Invention Grant
- Patent Title: LED headlamp system
- Patent Title (中): LED头灯系统
-
Application No.: US11885626Application Date: 2006-03-03
-
Publication No.: US07731402B2Publication Date: 2010-06-08
- Inventor: Thomas Tessnow , Ralph Johnson
- Applicant: Thomas Tessnow , Ralph 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

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.
Public/Granted literature
- US20090034278A1 LED Headlamp System Public/Granted day:2009-02-05
Information query