Illumination – Plural light sources – With support
Reexamination Certificate
2006-11-09
2010-02-16
Sawhney, Hargobind S (Department: 2885)
Illumination
Plural light sources
With support
C362S231000, C362S244000, C257S088000, C257S089000, C257S100000
Reexamination Certificate
active
07661844
ABSTRACT:
An illuminating device capable of being produced at low costs and irradiating rays of light uniformly to a liquid crystal panel. The illuminating device has a plurality of LED packages each having LED's and a lens, the LED packages being congregated on a plane in a large area. Each of the LED packages includes at least four LED's corresponding to LED's for emitting at least red, green and blue, and at least two of the LED's in each LED package are positioned symmetrically to the center of the lens and emit the same color.
REFERENCES:
patent: 6236382 (2001-05-01), Kawakami et al.
patent: 6857767 (2005-02-01), Matsui et al.
patent: 6909234 (2005-06-01), Chen
patent: 7126159 (2006-10-01), Itai et al.
patent: 2005/0243577 (2005-11-01), Moon
patent: 2006/0091416 (2006-05-01), Yan
patent: 2006/0092634 (2006-05-01), Hiyama et al.
patent: 2006/0220046 (2006-10-01), Yu et al.
patent: 2006/0261365 (2006-11-01), Hsu
patent: 2007/0030674 (2007-02-01), Kim et al.
patent: 1693969 (2005-11-01), None
patent: 09-16105 (1997-01-01), None
patent: 2003-008068 (2003-01-01), None
patent: 2003-008081 (2003-01-01), None
“High Brightness Direct LED Backlight for LCD-TV” by R. West, SIDO3 Digest, pp. 1262-1265.
“Adaptive Dimming Technique with Optically Isolated Lamp Groups” by T. Shiga, SIDO5 Digest, pp. 992-995.
Hiyama Ikuo
Kaneko Hiroki
Sekiguchi Yoshifumi
Tanaka Toshiaki
Yamamoto Tsunenori
Antonelli, Terry Stout & Kraus, LLP.
Hitachi Displays Ltd.
Sawhney Hargobind S
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