发明名称 |
Liquid crystal display device and an optimum gradation voltage setting apparatus thereof |
摘要 |
A liquid crystal display device which favorably displays an image by eliminating irregularities of the gamma characteristic for every manufactured liquid crystal panel. In the liquid crystal display device, when a power source is supplied thereto, a display control circuit installed therein reads out gradation voltage data corresponding to the liquid crystal panel stored in a ROM connected to the display control circuit and sets gradation voltages in a gradation voltage setting circuit installed therein. Further, upon receiving external control signals, the display control circuit sets gradation voltages in the gradation voltage setting circuit. When the set gradation voltages are inputted to a source driver section of the liquid crystal display device, the liquid crystal panel is driven and images are displayed thereby.
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申请公布号 |
US7443369(B2) |
申请公布日期 |
2008.10.28 |
申请号 |
US20040901047 |
申请日期 |
2004.07.29 |
申请人 |
HITACHI DISPLAYS, LTD.;HITACHI DISPLAY DEVICES, LTD. |
发明人 |
TAKAHASHI SATOSHI;YAMAGISHI YASUHIKO;KOGANEZAWA NOBUYUKI |
分类号 |
G02F1/133;G09G3/36;G09G3/20 |
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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