Optical sensor for detecting peripheral light and liquid...

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only

Reexamination Certificate

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Details

C250S200000, C250S2140AL, C345S076000

Reexamination Certificate

active

07936427

ABSTRACT:
An optical sensor for detecting peripheral light including: at least two first transistors coupled in parallel between an output line and base power supply for detecting an intensity of peripheral light; and at least two second transistors positioned at a side of the first transistors and between the first transistors and a voltage source.

REFERENCES:
patent: 2005/0258341 (2005-11-01), Nishikawa et al.
patent: 2008/0149811 (2008-06-01), Kim
patent: 2008/0170047 (2008-07-01), Sato
patent: 1 617 192 (2006-01-01), None
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patent: 10-2007-0060469 (2007-06-01), None
European Search Report dated Dec. 2, 2008 for corresponding European application No. 08164118.5 indicating relevance of listed references in this IDS.
Patent Abstracts of Japan, Publication No. 2005-208582; Date of Publication: Aug. 4, 2005; in the name of Ryuji Nishikawa et al.
Patent Abstracts of Japan, Publication No. 2006-013407; Date of Publication: Jan. 12, 2006; in the name of Ryuji Nishikawa et al.
Patent Abstracts of Japan, Publication No. 2006-253236; Date of Publication: Sep. 21, 2006; in the name of Takashi Ogawa et al.
Korean Patent Abstracts, Publication No. 1020040044588 A; Date of Publication: May 31, 2004; in the name of Hyeong Jun Kim et al.
Korean Office action dated May 22, 2009, for priority Korean application 10-2007-0093630, noting listed references in this IDS, as well as KR 10-2003-0075317 and KR 10-2007-0060469, both previously filed in an IDS dated Nov. 1, 2008.
Japanese Office action dated Oct. 26, 2010, for corresponding Japanese Patent Application 2007-316742, noting listed references in this IDS, as well as JP 2002-023658, previously filed in an IDS dated Aug. 19, 2009, 2 pages.

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