An LED lighting array system includes discrete lighting modules spatially arrayed along a support member to provide illumination of items within a display case. The modules have a low overall height that results in them being mounted in a low-profile configuration at various locations along the support member. The modules include a housing with opposed first and second sets of side apertures, a plurality of internal reflecting surfaces associated with the apertures, respectively, an external lens, a multi-sided light engine and a group of side-emitting LEDs. During operation, a first portion of light generated by the side-emitting LEDs is discharged through apertures and the lens into the cooler to illuminate contents therein, while a second portion of light generated by the side-emitting LEDs is redirected by the reflecting surface through said apertures and the lens into the cooler.
An LED lighting array system includes discrete lighting modules spatially arrayed along a support member to provide illumination of items within a display case. The modules have a low overall height that results in them being mounted in a low-profile configuration at various locations along the support member. The modules include a housing with opposed first and second sets of side apertures, a plurality of internal reflecting surfaces associated with the apertures, respectively, an external lens, a multi-sided light engine and a group of side-emitting LEDs. During operation, a first portion of light generated by the side-emitting LEDs is discharged through apertures and the lens into the cooler to illuminate contents therein, while a second portion of light generated by the side-emitting LEDs is redirected by the reflecting surface through said apertures and the lens into the cooler.
An LED lighting array system includes discrete lighting modules spatially arrayed along a support member to provide illumination of items within a display case. The modules have a low overall height that results in them being mounted in a low-profile configuration at various locations along the support member. The modules include a housing with opposed first and second sets of side apertures, a plurality of internal reflecting surfaces associated with the apertures, respectively, an external lens, a multi-sided light engine and a group of side-emitting LEDs. During operation, a first portion of light generated by the side-emitting LEDs is discharged through apertures and the lens into the cooler to illuminate contents therein, while a second portion of light generated by the side-emitting LEDs is redirected by the reflecting surface through said apertures and the lens into the cooler.
An LED lighting array system includes discrete lighting modules spatially arrayed along a support member to provide illumination of items within a display case. The modules have a low overall height that results in them being mounted in a low-profile configuration at various locations along the support member. The modules include a housing with opposed first and second sets of side apertures, a plurality of internal reflecting surfaces associated with the apertures, respectively, an external lens, a multi-sided light engine and a group of side-emitting LEDs. During operation, a first portion of light generated by the side-emitting LEDs is discharged through apertures and the lens into the cooler to illuminate contents therein, while a second portion of light generated by the side-emitting LEDs is redirected by the reflecting surface through said apertures and the lens into the cooler.
An LED light fixture is provided and includes a housing having a main body portion with a rear wall. A plurality of fins integrally extends from an outer surface of the rear wall of the main body portion. A spindle with an internal bore integrally extends from the outer surface of the rear wall of the main body portion wherein the spindle is positioned among the fins. A light engine assembly is positioned within the main body portion and includes a plurality of LED light modules mounted to a printed circuit board. Each module comprises a LED and a lens extending from the printed circuit board, wherein the printed circuit board resides against an inner surface of the rear wall. A separate enclosure configured to enclose power management components is connected to a rear portion of the housing proximate the fins. The enclosure includes a housing wall arrangement and leads that extend through both an opening in the housing wall and the internal bore of the spindle, past the rear wall of the main body portion and to the printed circuit board.
F21V 29/00 - Protecting lighting devices from thermal damageCooling or heating arrangements specially adapted for lighting devices or systems
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
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 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
F21K 9/69 - Details of refractors forming part of the light source
F21V 23/02 - Arrangement of electric circuit elements in or on lighting devices the elements being transformers or impedances
An LED light fixture is provided and includes a housing with a circular main body portion with a rear wall. A plurality of fins integrally extends from an outer surface of the rear wall of the main body portion. A spindle with an internal bore integrally extends from the outer surface of the rear wall of the main body portion wherein the spindle is positioned among the fins. A light engine assembly is positioned within the main body portion and includes a plurality of LED light modules mounted to a printed circuit board. Each module comprises a LED and a lens extending from the printed circuit board, wherein the printed circuit board resides against an inner surface of the rear wall. An separate enclosure configured to enclose power management components is connected to a rear portion of the housing proximate the fins. The enclosure includes a housing wall arrangement and leads that extend through both an opening in the housing wall and the internal bore of the spindle, past the rear wall of the main body portion and to the printed circuit board.
F21V 29/00 - Protecting lighting devices from thermal damageCooling or heating arrangements specially adapted for lighting devices or systems
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21K 9/69 - Details of refractors forming part of the light source
F21K 9/20 - Light sources comprising attachment means
F21V 23/02 - Arrangement of electric circuit elements in or on lighting devices the elements being transformers or impedances
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 19/00 - Fastening of light sources or lamp holders
F21W 131/402 - Lighting for industrial, commercial, recreational or military use for working places
An LED lighting array system includes discrete lighting modules spatially arrayed along a support member to provide illumination of items within a display case. The modules have a low overall height that results in them being mounted in a low-profile configuration at various locations along the support member. The modules include a housing with opposed first and second sets of side apertures, a plurality of internal reflecting surfaces associated with the apertures, respectively, an external lens, a multi-sided light engine and a group of side-emitting LEDs. During operation, a first portion of light generated by the side-emitting LEDs is discharged through apertures and the lens into the cooler to illuminate contents therein, while a second portion of light generated by the side-emitting LEDs is redirected by the reflecting surface through said apertures and the lens into the cooler.
An LED light fixture assembly includes an elongated first support member, an elongated second support member spaced from and substantially parallel to the first support member, and a plurality of elongated LED lighting fixtures coupled to and extending between the first support member and the second support member. Each LED lighting fixture includes an elongated structural frame member having a substantially channel shaped support portion, and a mounting portion opposite the support portion. Each LED lighting fixture also includes a plurality of LED light modules secured to and positioned along the mounting portion, and a cover extending along and supported by the mounting portion. The cover is positioned so light emitted from the plurality of LED light modules passes through the cover and away from the mounting portion.
F21V 19/00 - Fastening of light sources or lamp holders
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
F21W 131/405 - Lighting for industrial, commercial, recreational or military use for shop-windows or displays
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21W 131/305 - Lighting for domestic or personal use for refrigerators
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
F25D 21/04 - Preventing the formation of frost or condensate
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
An LED light fixture is provided and includes a housing with a circular main body portion with a rear wall. A plurality of fins integrally extends from an outer surface of the rear wall of the main body portion. A spindle with an internal bore integrally extends from the outer surface of the rear wall of the main body portion wherein the spindle is positioned among the fins. A light engine assembly is positioned within the main body portion and includes a plurality of LED light modules mounted to a printed circuit board. Each module comprises a LED and a lens extending from the printed circuit board, wherein the printed circuit board resides against an inner surface of the rear wall. An external enclosure configured to enclose power management components is connected to a rear portion of the housing proximate the fins. The enclosure includes a housing wall arrangement and leads that extend through both an opening in the housing wall and the internal bore of the spindle, past the rear wall of the main body portion and to the printed circuit board.
F21V 29/75 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
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
F21K 99/00 - Subject matter not provided for in other groups of this subclass
F21V 19/00 - Fastening of light sources or lamp holders
An LED light fixture assembly includes an elongated first support member, an elongated second support member spaced from and substantially parallel to the first support member, and a plurality of elongated LED lighting fixtures coupled to and extending between the first support member and the second support member. Each LED lighting fixture includes an elongated structural frame member having a substantially channel shaped support portion, and a mounting portion opposite the support portion. Each LED lighting fixture also includes a plurality of LED light modules secured to and positioned along the mounting portion, and a cover extending along and supported by the mounting portion. The cover is positioned so light emitted from the plurality of LED light modules passes through the cover and away from the mounting portion.
An LED light fixture is provided and includes a housing with a circular main body portion with a rear wall. A plurality of fins integrally extends from an outer surface of the rear wall of the main body portion. A spindle with an internal bore integrally extends from the outer surface of the rear wall of the main body portion wherein the spindle is positioned among the fins. A light engine assembly is positioned within the main body portion and includes a plurality of LED light modules mounted to a printed circuit board. Each module comprises a LED and a lens extending from the printed circuit board, wherein the printed circuit board resides against an inner surface of the rear wall. An external enclosure configured to enclose power management components is connected to a rear portion of the housing proximate the fins. The enclosure includes a housing wall arrangement and leads that extend through both an opening in the housing wall and the internal bore of the spindle, past the rear wall of the main body portion and to the printed circuit board.
F21V 29/75 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
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
F21K 99/00 - Subject matter not provided for in other groups of this subclass
An LED light fixture assembly includes an elongated first support member, an elongated second support member spaced from and substantially parallel to the first support member, and a plurality of elongated LED lighting fixtures coupled to and extending between the first support member and the second support member. Each LED lighting fixture includes an elongated structural frame member having a substantially channel shaped support portion, and a mounting portion opposite the support portion. Each LED lighting fixture also includes a plurality of LED light modules secured to and positioned along the mounting portion, and a cover extending along and supported by the mounting portion. The cover is positioned so light emitted from the plurality of LED light modules passes through the cover and away from the mounting portion.
The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture includes an elongated housing having a pair of side walls with at least one fin to dissipate heat. Each side wall has a support member extending upward at angle from the side wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first group of LEDs and a second group of LEDs are mounted to the first support member and the second support member, respectively. First and second interconnection board assemblies are affixed to respective support members beneath the group of LEDs. When the first and second interconnection board assemblies are energized by an internal power source, current travels from each interconnection assembly through fasteners to each group of LEDs for illumination.
An LED light fixture is provided and includes a light engine assembly having a plurality of LED light modules mounted to a printed circuit board. The light engine assembly has a substantially circular periphery. A substantially cylindrical main body portion surrounds the light engine assembly and is sized to define a substantially annular gap between an inner surface of the main body portion and the periphery of the light engine. A plurality of radially extending and circumferentially arrayed fins are positioned rearward of the light engine assembly, and a thermal pad is coupled to and positioned between a rear surface of the light engine assembly and the plurality of fins for transferring heat away from the light engine assembly. The annular gap at least partially defines an air flow path in communication with spaces between the fins. An LED track lighting fixture including the LED light fixture also is provided.
The invention relates to a refrigerated display case with an illuminated support member or “mullion” that efficiently transfers heat generated by at least one light emitting diode (LED) to warm and maintain door seals. The invention further relates to a low-profile, elongated LED light fixture that is retrofitted to the display case mullion to provide efficient illumination. The LED light fixture includes an elongated frame having a central hub extending longitudinally along the frame. A pair of opposed arms extending upwardly at an angle from the central hub, wherein the terminus of each arm has a curvilinear configuration that defines a receiver. At least one leg extends rearward from the central hub. Two legs are spaced a distance apart to define an elongated central cavity that that receives a fastener for securement of the fixture to the vertical support within the display case. A printed circuit board resides within a channel of the central hub and a plurality of LEDs are electrically and mechanically connected to the circuit board. A substantially planar lens cover resides within the receiver for securement to the frame.
An LED lighting element is configured to receive electrical power from a fluorescent lighting fixture ballast. The LED lighting element includes a base and a light engine coupled to the base. The light engine includes at least one LED. An end cap is coupled to the base and defines an enclosed chamber. A converter module is housed within the enclosed chamber and is electrically coupled to the light engine. The converter module is configured to convert AC power from the fluorescent lighting fixture ballast to DC power for powering the at least one LED.
The present invention is directed to a fluorescent light fixture assembly including a ballast and a novel lighting element that includes an array of LEDs and at least one converter module that enables the existing ballast providing an AC power input to supply DC power to the LED array. The lighting element includes a body that contains the LED array and the converter modules and shares the configuration of the lighting element that is to be retrofitted. The lighting element receives power from the pre-existing ballast, wherein the converter module provides a constant current source to power the LED array. Thus, the lighting element, including the converter module, replaces the conventional fluorescent light tube in a cost-effective retrofit manner with the existing ballast.
The present invention is directed to a fluorescent light fixture assembly including a ballast and a novel lighting element that includes an array of LEDs and at least one converter module that enables the existing ballast providing an AC power input to supply DC power to the LED array. The lighting element includes a body that contains the LED array and the converter modules and shares the configuration of the lighting element that is to be retrofitted. The lighting element receives power from the pre-existing ballast, wherein the converter module provides a constant current source to power the LED array. Thus, the lighting element, including the converter module, replaces the conventional fluorescent light tube in a cost-effective retrofit manner with the existing ballast.
The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture provides an extremely broad light emitting angle and includes an elongated housing having a pair of side walls. Each side wall has a support member extending upward at angle from the side wall, wherein the side walls terminate at a central wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first group of LEDs and a second group of LEDs are mounted to the first support member and the second support member, respectively. PCB boards assemblies are affixed to respective support members beneath the group of LEDs by tension clips. When the PCBs are energized by a power source, current travels from the PCBs to each LED for illumination.
The invention relates to a refrigerated display case with an illuminated support member or "mullion" that efficiently transfers heat generated by at least one light emitting diode (LED) to warm and maintain door seals. The invention further relates to a low-profile, elongated LED light fixture that is retrofitted to the display case mullion to provide efficient illumination. The LED light fixture includes an elongated frame having a central hub extending longitudinally along the frame. A pair of opposed arms extending upwardly at an angle from the central hub, wherein the terminus of each arm has a curvilinear configuration that defines a receiver. At least one leg extends rearward from the central hub. Two legs are spaced a distance apart to define an elongated central cavity that receives a fastener for securement of the fixture to the vertical support within the display case. A printed circuit board resides within a channel of the central hub and a plurality of LEDs are electrically and mechanically connected to the circuit board. A substantially planar lens cover resides within the receiver for securement to the frame.
F21V 29/00 - Protecting lighting devices from thermal damageCooling or heating arrangements specially adapted for lighting devices or systems
F21V 19/00 - Fastening of light sources or lamp holders
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
The invention provides a multi-use light fixture that includes a light engine, a rugged housing, and an external power supply removeably embedded within an optional external enclosure. The light fixture includes several novel heat management features designed to reduce the risk of failure and thereby increase the reliability of the light fixture. The light engine includes groups of light modules, each having a light emitting diode (LED) and a zener diode. The housing includes an internal gap defined between the a circuit board and the housing. The housing also includes an arrangement of external fins and vents that dissipate heat generated by the light engine. The lens cover includes a plurality of inlets to supply ambient air into the fixture. During operation, heat is generated by the light modules, namely the LEDs, and then is transferred along a first flow path through a main body portion of the housing and the fins for dissipation to ambient and a second air flow path whereby ambient air flows through the light engine to increase the performance and efficiency of the light engine.
The invention provides a light fixture that includes a light engine, a rugged housing, and an internal power module that is thermally isolated. The light fixture includes several novel heat management features designed to thermally isolate the power supply in order to reduce the risk of failure and thereby increase the reliability of the light fixture. The light engine includes groups of light modules, each having a light emitting diode (LED) and a zener diode. The power module resides within a rear receptacle of the housing and includes a power supply, a box, and a cover that enclose the power supply. The housing also includes an arrangement of external fins that dissipate heat generated by the light engine. During operation, heat is generated by the light modules, namely the LEDs, and then is transferred along a flow path through a main body portion of the housing and the fins for dissipation to ambient without negatively impacting the power supply.
The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture provides an extremely broad light emitting angle and includes an elongated housing having a pair of side walls with at least one fin to dissipate heat. Each side wall has a support member extending upward at angle from the side wall, wherein the side walls terminate at a central wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first elongated fastener and a second elongated fastener are utilized to mount a first group of LEDs and a second group of LEDs to the first support member and the second support member, respectively. First and second interconnection board assemblies are affixed to respective support members beneath the group of LEDs by the first and second fasteners. When the first and second interconnection board assemblies are energized by an internal power source, current travels from each interconnection assembly through the fasteners to each group of LEDs for illumination.
Illumination strips powered by electricity, namely, electric lighting fixtures comprised of printed circuit boards, light emitting diodes, resistors, capacitors, rectifying and zener diodes, and electrical connectors for use in lighting displays and signs
ILLUMINATION STRIPS AND PANELS, POWERED BY ELECTRICITY, COMPRISED OF PRINTED CIRCUIT BOARDS, LIGHT EMITTING DIODES, RESISTORS, CAPACITORS, RECTIFYING AND ZENER DIODES, AND ELECTRICAL CONTACTS, FOR USE IN LIGHTING DISPLAYS AND SIGNS
