Vehicle headlamp with steps in periphery with parabolic edges wi

Details Vehicle headlamp with steps in periphery with parabolic edges wi Vehicle headlamp with steps in periphery with parabolic edges wi

1997-07-17

1999-12-21

O'Shea, Sandra

Illumination

Supported by vehicle structure

Light modifier

362346, F21V 709

Patent

active

060040149

ABSTRACT:
A vehicle headlamp comprises: a discharge bulb; and a reflector having a reflecting surface including a plurality of reflecting surface elements to reflect the output light of the discharge bulb forwardly, wherein an sub light distribution pattern having an oblique cut line and a horizontal cut light is formed by controlling light reflected from the reflecting surface elements. Of the plurality of reflecting surface elements, oblique cut line forming reflecting surface elements, and horizontal cut line forming reflecting surface elements extend above the lines of intersection between the reflecting surface and an inclined surface which passes through the optical axis of the reflector and has an angle of elevation of 15.degree..

REFERENCES:
patent: 5171082 (1992-12-01), Watanable
patent: 5299101 (1994-03-01), Serizawa
patent: 5416671 (1995-05-01), Uchida
patent: 5539629 (1996-07-01), Chinniah
patent: 5562342 (1996-10-01), Nino

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