发明授权
- 专利标题: Projector
- 专利标题(中): 投影机
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申请号: US12879357申请日: 2010-09-10
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公开(公告)号: US08540376B2公开(公告)日: 2013-09-24
- 发明人: Tsuyoshi Kaneko , Takashi Takeda
- 申请人: Tsuyoshi Kaneko , Takashi Takeda
- 申请人地址: JP
- 专利权人: Seiko Epson Corporation
- 当前专利权人: Seiko Epson Corporation
- 当前专利权人地址: JP
- 代理机构: Harness, Dickey & Pierce, P.L.C.
- 优先权: JP2009-217191 20090918
- 主分类号: G03B21/26
- IPC分类号: G03B21/26 ; F21V5/00 ; F21V5/02 ; H01L33/00
摘要:
A projector includes: a light emitter; a light modulator modulating light from the light emitter; and a projector projecting the image from the light modulator. The light emitter includes a light emitting element and an optical member. The light emitting element is a super luminescent diode having an active layer constituting first and second gain regions sandwiched between first and second cladding layers. The first gain region is tilted in a clockwise direction relative a perpendicular of a first surface of the stacked structure. The second gain region is tilted in a counterclockwise direction relative to a perpendicular of the first surface. As such, the optical member refracts the light respectively emitted from the end surfaces of the first and second gain regions on the second surface side to thereby emit light beams in the same direction.
公开/授权文献
- US20110069282A1 PROJECTOR 公开/授权日:2011-03-24
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