Light-emitting device

Details Light-emitting device Light-emitting device

2008-07-22

2010-11-09

Bruce, David V (Department: 2875)

Illumination

Light source and modifier

Including translucent or transparent modifier

C362S223000

Reexamination Certificate

active

07828466

ABSTRACT:
A light-emitting device of a very simple configuration in which uniform LED light illumination can be obtained with a low light quantity loss, the device having a low production cost, improved emission characteristic and excellent cost efficiency and reliability. A transparent body is disposed in the vicinity of a LED, and a light-scattering layer that scatters the light of the LED is formed by coating on the light-illuminating surface of the transparent body through which the light of the LED passes. The light-scattering layer contains 2.5 parts by weight to 4 parts by weight of a filler and has a thickness of 5 μm to 20 μm.

REFERENCES:
patent: 6319425 (2001-11-01), Tasaki et al.
patent: 2006/0146531 (2006-07-01), Reo et al.
patent: 03-159362 (1991-07-01), None
patent: 2005-031596 (2005-02-01), None
patent: 2005-241869 (2005-09-01), None
patent: 2006-171256 (2006-06-01), None
patent: 2007-059163 (2007-03-01), None
patent: 2006-090858 (2006-08-01), None

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