Projector type vehicle headlamp unit

Details Projector type vehicle headlamp unit Projector type vehicle headlamp unit

2008-03-11

2008-03-11

Luebke, Renee (Department: 2833)

Illumination

Supported by vehicle structure

Projection-type headlamp

C362S297000, C362S296040, C362S545000

Reexamination Certificate

active

11249645

ABSTRACT:
A reflector is constructed by arranging two first reflecting surfaces. The two first reflecting surfaces are arranged by making first focal points F1of the first reflecting surfaces be alienated from each other, centering on the optical axis Z within an area of an effective diameter R of a convex lens, and making second focal points F2thereof gradually come close to each other so as to be located inside the two first focal points F1. An LED is formed of two LEDs respectively arranged near the first focal positions, with light emitting points F1thereof facing one of the two first reflecting surfaces. The obtained light distribution pattern has double quantity of light, and does not have a non-emission part inside thereof, and the combined light of the two LEDs can solve a problem of color irregularity.

REFERENCES:
patent: 4914747 (1990-04-01), Nino
patent: 6773146 (2004-08-01), Ishida
patent: 6948836 (2005-09-01), Ishida et al.
patent: 7150552 (2006-12-01), Weidel
patent: 2001/0040807 (2001-11-01), Luce
patent: 2002/0191395 (2002-12-01), Fleury
patent: 1357332 (2003-10-01), None
patent: 2003-229006 (2003-08-01), None

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