LIQUID CRYSTAL DISPLAY DEVICE
First Claim
Patent Images
1. A liquid crystal display device comprising:
- a liquid crystal display panel;
a light source for providing light beams to irradiate the liquid crystal display panel; and
an optical sheet positioned between the liquid crystal display panel and the light source and having a first surface facing the light source, the first surface having a plurality of prisms for totally reflecting portions of ambient light beams that have passed through the liquid crystal display panel to irradiate the liquid crystal display panel.
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Abstract
A liquid crystal display device includes a liquid crystal display panel, a light source for providing light beams to irradiate the liquid crystal display panel, and an optical sheet positioned between the liquid crystal display panel and the light source and having a first surface facing the light source. Additionally, the first surface has a plurality of prisms for totally reflecting portions of ambient light beams that have passed through the liquid crystal display panel to irradiate the liquid crystal display panel.
19 Citations
23 Claims
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1. A liquid crystal display device comprising:
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a liquid crystal display panel;
a light source for providing light beams to irradiate the liquid crystal display panel; and
an optical sheet positioned between the liquid crystal display panel and the light source and having a first surface facing the light source, the first surface having a plurality of prisms for totally reflecting portions of ambient light beams that have passed through the liquid crystal display panel to irradiate the liquid crystal display panel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A liquid crystal display device comprising:
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a liquid crystal display panel; and
an optical sheet having a first surface facing the liquid crystal display panel and a second surface opposed to the first surface, the second surface being a rough surface for totally reflecting portions of ambient light beams that have passed through the liquid crystal display panel to irradiate the liquid crystal display panel. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification