Headlight for vehicle

Details Headlight for vehicle Headlight for vehicle

1995-11-01

1998-03-24

Cariaso, Alan

Illumination

Revolving

362 61, 362332, 385 33, F21V 500

Patent

active

057305196

ABSTRACT:
In order to prevent a driver from feeling strange when he looks at a boundary of illumination between a hot illumination zone and flat illumination zone, a light-grading optical member is provided. A headlight for a vehicle includes a fiberoptic cable and a lamp member for forming incident light beams into a desired illumination profile to illuminate portions in front of the vehicle. The lamp member is composed of a light conducting member to define the profile of the illumination by introducing the light beams from the fiberoptic cable, a first lens member for forming the hot illumination zone and a second lens member for forming the flat illumination zone. The optical member or means for refracting a portion of the light beams is formed on a periphery of the first lens member or on a periphery of the light conducting member, whereby a difference in brightness between the hot and flat illumination zones is reduced.

REFERENCES:
patent: 4113347 (1978-09-01), Gaertner
patent: 4610513 (1986-09-01), Nishioka et al.
patent: 4811172 (1989-03-01), Davenport et al.
patent: 4814950 (1989-03-01), Nakata
patent: 5307247 (1994-04-01), Cejnek

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