Invention Grant
- Patent Title: Backlight apparatus, backlight controlling method and liquid crystal display apparatus
- Patent Title (中): 背光装置，背光控制方法和液晶显示装置
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Application No.: US12011039Application Date: 2008-01-23
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Publication No.: US09099045B2Publication Date: 2015-08-04
- Inventor: Mitsunori Ueda , Tadashi Morimoto , Minoru Mizuta
- Applicant: Mitsunori Ueda , Tadashi Morimoto , Minoru Mizuta
- Applicant Address: FR Issy-les-Moulineaux
- Assignee: Thomson Licensing
- Current Assignee: Thomson Licensing
- Current Assignee Address: FR Issy-les-Moulineaux
- Priority: JP2007-013832 20070124
- Main IPC: G09G3/36
- IPC: G09G3/36 ; G09G3/34
Abstract:
Disclosed herein is a backlight apparatus for controlling a backlight wherein light emitting devices for emitting light of red, green and blue and a switching device for switching on or off light emission of the light emitting devices are provided for each of a plurality of divisional regions formed by division of a lighting region such that the light emission luminance can be varied for each of the regions, the backlight apparatus including: light emission luminance control means; current value storage means; and current control means.
Public/Granted literature
- US20080174544A1 Backlight apparatus, backlight controlling method and liquid crystal display apparatus Public/Granted day:2008-07-24
Information query
IPC分类:
