Diffusion optical guide plate, and backlight source and liquid crystal display apparatus using the same
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United States of America Patent
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Sep 21, 1999
Grant Date -
N/A
app pub date -
Sep 12, 1997
filing date -
Sep 20, 1996
priority date (Note) -
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Abstract
The diffusion optical guide plate of this invention includes a transparent plate having the first plane, the second plane and side faces; and a light scattering controlling means for scattering incident light from said side face so as to allow the light to go out through the second plane, and transmitting incident light from said first plane so as to allow the light to go out through said second plane.
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