Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2006-06-27
2006-06-27
Schechter, Andrew (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S161000
Reexamination Certificate
active
07068332
ABSTRACT:
A direct-type backlight unit for flat panel liquid crystal display is provided. The direct-type backlight unit includes a plurality of lamps installed within a housing. A reflection plate is installed under the plurality of lamps in the housing. A diffusion film with a plurality of apertures thereon is installed above the plurality of lamps for diffusing light generated by the plurality of lamps. An optic focusing film is located on the diffusion film. The flat panel liquid crystal display is located above the optic focusing film.
REFERENCES:
patent: 5983543 (1999-11-01), Hillstrom
patent: 6447121 (2002-09-01), Woo
patent: 6515785 (2003-02-01), Cobb et al.
patent: 2002/0154474 (2002-10-01), Merz et al.
patent: 2003/0086255 (2003-05-01), Moon et al.
Hsieh Chin-Kun
Liu Han-Chou
Yu Chuan-Pei
AU Optronics Corp.
Hsu Winston
Kim Richard H
Schechter Andrew
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