Vehicle head lamp

Details Vehicle head lamp Vehicle head lamp

2006-07-18

2006-07-18

Luebke, Renee (Department: 2875)

Illumination

Supported by vehicle structure

Plural light sources

C362S538000, C362S465000, C313S510000

Reexamination Certificate

active

07077552

ABSTRACT:
A lighting device unit which conducts illumination for forming an upward protrusion has a light source including a light emitting diode in which three light emitting chips are horizontally arranged, and a projection lens which projects an image of the light source toward the front of the lighting device as an inverted image. The inverted images of the light emitting chips of the light source formed respectively on a virtual vertical screen in front of the lighting device are horizontally shifted from one another. When a vehicle moves straight forward, the first light emitting chip is turned ON; when the vehicle turns leftward, the second light emitting chip is turned ON; and, when the vehicle turns rightward, the third light emitting chip is turned ON. The position where the upward protrusion is formed is horizontally moved to brightly illuminate the road surface in the traveling direction of the vehicle.

REFERENCES:
patent: 4646207 (1987-02-01), Levin et al.
patent: 5779341 (1998-07-01), Chinniah et al.
patent: 6450663 (2002-09-01), Reinbach
patent: 6619825 (2003-09-01), Natsume
patent: 6672746 (2004-01-01), Amano
patent: 6698911 (2004-03-01), Naganawa et al.
patent: 2003/0156425 (2003-08-01), Turnbull et al.
patent: 2002-87153 (2002-03-01), None
patent: 2002-216506 (2002-08-01), None

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