发明授权
- 专利标题： Apparatus and method for automatic brightness control for use in liquid crystal display device
- 专利标题（中）： 用于液晶显示装置的自动亮度控制装置及方法
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申请号： US09961438申请日： 2001-09-25
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公开(公告)号： US06762742B2公开(公告)日： 2004-07-13
- 发明人: Seung-Hwan Moon , Sang-Soo Kim , Dong-Won Park , Hyeong-Bae Choi
- 申请人： Seung-Hwan Moon , Sang-Soo Kim , Dong-Won Park , Hyeong-Bae Choi
- 优先权： KR2000-85540 20001229; KR2001-26136 20010514
- 主分类号： G09G336
- IPC分类号： G09G336
摘要：
An LCD device having a backlight generates a backlight brightness control signal in response to a duty rate signal corresponding to an average gray level or/and a color state of image data to be displayed on the LCD device and a brightness control voltage generated from the main body of the computer by user, and controls a brightness of the backlight automatically according to the backlight brightness control signal.
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