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Publication numberWO2003034131 A1
Publication typeApplication
Application numberPCT/JP2001/009062
Publication date24 Apr 2003
Filing date16 Oct 2001
Priority date16 Oct 2001
Also published asCA2463697A1, CA2463697C, EP1445643A1, EP1445643A4, EP1445643B1, US7068333, US20040246434, US20060181673
Publication numberPCT/2001/9062, PCT/JP/1/009062, PCT/JP/1/09062, PCT/JP/2001/009062, PCT/JP/2001/09062, PCT/JP1/009062, PCT/JP1/09062, PCT/JP1009062, PCT/JP109062, PCT/JP2001/009062, PCT/JP2001/09062, PCT/JP2001009062, PCT/JP200109062, WO 03034131 A1, WO 03034131A1, WO 2003/034131 A1, WO 2003034131 A1, WO 2003034131A1, WO-A1-03034131, WO-A1-2003034131, WO03034131 A1, WO03034131A1, WO2003/034131A1, WO2003034131 A1, WO2003034131A1
InventorsMitsuo Ohashi, Katsue Ueda
ApplicantSpectratech Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: Patentscope, Espacenet
Liquid crystal display and its correcting method
WO 2003034131 A1
Abstract
The intensity of light of a backlight of a liquid crystal device is monitored by a first photodetector, and the environment of the user’s side is monitored by a second photodetector disposed on the back of the device not on the front. From the user’s side, the influence of the extraneous light on the first photodetector is solved.
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
JPH0218520A * Title not available
JPH0736132U * Title not available
JPH0764057A * Title not available
JPH0854859A * Title not available
JPH05289056A * Title not available
JPH11282404A * Title not available
Non-Patent Citations
Reference
1 *See also references of EP1445643A4
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
EP1605342A3 *10 Jun 200520 Jan 2010Samsung Electronics Co, LtdDisplay device and driving method thereof
US779611319 May 200414 Sep 2010Eizo GmbhArrangement having a flat screen panel illuminated with a back light that compensates for changes in luminance of the panel
Classifications
International ClassificationG09G3/34, G02F1/133, G02F1/13
Cooperative ClassificationG09G2360/145, G02F2203/69, G09G2360/144, G09G2320/0693, G09G2320/0626, G09G3/3406, G02F1/133602
European ClassificationG09G3/34B
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