发明名称 |
Displaying optical system and image projection apparatus |
摘要 |
A compact displaying optical system capable of reducing a speckle noise and a loss of light amount is disclosed. The displaying optical system which projects images using coherent light, comprises a light source which emits the light; and a polarization control unit. The polarization control unit changes the polarization state of the light emitted from the light source temporally.
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申请公布号 |
US2006023164(A1) |
申请公布日期 |
2006.02.02 |
申请号 |
US20050192606 |
申请日期 |
2005.07.29 |
申请人 |
SAKAGUCHI RYUICHI;ISHIHARA KEIICHIRO |
发明人 |
SAKAGUCHI RYUICHI;ISHIHARA KEIICHIRO |
分类号 |
G03B21/14 |
主分类号 |
G03B21/14 |
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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