发明名称 RAMP OPERATING DEVICE FOR LIQUID CRYSTAL DISPLAY MODULE AND THE OPERATING METHOD
摘要 A device for operating lamps for a liquid crystal display module, and an operation method using the same are provided to maintain balance of life span of lamps and uniformly maintain brightness of the lamps by equally using the lamps in case of using a backlight in a high brightness mode and a low brightness mode, and reduce power consumption in case of a low brightness mode. A first lamp(121) and a second lamp(122) irradiate light. A memory(130) stores total lighting time of the first lamp and the second lamp. A microcomputer(100) receives the total lighting time of the first lamp and the second lamp from the memory for lighting a lamp having less lighting time of the first lamp and the second lamp.
申请公布号 KR20070001655(A) 申请公布日期 2007.01.04
申请号 KR20050057260 申请日期 2005.06.29
申请人 LG.PHILIPS LCD CO., LTD. 发明人 SUNG, KEW YONG
分类号 G02F1/133 主分类号 G02F1/133
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