Lighting or signalling device having an optical guide for a...

Details Lighting or signalling device having an optical guide for a... Lighting or signalling device having an optical guide for a...

2007-06-11

2008-12-02

Font, Frank G (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling structure

C385S147000, C385S901000, C362S026000, C362S509000, C362S511000, C362S551000, C362S559000

Reexamination Certificate

active

07460751

ABSTRACT:
A lighting and/or signalling device, in particular for a motor vehicle, comprising at least one light source emitting light rays and at least one optical guide in which the light beam spreads, the at least one optical guide comprising at at least one of its ends an input face coupling the at least one optical guide and the at least one light source, a first surface forming an output face for the light beam, and a second surface, in particular remote from the output face, forming a face for reflection of the light rays, such that the at least one optical guide has at least one bend, the at least one optical guide in the region of the at least one bend having at least one corner protruding toward the outside of the at least one bend and bevelled by having two facets in order to send back the incident rays into the at least one optical guide.

REFERENCES:
patent: 6036340 (2000-03-01), Fohl et al.
patent: 6880945 (2005-04-01), Knaack et al.
patent: 7025482 (2006-04-01), Yamashita et al.
patent: 2003/0026106 (2003-02-01), Knaack et al.
patent: 0940625 (1999-09-01), None
patent: 2828267 (2003-02-01), None
patent: 2833688 (2003-06-01), None
patent: 2006128422 (2006-12-01), None

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