to the port and configured to send data including a device type and a device instance byte to the controller indicating the type of peripheral device. The device instance byte includes a port number identifying the port and a slot number identifying a time slot within a time domain multiplexing cycle. The system also includes a load connected to the relay.
An emergency lighting unit including a power input. a light source, a battery configured to receive charging current from the power input. wireless communication circuitry configured to receive a wireless communication signal, and a controller connected to the wireless communication circuitry. The controller is configured to control the charging of the battery based on the wireless communication signal.
H05B 45/10 - Controlling the intensity of the light
H05B 47/19 - Controlling the light source by remote control via wireless transmission
H05B 45/385 - Switched mode power supply [SMPS] using flyback topology
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
A wall pack light fixture including a front cover having a recess with a contact surface and at least one electronic component mounted on the contact surface, a rear enclosure having a forward-facing open front with a forward-facing front edge, and a hinge having a first portion connected to the front cover and a second portion pivotably coupled to the first portion, the second portion connected to the rear enclosure on an exterior side surface of the rear enclosure behind the forward-facing front edge, wherein the front cover is rotatable about the hinge between a closed configuration, in which the contact surface is against the forward-facing front edge, and an open configuration.
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
A luminaire having a substantially two-piece housing with a first portion and a second portion, for example a cover and a base. The cover receives one or more control components. The base receives a light emitter assembly and the control component assembly is operatively connected to the lighter emitter assembly to control the light output therefrom. A lens assembly can be connected to the bottom of the base. Different mounting components can be connected to cover to connect the luminaire 10 to a support.
F21S 8/06 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure by suspension
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21V 3/02 - GlobesBowlsCover glasses characterised by the shape
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 17/06 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages onto or by the lamp holder
F21W 131/40 - Lighting for industrial, commercial, recreational or military use
A luminaire includes an elongated first housing, an elongated second housing, and a bracket. The elongated first housing supports a first light emitting device and includes a pair of sides and a first channel defined between the sides. The first housing includes a first aperture. The elongated second housing includes a pair of sides and a second channel defined between the sides. An end of the second housing is positioned adjacent an end of the first housing and includes a second aperture disposed proximate the first aperture. The bracket is disposed between the elongated first housing and the first light emitting element. The bracket includes a first projection engageable with the first aperture and a second projection engageable with the second aperture. The bracket is positioned partially within the first channel and partially within the second channel. The bracket is coupled to the first housing by snap-fit engagement and the bracket is coupled to the second housing by snap-fit engagement.
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting deviceSnap action mounting
F21V 15/015 - Devices for covering joints between adjacent lighting devicesEnd coverings
F21V 19/00 - Fastening of light sources or lamp holders
A light fixture includes a housing, a recessed channel, a light-emitting element, and a lens positioned over the light-emitting element. The housing includes a mounting surface. The recessed channel includes a bottom and a pair of side walls extending along the length of the mounting surface. The light-emitting element is coupled to the bottom of the recessed channel. The lens is positioned over the light-emitting element and removably retained between the pair of side walls.
F21K 9/27 - Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21K 9/66 - Details of globes or covers forming part of the light source
F21K 9/278 - Arrangement or mounting of circuit elements integrated in the light source
F21K 9/275 - Details of bases or housings, i.e. the parts between the light-generating element and the end capsArrangement of components within bases or housings
F21K 9/272 - Details of end parts, i.e. the parts that connect the light source to a fittingArrangement of components within end parts
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting deviceSnap action mounting
F21V 5/02 - Refractors for light sources of prismatic shape
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
F21V 15/015 - Devices for covering joints between adjacent lighting devicesEnd coverings
A method of determining a drive signal provided to a light-emitting diode (LED). The method includes in response to determining that a second light intensity exceeds the expected light intensity, determining, via the controller, an artificial light intensity based on a task-to-sensor ratio, determining, via the controller, a total natural light intensity based on the second light intensity and the artificial light intensity, determining, via the controller, a non-useful natural light intensity based on the total natural light intensity, the first light intensity, and the task-to-sensor ratio, determining, via the controller, the drive signal based on a desired light intensity for the zone, the total natural light intensity, the non-useful natural light intensity, and the artificial light intensity, and controlling, via the controller, the driver to provide the second drive signal to the LED array.
An emergency lighting assembly is provided having a housing with one or more adjustable lamp assemblies for aiming the light at selected areas. The lamp assembly is mounted in the housing by a ball and socket arrangement. The lamp assembly has a substantially spherical shape with a front section made of a heat conducting material and a rear section made of a plastic material. The front section has an opening on a front side having a lens and a base spaced from the front side supporting the light source. The light source in one embodiment is an LED which is coupled to the front section to conduct heat from the LED away from the LED and the housing. The rear section has an opening in the rear side that receives a fixed stop member to limit pivoting movement of the lamp assembly with respect to the housing. The rear section also includes a projection oriented to contact the stop member to limit rotation of the lamp assembly with respect to the housing.
F21V 29/507 - Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H05B 45/56 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits involving measures to prevent abnormal temperature of the LEDs
H02J 7/04 - Regulation of the charging current or voltage
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H03K 5/24 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
A lighting system including a high intensity narrow spectrum light source and a controller having an electronic processor and memory. The controller is configured to compare an operational characteristic of the high intensity narrow spectrum light to a predetermined operational characteristic, and output a signal based on the comparison of the operational characteristic of the high intensity narrow spectrum light to the predetermined operational characteristic.
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits
H02H 3/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
Reduced glare light fixtures are provided. In one example implementation, a reduced glare light fixture includes a light emitting diode (LED) system. The LED system includes at least one LED module having one or more LED devices. The reduced glare light fixture further includes a bezel physically coupled to the LED system engine. The bezel has one or more glare reduction tubes. At least one of the one or more glare reduction tubes is configured to be approximately coaxial with one LED of the one or more LED devices.
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
F21V 3/06 - GlobesBowlsCover glasses characterised by materials, surface treatments or coatings characterised by the material
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21W 131/407 - Lighting for industrial, commercial, recreational or military use for indoor arenas
F21Y 113/13 - Combination of light sources of different colours comprising an assembly of point-like light sources
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21W 131/105 - Outdoor lighting of arenas or the like
F21Y 105/12 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
An emergency lighting unit includes a housing. The housing includes a base having a first portion and a second portion. A lamp assembly is rotatably connected to the housing and positioned in the lower portion. A cover is provided over the lamp assembly.
F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
F21S 8/00 - Lighting devices intended for fixed installation
F21V 14/02 - Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
F21W 131/107 - Outdoor lighting of the exterior of buildings
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
A sensor fixed atop a structure, The sensor including an image-capturing device configured to collect image data and an electronic processing device. The electronic processing device is configured to receive, via the image-capturing device, the image data, determine a wobble state value of the image data, filter the image data when the wobble state value is approximately equal to a first wobble state threshold, perform a first timeout for a first predetermined time period when the wobble state value is approximately equal to a second wobble state threshold, and increment the first timeout to a second timeout for a second predetermined time period when the wobble state value is approximately equal to the second wobble state threshold following the first timeout.
System and method provide wireless distributed lighting control systems implementing a secure peer-to-peer, self-organizing and self-healing mesh network of actuators and system inputs. The system and method can be designed specifically for indoor and outdoor lighting where actuators include in-fixture, on-fixture and circuit control modules with ON/OFF and full range dimming capabilities, and system inputs include occupancy/vacancy sensors, daylight sensors and switches. A unique messaging protocol facilitates wireless and wired communication between actuators and system inputs, and provides web-based commissioning and monitoring of the lighting control system using a wireless access point accessible from a local network or Internet which can provide an intuitive and easy to use Graphical User Interface (GUI).
Lighting systems and methods implementing toggle control are provided. In one example implementation, a lighting system includes a first LED array having one or more LED devices and a second LED array having one or more LED devices. The system further includes a single throw circuit interrupter configured to receive power from a power source. The system further includes a power conversion circuit configured to convert an input power received via the toggle switch to a power output for the first LED array and the second LED array. The power conversion circuit is configured to control a power distribution ratio between the first LED array and the second LED array based at least in part on a detected toggle input (e.g., a toggle pattern) implemented using the single throw circuit interrupter.
H05B 45/44 - Details of LED load circuits with an active control inside an LED matrix
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits
A system for mounting pendant lighting fixtures includes an interface component adapted to be at least partially retained in an opening defined by a ceiling. The interface component defines at least one aperture to accommodate a hanging support extending through the opening and configured to support a pendant lighting fixture. The system includes a cover plate defining at least one aperture to accommodate the hanging support. The system also includes at least one magnetic element operable to exert a magnetic bias on the cover plate to secure the cover plate against the interface component and at least partially cover the opening.
A luminaire includes a housing having an outer wall and a mounting wall configured to be secured to a structure. The housing further includes a compartment defined at least partially between the outer wall and the mounting wall. The compartment is configured to support a plurality of control devices. A support is coupled to the housing and supports a light emitter assembly. The support includes a plurality of fins in thermal communication with the light emitter assembly. A wall is positioned between the compartment and the plurality of fins.
A light fixture includes a housing having a first side and a second side opposite the first side. The light fixture further includes a first light board coupled to the first side. The first light board has at least one light emitting element emitting a first light output in a first direction. The light fixture further includes a second light board coupled to the second side. The second light board has at least one light emitting element emitting a second light output in a second direction. The light fixture further includes a first driver supported by the housing and in electrical communication with the first light board. The first driver is operable to control the first light output. The light fixture further includes a second driver supported by the housing and in electrical communication with the second light board. The second driver is operable to control the second light output.
