INTEGRATED OPTICAL SHEET AND OPTICAL DEVICE HAVING THE SAME
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United States of America Patent
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Issued Date -
Jan 6, 2011
app pub date -
Nov 25, 2009
filing date -
Jul 1, 2009
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Abandoned
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Abstract
Provided are an integrated optical sheet and an optical device having the same, and more particularly, an integrated optical sheet and an optical device having the same, in which a diffuser film and a prism film are integrated in a thin structure. The optical sheet includes a light collector including a plurality of prism elements extending in a first direction, and an anisotropic diffuser including a plurality of optical elements extending from a surface of the light collector opposite to the surface having the prism elements in a second direction different from the first direction. One part including downward prism elements and scattering elements is formed at one surface and the other part including diffusion elements is formed at the other surface to integrate a conventional diffusion film to a horizontal prism film, providing a thin optical sheet.
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