Invention Grant
- Patent Title: Liquid crystal display, as well as, a backlight controller and a method for the same
- Patent Title (中): 液晶显示器以及背光控制器及其方法
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Application No.: US11748097Application Date: 2007-05-14
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Publication No.: US07825893B2Publication Date: 2010-11-02
- Inventor: Naoya Oka , Yoshiyuki Nagashima
- Applicant: Naoya Oka , Yoshiyuki Nagashima
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Antonelli, Terry, Stout & Kraus, LLP.
- Priority: JP2006-312958 20061120
- Main IPC: G09G3/36
- IPC: G09G3/36

Abstract:
A liquid crystal display, comprising: a liquid crystal display portion for inputting a video signal to display an image thereon; a backlight provided on a rear side of the liquid crystal display portion, for illuminating the liquid crystal display portion from a rear surface thereof; a backlight driver portion for driving the backlight, also having a light control function for controlling a light intensity of the illuminating lights from that backlight; a feature detector portion for detecting an averaged brightness of the video signal, and also a histogram of brightness or a color, upon basis of said video signal inputted; and a light intensity control portion for controlling the light intensity of the illuminating lights from the backlight, through the light control function of the backlight driver portion, upon basis of the histogram of brightness or color, as well as, the averaged brightness of the video signal detected by the feature detector portion.
Public/Granted literature
- US20080117160A1 LIQUID CRYSTAL DISPLAY, AS WELL AS, A BACKLIGHT CONTROLLER AND A METHOD FOR THE SAME Public/Granted day:2008-05-22
Information query
IPC分类: