Light guide plate with embossments and backlight system...

Details Light guide plate with embossments and backlight system... Light guide plate with embossments and backlight system...

2006-07-25

2006-07-25

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S064000, C349S065000, C362S606000, C362S607000, C362S619000, C362S625000

Reexamination Certificate

active

07081933

ABSTRACT:
The present invention provides a light guide plate (500) including a transparent plate (220) having an emitting surface (524) with a plurality of hemispherical embossments (540) formed thereon continuously side-by-side in rows and columns. The transparent plate also has a bottom surface (226) opposite to the emitting surface, with a plurality of hemispherical embossments (260) formed on the bottom surface. The embossments of the emitting and bottom surfaces all face in a direction away from the transparent plate. Other embodiments are also provided.

REFERENCES:
patent: 5317430 (1994-05-01), Uratani
patent: 5600462 (1997-02-01), Suzuki et al.
patent: 5926033 (1999-07-01), Saigo et al.
patent: 6474827 (2002-11-01), Shinohara et al.
patent: 6767105 (2004-07-01), Nakahashi et al.
patent: 2002/0036729 (2002-03-01), Ohkawa
patent: 2002/0181224 (2002-12-01), Tahara et al.
patent: 2004/0114347 (2004-06-01), Leu et al.
patent: 486101 (2002-05-01), None

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