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2023
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Invention
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Optical switch devices.
An optical device includes an array of lenses and a plurality of first a... |
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Invention
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Optical structures providing dichroic effects.
A document, product, or package, such as a bankno... |
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Invention
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Optical switch devices.
A security device includes an array of lenses and a plurality of first a... |
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Invention
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Optical products, masters for fabricating optical products, and methods for manufacturing masters... |
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2022
|
Invention
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Optical switch devices.
An optical device includes an array of lenses and a plurality of segment... |
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2021
|
Invention
|
Optical switch devices. An optical device includes an array of lenses and a plurality of first an... |
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Invention
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Optical structures providing dichroic effects. A document, product, or package, such as a banknot... |
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|
Invention
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Optical switch devices. An optical device includes an array of lenses and a plurality of segments... |
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2020
|
Invention
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Optical switch devices. A security device includes an array of lenses and a plurality of first an... |
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Invention
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Animated optical security feature. An optical device includes an array of lenses and a plurality ... |
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2017
|
Invention
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Ultra thin fresnel lenses and other optical elements. Ultra thin Fresnel lenses and methods of fo... |
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2014
|
Invention
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Systems and methods to impart visual quality to illumination systems. Implementations disclosed h... |
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2010
|
Invention
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Polarization preserving projection screen with engineered particle and method for making same. Po... |
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Invention
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Polarization preserving projection screen with engineered pigment and method for making same. Pol... |
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2006
|
Invention
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Polymer sheet having surface relief features. Certain embodiments include a method of manufacturi... |
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Invention
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Elliptical diffusers used in displays. A backlit light display comprises a light guide panel (3),... |
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Invention
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Elliptical diffusers used in displays. A backlit light display comprises a light guide panel, a p... |
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Invention
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Diffractive optical element and method of manufacture. A diffractive optical element such as a di... |
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2005
|
Invention
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Polymer sheet having surface relief features.
Certain embodiments include a method of manufactur... |
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G/S
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Light diffusers Plastic, thermoplastic, and polymeric light-management films and sheeting used to... |
