发明名称 OPTICAL REFLECTOR AND REAR PROJECTION SCREEN
摘要 PROBLEM TO BE SOLVED: To provide a rear projection screen by which sharp images can be obtained over the entire screen, by increasing the efficiency of the use of light over the entire screen and restraining the influence of due to ghost and stray light. SOLUTION: A plurality of reflecting means are arranged in a predetermined direction, with each reflecting means, having a first reflecting face which is disposed on the side where light enters and is reflected so as to condense light and a second reflecting face which is disposed on a side where the light is emitted and reflects the light reflected by the first reflecting face. Light reflected by the first reflecting face of one of the reflecting means is reflected by the second reflecting face of another reflecting means that is adjacent to the first reflecting means. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005195740(A) 申请公布日期 2005.07.21
申请号 JP20040000275 申请日期 2004.01.05
申请人 MITSUBISHI ELECTRIC CORP 发明人 HIBI TAKETOSHI;NAKANO YUZO
分类号 F21S11/00;F21V11/06;G02B5/02;G02B5/08;G03B21/62;(IPC1-7):G03B21/62 主分类号 F21S11/00
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