Title:
LED HEADLAMP SYSTEM
Document Type and Number:
WIPO Patent Application WO2006096467
Kind Code:
A3
Abstract:
A vehicle headlamp (20) includes a first planar row of low and high beam LED light sources (22); 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 low and high beam LEDs (24); a second primary optical light guide receiving and collimating low and high beam light from the 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 (60) to mechanically support the LED arrays, the first primary optical light guide, the first secondary optical light guide, the second primary optical light guide and the second secondary optical light guide.
Inventors:
TESSNOW THOMAS (US)
JOHNSON RALPH (US)
JOHNSON RALPH (US)
Application Number:
PCT/US2006/007472
Publication Date:
November 23, 2006
Filing Date:
March 03, 2006
Export Citation:
Assignee:
OSRAM SYLVANIA INC (US)
TESSNOW THOMAS (US)
JOHNSON RALPH (US)
TESSNOW THOMAS (US)
JOHNSON RALPH (US)
International Classes:
B60Q1/00; B60Q1/26; B60Q1/32; B60Q3/00; B60Q11/00; F21S8/10; F21V5/00; F21V21/00; H01L33/00
Foreign References:
| US4868718A | 1989-09-19 | |||
| US6520669B1 | 2003-02-18 | |||
| US20040042212A1 | 2004-03-04 | |||
| US20040085779A1 | 2004-05-06 | |||
| US20050068787A1 | 2005-03-31 | |||
| US6953274B2 | 2005-10-11 |
Other References:
See also references of EP 1853461A4
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