发明授权
- 专利标题： Light projection unit and light projection apparatus
- 专利标题（中）： 投光灯和投光装置
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申请号： US13451267申请日： 2012-04-19
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公开(公告)号： US08956028B2公开(公告)日： 2015-02-17
- 发明人: Koji Takahashi , Yoshiyuki Takahira , James Suckling , David Montgomery
- 申请人： Koji Takahashi , Yoshiyuki Takahira , James Suckling , David Montgomery
- 申请人地址： JP Osaka-shi
- 专利权人： Sharp Kabushiki Kaisha
- 当前专利权人： Sharp Kabushiki Kaisha
- 当前专利权人地址： JP Osaka-shi
- 代理机构： Morrison & Foerster LLP
- 优先权： JP2011-101974 20110428
- 主分类号： B60Q1/00
- IPC分类号： B60Q1/00 ; B60Q3/00 ; G03B21/20 ; F21V9/16 ; H01S5/40 ; H01S5/00 ; F21Y101/02
摘要：
A light projection unit capable of improving light use efficiency is provided. This light projection unit includes: a fluorescent member that includes an illuminated surface to which laser light is directed, converts at least part of the laser light into fluorescent light and outputs the fluorescent light from chiefly the illuminated surface; and a reflection member that includes a first reflection surface which reflects the fluorescent light output from the fluorescent member. The illuminated surface of the fluorescent member is inclined with respect to a predetermined direction in such a way that the illuminated surface faces in a direction opposite to a light projection direction.
公开/授权文献
- US20120275134A1 LIGHT PROJECTION UNIT AND LIGHT PROJECTION APPARATUS 公开/授权日：2012-11-01