Lighting unit with light source and optical waveguide

Details Lighting unit with light source and optical waveguide Lighting unit with light source and optical waveguide

2007-04-10

2007-04-10

Tso, Laura K. (Department: 2875)

Illumination

Light fiber, rod, or pipe

Illuminating or display apparatus

C362S555000, C362S296040, C362S350000

Reexamination Certificate

active

10913718

ABSTRACT:
The invention relates to a lighting unit with at least one light source and at least one optical waveguide following the light source, said waveguide having at least one light transmitting surface. To this end, the lighting unit has at least one reflector. In addition, at least one light transmitting surface of the optical waveguide faces the reflector.A lighting unit with an optical waveguide which has a large illuminated area and requires only a small space is provided.

REFERENCES:
patent: 5515243 (1996-05-01), Cassarly et al.
patent: 5733028 (1998-03-01), Ramer et al.
patent: 6290381 (2001-09-01), Mangum et al.
patent: 6811277 (2004-11-01), Amano
patent: 6959995 (2005-11-01), Ikarashi et al.
patent: 199 30 461 (2001-01-01), None

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