发明授权
- 专利标题: Light output control device for laser light source
- 专利标题(中): 激光光源光输出控制装置
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申请号: US12669279申请日: 2008-06-06
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公开(公告)号: US08169164B2公开(公告)日: 2012-05-01
- 发明人: Shuji Inoue , Takahiro Kobayashi , Hiroshi Mitani , Toshiki Onishi , Yuichi Nishikoji
- 申请人: Shuji Inoue , Takahiro Kobayashi , Hiroshi Mitani , Toshiki Onishi , Yuichi Nishikoji
- 申请人地址: JP Osaka
- 专利权人: Panasonic Corporation
- 当前专利权人: Panasonic Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: Wenderoth, Lind & Ponack, L.L.P.
- 优先权: JP2007-186921 20070718
- 国际申请: PCT/JP2008/001444 WO 20080606
- 国际公布: WO2009/011085 WO 20090122
- 主分类号: H05B37/00
- IPC分类号: H05B37/00
摘要:
A light output control device for laser light sources for respective RGB colors includes, for each of RGB, three sets, each including: a semiconductor laser for one of the colors; light output detection unit for detecting a light output from the semiconductor laser; light output adjustment unit for updating a light output target value; light output control unit for controlling the semiconductor laser based on the updated light output target value; and division unit for dividing the light output by an output from the light output adjustment unit to obtain a ratio of the rising of the light output, and includes rising determination unit for determining, based on results obtained by the respective division unit, a semiconductor laser with a slowest rising and outputs light output adjustment values for the respective colors. The light output adjustment unit update their respective light output target values based on the light output adjustment values. The light output control unit causes their respective corresponding semiconductor lasers to operate in accordance with a semiconductor laser whose rising time is slowest, based on the updated light output target values to keep RGB color balance upon start-up.
公开/授权文献
- US20100181939A1 LIGHT OUTPUT CONTROL DEVICE FOR LASER LIGHT SOURCE 公开/授权日:2010-07-22