发明名称 |
DIRECTION DEPENDENT DISPLAY APPARATUS |
摘要 |
PROBLEM TO BE SOLVED: To uniformize the brightness of a screen and suppress the leakage of images. SOLUTION: The directional display apparatus is provided with a horizontally arranged screen 1 and a plurality of image projectors 4 for projecting images for respective users from respective different directions underneath the screen 1. The screen 1 is a directional diffusion plate where the exit angle of the light is uniquely decided, depending on the incident angle of the light; and regarding the directional diffusion plate, a plurality of transparent partial spherical projections are formed planarly on a transparent support plate. COPYRIGHT: (C)2006,JPO&NCIPI
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申请公布号 |
JP2006171467(A) |
申请公布日期 |
2006.06.29 |
申请号 |
JP20040364968 |
申请日期 |
2004.12.16 |
申请人 |
NIPPON TELEGR & TELEPH CORP <NTT> |
发明人 |
MATSUSHITA MITSUNORI;SHIRAI YOSHINARI |
分类号 |
G03B21/10;G03B21/62;H04N5/72 |
主分类号 |
G03B21/10 |
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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