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
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
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