发明名称 |
Liquid crystal display device comprising at least one groove having an end portion that stops short of the non-adjacent opposite side surfaces and extends in a direction perpendicular to the non-adjacent side surfaces |
摘要 |
An object of the present invention is to provide a liquid crystal display device having a light guide plate that is capable of providing improved liquid crystal display performance without generating a striped image. The liquid crystal display device includes a light guide plate, which illuminates a liquid crystal panel from its rear surface, and light sources, which shed a light ray on the light guide plate. The rear surface of the light guide plate is separated into a plurality of rear surface divisions by concave grooves. The light sources can adjust the brightness of each rear surface division. The display performance of the liquid crystal panel is improved by individually managing a plurality of regions of the liquid crystal panel, which correspond to the rear surface divisions, and darkening a rear surface division that corresponds to a region where the black color is predominant. |
申请公布号 |
US8089582(B2) |
申请公布日期 |
2012.01.03 |
申请号 |
US20080129838 |
申请日期 |
2008.05.30 |
申请人 |
SEKIGUCHI YOSHIFUMI;KONNO AKITOYO;SASAKI HIROSHI;HITACHI DISPLAYS, LTD.;PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD. |
发明人 |
SEKIGUCHI YOSHIFUMI;KONNO AKITOYO;SASAKI HIROSHI |
分类号 |
G02F1/1335;F21V7/04 |
主分类号 |
G02F1/1335 |
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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