发明申请
- 专利标题: LED Headlamp System
- 专利标题(中): LED头灯系统
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申请号: US11885626申请日: 2006-03-03
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公开(公告)号: US20090034278A1公开(公告)日: 2009-02-05
- 发明人: Thomas Tessnow , Ralph Johnson
- 申请人: Thomas Tessnow , Ralph Johnson
- 申请人地址: US MA DANVERS
- 专利权人: OSRAM SYLVANIA INC
- 当前专利权人: OSRAM SYLVANIA INC
- 当前专利权人地址: US MA DANVERS
- 国际申请: PCT/US06/07472 WO 20060303
- 主分类号: F21V9/00
- IPC分类号: F21V9/00
摘要:
A vehicle headlamp includes a first planar array of low and high beam LED light sources; a first primary optical light guide receiving low and high beam light from the LEDs; a first secondary optical light guide receiving and focusing collimated low and high beam light from the first primary light guide as a combination of low and high beam hot spots; a second planar array of LED light sources having a low and high beam LEDs; a second primary optical light guide receiving and collimating low and high beam light from second LED light sources; a second secondary optical light guide receiving said collimated low and high beam light and spreading the light as a combination of low and high beam spread pattern; a housing to mechanically support the LED arrays, the first primary optic, the first secondary optic, the second primary light guide and the second secondary optic.
公开/授权文献
- US07731402B2 LED headlamp system 公开/授权日:2010-06-08
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