发明名称 |
Light source device for liquid crystal display using a light guide plate |
摘要 |
<p>A light guide plate comprises: an outgoing radiation plane; a bottom opposed to the outgoing radiation plane; and an incidence plane disposed between the outgoing radiation plane and the bottom; wherein projections or recesses are formed on the bottom along the progress direction of incident light at a regular interval, the projections or recesses have long-side and short-side faces, an projection area of the long-side face on the outgoing radiation plane is three times or more that of the short-side face on the outgoing radiation plane, the long-side face is a projection, the long-side face is placed on the incidence plane side in the case of projections, the long-side face is placed on a side opposed to the incidence plane in the case of recesses. <IMAGE></p> |
申请公布号 |
EP0787942(A2) |
申请公布日期 |
1997.08.06 |
申请号 |
EP19960112535 |
申请日期 |
1996.08.02 |
申请人 |
NITTO DENKO CORPORATION |
发明人 |
UMEMOTO, SEIJI;HARA, KAZUTAKA;YOSHIMI, HIROYUKI;OSUKA, TATSUYA;KAMEYAMA, TADAYUKI |
分类号 |
F21V8/00;G02B6/00;G02F1/1335;G02F1/13357;(IPC1-7):F21V8/00;G02F1/133 |
主分类号 |
F21V8/00 |
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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