Lighting unit

Details Lighting unit Lighting unit

2007-11-09

2009-10-27

Ton, Anabel M (Department: 2875)

Illumination

Supported by vehicle structure

Plural light sources

C362S539000, C362S538000, C362S543000

Reexamination Certificate

active

07607811

ABSTRACT:
A lighting unit is provided with a cutoff line forming member disposed between a projection lens and a first light source and having a tip edge positioned in a vicinity of a rear focal point of the projection lens. The cutoff line forming member is capable of shielding a part of a light reflected by a reflector, thereby forming a cutoff line of a light distribution pattern for a low beam. An additional reflector is capable of collecting a light emitted from a second light source in a vicinity of the rear focal point of the projection lens. The light emitted from the second light source is collected in the vicinity of the rear focal point of the projection lens in a state in which the tip edge of the cutoff line forming member and the rear focal point of the projection lens are relatively separated from each other, and a light distribution pattern for a high beam is thus formed.

REFERENCES:
patent: 7364332 (2008-04-01), Komatsu et al.
patent: 7410958 (2008-08-01), Krasutsky et al.
patent: 7484864 (2009-02-01), Okada
patent: 7500773 (2009-03-01), Komatsu
patent: 63111704 (1988-05-01), None
patent: 63-111704 (1988-07-01), None
patent: 2005-108554 (2005-04-01), None
patent: 2005108554 (2005-04-01), None
patent: 2006-164735 (2006-06-01), None
patent: 2006164735 (2006-06-01), None

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