Vehicle headlamp

Details Vehicle headlamp Vehicle headlamp

1989-03-27

1991-01-15

Husar, Stephen F.

Illumination

Light source and modifier

Including reflector

362 61, 362268, 362277, 362293, 362319, F21V 700

Patent

active

049858165

ABSTRACT:
Disclosed herein is a vehicle headlamp which comprises an ellipsoidal light reflector having first and second focuses; a light source positioned at the first focus, so that light rays produced by the light source are reflected forward by the light reflector and converged at the second focus; a converging lens positioned in front of the second focus; a shading device positioned near the second focus for partially shading the light rays which have been reflected by the light reflector; and control means for controlling the shading characteristic of the shading device in accordance with an operation mode of the vehicle, wherein said shading device comprises a liquid crystal matrix which has a plurality of small light transmitting elements independently and electrically controlled by said control means.

REFERENCES:
patent: 4323952 (1982-04-01), Proske
patent: 4875141 (1989-10-01), Miyauchi et al.

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