Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction
Reexamination Certificate
2011-02-08
2011-02-08
Le, Dung A. (Department: 2818)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With heterojunction
C257S088000, C257S090000, C257S098000, C257SE23067
Reexamination Certificate
active
07884380
ABSTRACT:
This invention discloses a light emitting semiconductor device including a light-emitting structure and an external optical element. The optical element couples to the light-emitting structure circumferentially. In addition, the refractive index of the external optical element is greater than or about the same as that of a transparent substrate of the light-emitting structure, or in-between that of the transparent substrate and the encapsulant material.
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Bacon & Thomas PLLC
Epistar Corporation
Le Dung A.
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