Light emitting device

Details Light emitting device Light emitting device

2007-07-31

2007-07-31

Sember, Thomas M. (Department: 2885)

Illumination

Light source and modifier

Including reflector

C362S619000

Reexamination Certificate

active

11191997

ABSTRACT:
A light emitting device includes a mark body, a substrate arranged in back of the mark body, an LED mounted on an opposite surface of the substrate to the mark body, and a light guide arranged on a closer side of the substrate to the LED and having an upper surface serving as a light introducing surface for introducing LED-based light, a side surface serving as a light emitting surface and a backside subjected to a light diffuse reflection process to cause diffuse reflection by the backside. Incidentally, there can be provided a light emitting device that includes a light guide arranged on a closer side of the substrate to the LED and having an upper surface serving as a light introducing surface for introducing LED-based light, a side surface serving as a light emitting surface and a backside having a plurality of protrusions in a rib form.

REFERENCES:
patent: 5249104 (1993-09-01), Mizobe
patent: 6889456 (2005-05-01), Shibata et al.
patent: 2002/0034070 (2002-03-01), Kumagai
patent: 2003/0128537 (2003-07-01), Dorundo et al.
patent: 2004/0004827 (2004-01-01), Guest
patent: 5-1597 (1993-01-01), None
patent: 9-202178 (1997-08-01), None

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