| 发明名称 |
Apparatus and method for automatic brightness control of a backlight of a liquid crystal display device |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
EP2463850(A1) |
申请公布日期 |
2012.06.13 |
| 申请号 |
EP20120157986 |
申请日期 |
2001.11.07 |
| 申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
MOON, SEUNG-HWAN;KIM, SANG-SOO;PARK, DONG-WON;CHOI, HYEONG-BAE |
| 分类号 |
G02F1/133;G09G3/34;G09G3/20;G09G3/36;H04N5/66;H05B41/40;H05B41/42 |
主分类号 |
G02F1/133 |
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