发明名称 |
LIQUID CRYSTAL DISPLAY DEVICE |
摘要 |
A liquid crystal display device for image display realizing clear and optimum image display by comprising a brightness detector for detecting brightness of image signal after digital conversion and a voltage dividing circuit for outputting the reference voltage in the level depending on the detected value in view of adjusting contrast of display screen by judging brightness of image signal and controlling the reference voltage.
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申请公布号 |
CA1327855(C) |
申请公布日期 |
1994.03.15 |
申请号 |
CA19890611079 |
申请日期 |
1989.09.12 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
FUKUMURA, KENICHIRO;YOSHIOKA, KAZUO |
分类号 |
G02F1/133;G09G3/36;H04N3/12;H04N9/30;(IPC1-7):G09G3/36 |
主分类号 |
G02F1/133 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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