Lighting apparatus

Details Lighting apparatus Lighting apparatus

2007-02-27

2007-02-27

Tso, Laura K. (Department: 2875)

Illumination

Plural light sources

With modifier

C362S237000, C362S240000, C362S330000

Reexamination Certificate

active

11076438

ABSTRACT:
A lighting apparatus comprising a support, a light source having an emission surface and disposed in the support, a lens disposed to face the emission surface of the light source, and a half-mirror film provided on at least a surface of the lens, the half-mirror film being a thin film comprising a metallic material such as aluminum, the lens being a light-focusing lens, the lens having a peripheral part and a central part, the peripheral part including a lens surface comprising a smoothly curved surface, and the central part including a Fresnel lens surface.

REFERENCES:
patent: 6987613 (2006-01-01), Pocius et al.
patent: 7019334 (2006-03-01), Yatsuda et al.
patent: 2004/0084681 (2004-05-01), Roberts
patent: 2005/0286145 (2005-12-01), Silhengst et al.
patent: 09062206 (1997-03-01), None

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