Light guide grooves in direct type backlight module
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United States of America Patent
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Issued Date -
Jan 4, 2007
app pub date -
Jul 1, 2005
filing date -
Jul 1, 2005
priority date (Note) -
Abandoned
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Abstract
A light guide construction adapted in direct type backlight module comprised in sequence from inside to outside a reflector hood, multiple light sources, a diffuser, multiple optical films, and a liquid crystal panel; multiple light guide grooves being disposed on a light inlet surface and a light outlet surface of the diffuser for the light passing through the light guide to be diffused at least twice by those grooves for more effective light distribution.
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