Optical sheet and liquid crystal display including the same
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United States of America Patent
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Nov 13, 2012
Grant Date -
Dec 3, 2009
app pub date -
Nov 26, 2008
filing date -
May 27, 2008
priority date (Note) -
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Abstract
An optical sheet and a liquid crystal display including the same are disclosed. The optical sheet includes a reflective polarizing film, a first adhesive layer on one surface of the reflective polarizing film, and a first diffusion layer on the first adhesive layer. The first adhesive layer has first and second thicknesses. The first diffusion layer includes a first light transmitting material and a plurality of first diffusion particles. At least one of the first diffusion particles has a portion protruding above a surface of the first light transmitting material, and a height of the portion, h1, substantially satisfies the following equation: 0.1D1≦h1≦0.7D1, where D1 is a diameter of the at least one of the first diffusion particles. The first thickness, T1, and the second thickness, T2, substantially satisfy the following equation: 10 nm≦|T1−T2|≦2 μm.
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