发明名称 |
OPTICAL SCAN UNIT, IMAGE PROJECTOR INCLUDING THE SAME, VEHICLE HEAD-UP DISPLAY DEVICE, AND MOBILE PHONE |
摘要 |
An optical scan unit (10) is configured to include a light source (11), a divergent light conversion element (12) having such positive power as to convert divergent light from the light source (11) into convergent light to form a spot on a projection plane, an optical deflector (13) deflecting a light beam from the divergent light conversion element (12) to a first scan direction and a second scan direction which is orthogonal to the first scan direction, and a deflection angle conversion element 14 (14) having such negative power as to convert a deflection angle of the light deflected by the optical deflector (13). |
申请公布号 |
WO2010010773(A1) |
申请公布日期 |
2010.01.28 |
申请号 |
WO2009JP61271 |
申请日期 |
2009.06.16 |
申请人 |
RICOH COMPANY, LTD.;HAMANO, YUKIKO;AKIYAMA, HIROSHI;TAKAHASHI, YOSHITAKA |
发明人 |
HAMANO, YUKIKO;AKIYAMA, HIROSHI;TAKAHASHI, YOSHITAKA |
分类号 |
G02B26/10;G02B13/00;G02B13/18;G03B21/00;H04N5/74 |
主分类号 |
G02B26/10 |
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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