发明名称 |
Liquid crystal display device, power supply circuit, and method for controlling liquid crystal display device |
摘要 |
A liquid crystal display device according to the present invention includes: a liquid crystal panel 11; a source driver 12 for controlling the gray-scale level by applying a voltage to the liquid crystal panel 11; a DC-DC power supply 13 for driving the source driver 12 by supplying current to the source driver 12; a controller 14 for supplying a signal for controlling the gray-scale level to the source driver 12; and a variation calculator 15 for calculating the amount of change in the signal from the controller 14. In the DC-DC power supply 13, current to be supplied to the source driver 12 changes in accordance with the amount of change in the signal calculated by the variation calculator 15.
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申请公布号 |
US2005073490(A1) |
申请公布日期 |
2005.04.07 |
申请号 |
US20040933411 |
申请日期 |
2004.09.03 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KOJIMA TOMOKAZU;SAKAKIBARA TSUTOMU;SUYAMA TOORU |
分类号 |
G02F1/133;G09G3/18;G09G3/20;G09G3/36;H02M3/155;(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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