发明名称 |
PICTURE DISPLAY DEVICE |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To change a visibility angle corresponding to observer's intention in a picture display device which three-dimensionally displays a plurality of kinds of designs. <P>SOLUTION: The picture display device is equipped with a Fresnel lens 812 which is disposed between a light source 810 and a liquid crystal panel 804 and displays a plurality of pictures at mutually different positions by converting light from the light source 810 into nearly parallel beams. The light source 810 is constructed so as to change a position to be lighted and a region to be lighted and is equipped with a lighting controlling means to change the position to be lighted or the region to be lighted of the light source 810. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
申请公布号 |
JP2004286978(A) |
申请公布日期 |
2004.10.14 |
申请号 |
JP20030077574 |
申请日期 |
2003.03.20 |
申请人 |
SOPHIA CO LTD;ARISAWA MFG CO LTD;AMITA TECHNOLOGY KK |
发明人 |
IOKI SADAO;ARISAWA SANJI;TOMITA SEIJIRO |
分类号 |
G09B29/10;A63F7/02;G02B27/22;G02B27/28;G02F1/133;G02F1/1335;G02F1/13357;G09F13/04;G09F19/14;(IPC1-7):G02F1/133 |
主分类号 |
G09B29/10 |
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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