Light emitting device

Details Light emitting device Light emitting device

2009-12-24

2011-11-29

Patel, Ashok (Department: 2889)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Plural diverse optical devices

C313S113000, C362S347000, C362S296070, C362S516000

Reexamination Certificate

active

08067881

ABSTRACT:
A light emitting device comprises: a concave mirror having one focal point; a plurality of main light sources each of which is arranged between the focal point and a light reflection surface of the concave mirror, and emits light toward the light reflection surface; and a plurality of main lenses each of which is arranged between a corresponding one of the main light sources and the light reflection surface, refracts the light emitted from the corresponding main light source toward the light reflection surface, and produces a virtual image of the main light source on the focal point situated at a backside of the main light source.

REFERENCES:
patent: 7854539 (2010-12-01), Van Duijneveldt
patent: 2004/0223338 (2004-11-01), Koike et al.
patent: 2006/0082998 (2006-04-01), Inoko
patent: 2007/0080645 (2007-04-01), Smith
patent: 2008/0310158 (2008-12-01), Harbers et al.
patent: 102007044740 (2008-05-01), None
patent: 1538059 (2005-06-01), None
patent: 2004-111297 (2004-04-01), None
patent: 2007-101732 (2007-04-01), None

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