发明授权
- 专利标题: Image projecting apparatus
- 专利标题(中): 图像投影仪
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申请号: US11636617申请日: 2006-12-11
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公开(公告)号: US07773303B2公开(公告)日: 2010-08-10
- 发明人: Chiu-Ping Chen , Chien-Chung Liao , Chin-Ku Liu
- 申请人: Chiu-Ping Chen , Chien-Chung Liao , Chin-Ku Liu
- 申请人地址: TW Chu Nan
- 专利权人: Coretronic Corporation
- 当前专利权人: Coretronic Corporation
- 当前专利权人地址: TW Chu Nan
- 代理机构: Davidson Berquist Jackson & Gowdey LLP
- 优先权: TW95105230A 20060216
- 主分类号: G02B3/00
- IPC分类号: G02B3/00 ; G02B9/00
摘要:
An image projecting apparatus includes a light source, a relay lens, a reflective light valve, and a projection lens. The light source is capable of emitting a light beam. The relay lens is disposed to permit the light beam provided by the light source to pass therethrough, and has a lens periphery formed with a notch. The reflective light valve is spaced apart from the relay lens, and is disposed to receive and modulate the light beam passing through the relay lens into an image light beam. The projection lens is disposed proximate to the notch of the relay lens, and is capable of projecting the image light from the reflective light valve to display an image onto a screen. The relay lens has a plurality of light-absorbing regions proximate to the notch for reducing a light-splitting effect attributed to the notch.
公开/授权文献
- US20070188878A1 Image projecting apparatus 公开/授权日:2007-08-16
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