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US 10,317,785 B2Granted
Optical film
AssigneeUnique Materials Co., Ltd.
InventorsPi-Tai Chou, Shang-Wei Chou
Life of this patent
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Abstract
The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.
Claims4
An optical film comprising:
- a first component comprising a plurality of quantum dots;
- and a silica material encapsulating surfaces of the quantum dots, wherein the quantum dots are dispersed uniformly in the silica material;
- a second component comprising a UV curable composite material, wherein the first component is dispersed in the second component;
- and
- a third component comprising two PET (polyethylene terephthalate) substrate sheets, wherein the first component and the second component are disposed between the two PET substrate sheets.
2 more elements
Dependencies are inferred from the claim text.