Invention Grant
- Patent Title: Liquid crystal backlight apparatus
- Patent Title (中): 液晶背光装置
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Application No.: US12920850Application Date: 2009-03-04
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Publication No.: US08482512B2Publication Date: 2013-07-09
- Inventor: Takeshi Adachi , Masahiko Nagano
- Applicant: Takeshi Adachi , Kohji Nagano
- Applicant Address: JP Tokyo JP Saitama
- Assignee: Mitsumi Electric Co., Ltd.,ATRC Corporation
- Current Assignee: Mitsumi Electric Co., Ltd.,ATRC Corporation
- Current Assignee Address: JP Tokyo JP Saitama
- Agency: IPUSA, PLLC
- Priority: JP2008-057224 20080307; JP2009-006159 20090114
- International Application: PCT/JP2009/054085 WO 20090304
- International Announcement: WO2009/110513 WO 20090911
- Main IPC: G09G3/34
- IPC: G09G3/34

Abstract:
A liquid crystal backlight apparatus being placed behind a liquid crystal display panel in a manner facing the liquid crystal display panel and illuminating the liquid crystal display panel from behind with a backlight having plural light emitting diodes as a light source, the liquid crystal backlight apparatus including a control part configured to use 0.1-0.5 watt white light emitting diodes as the plural light emitting diodes and independently control luminance of the white light emitting diodes separately.
Public/Granted literature
- US20110018912A1 LIQUID CRYSTAL BACKLIGHT APPARATUS Public/Granted day:2011-01-27
Information query
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