Invention Grant
US07731402B2 LED headlamp system 有权
LED头灯系统

  • Patent Title: LED headlamp system
  • Patent Title (中): LED头灯系统
  • Application No.: US11885626
    Application Date: 2006-03-03
  • Publication No.: US07731402B2
    Publication Date: 2010-06-08
  • Inventor: Thomas TessnowRalph Johnson
  • Applicant: Thomas TessnowRalph Johnson
  • Applicant Address: US MA Danvers
  • Assignee: OSRAM SYLVANIA Inc.
  • Current Assignee: OSRAM SYLVANIA Inc.
  • Current Assignee Address: US MA Danvers
  • Agent William E. Meyer; Edward S. Podszus
  • International Application: PCT/US2006/007472 WO 20060303
  • International Announcement: WO2006/096467 WO 20060914
  • Main IPC: B60Q1/04
  • IPC: B60Q1/04
LED headlamp system
Abstract:
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.
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