Vehicle lighting device

Details Vehicle lighting device Vehicle lighting device

2007-05-29

2007-05-29

Tso, Laura K. (Department: 2875)

Illumination

Supported by vehicle structure

Light modifier

C362S517000, C362S297000, C362S346000

Reexamination Certificate

active

11444299

ABSTRACT:
Light emitted from the light source, which is disposed above an optical axis extending in front and rear direction of a vehicle lighting device, is reflected toward front of the vehicle lighting device by a reflector made of a transmissive member. An exterior surface of the reflector is formed with a plurality of protruding portions extending in a radial pattern with respect to the optical axis. Each of the protruding portions has a total reflection prism having a cross sectional shape perpendicular to the optical axis, which is approximately a V shape. The reflector is divided into twelve fan-shaped reflective regions, each having three protruding portions. The fan-shaped reflective regions, which are located in the left and right directions of the optical axis, reflect the light emitted from the light source in the direction more deviating from a direction along the optical axis than the fan-shaped reflective regions, which are located at the upper and lower directions of the optical axis.

REFERENCES:
patent: 4839781 (1989-06-01), Barnes et al.
patent: 5975723 (1999-11-01), Daumueller et al.
patent: 6007223 (1999-12-01), Futami
patent: 5-120903 (1993-05-01), None

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