Light emitting device

Details Light emitting device Light emitting device

2006-01-06

2009-02-10

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Light diffusing

C313S498000, C313S506000

Reexamination Certificate

active

07489068

ABSTRACT:
A light emitting device having a transparent substrate, a light emitting stack, and a transparent adhesive layer is provided. The light emitting stack is disposed above the transparent substrate and comprises a diffusing surface. The transparent adhesive layer is disposed between the transparent substrate and the diffusing surface of the light emitting stack; an index of refraction of the light emitting stack is different from that of the transparent adhesive layer.

REFERENCES:
patent: 6442184 (2002-08-01), Ota et al.
patent: 6657236 (2003-12-01), Thibeault et al.
patent: 2002/0017652 (2002-02-01), Illek et al.
patent: 2004/0104672 (2004-06-01), Shiang et al.
patent: 544958 (1992-08-01), None

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