发明名称 |
LIQUID CRYSTAL DISPLAY DEVICE |
摘要 |
PURPOSE:To prevent the generation of the moires and glitters of a display screen and to greatly improve the display quality by increasing the brightness of a back light so that the bright display screen having a uniform brightness distribution is obtd. CONSTITUTION:A lens film 2 having a prism surface 2a on its front surface and a smooth surface 2b on its rear surface is disposed between a diffusion plate 39 constituting the back light 3 and liquid crystal display element 62 of the liquid crystal display device constituted by disposing the back light 3 on the liquid crystal display element 62 and a second diffusion plate 1 having a rough surface 1a formed by embossing on its front surface and a smooth surface 1b on its rear surface is disposed between the lens film 2 and the liquid crystal display element 62. |
申请公布号 |
JPH0634972(A) |
申请公布日期 |
1994.02.10 |
申请号 |
JP19920191924 |
申请日期 |
1992.07.20 |
申请人 |
HITACHI LTD |
发明人 |
NISHIYAMA SEIICHI;YAJIMA TOSHIHIRO |
分类号 |
G02B3/00;G02B5/02;G02B6/00;G02F1/1335;G02F1/13357 |
主分类号 |
G02B3/00 |
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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