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US 2006/0065900 A1Published application
Liquid crystal display
AssigneeEpistar Corporation
InventorsMin-Hsun Hsieh, Chien-Yuan Wang
Life of this patent
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Abstract
A liquid crystal display having a backlight module, liquid crystal layer and a color filter layer is disclosed in the invention. An ultraviolet unit for emitting ultraviolet is disposed in the backlight module. The color filter layer is composed of a purity of pixels, and at least one of the purity of pixels is filled with a wavelength-converting material. The wavelength-converting material can convert ultraviolet into green light.
Claims32
A liquid crystal display comprising:
- a backlight module comprising an ultraviolet unit;
- a liquid crystal layer for controlling light flux emitted from the backlight module;
- and
- a color filter layer comprising a plurality of pixels and a wavelength-converting material formed on one of the pixels, wherein the wavelength-converting material emits green light after being irradiated by the ultraviolet unit.
1 more element
A light-emitting device, comprising:
- a light-spreading device having a wing-shaped protrusion part, a light-entering surface and a recess located away from the light-entering surface;
- and
- an optoelectronic device comprising an ultraviolet emitter and a wavelength-converting material emitting green light towards the light-entering surface after being irradiated by the ultraviolet emitter.
Dependencies are inferred from the claim text.