Light-emitting diode device and manufacturing method thereof

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...

Reexamination Certificate

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C257SE33067, C257SE25032, C438S029000, C438S069000

Reexamination Certificate

active

07816703

ABSTRACT:
A light-emitting diode device includes an epitaxial layer, a current blocking layer and a current spreading layer. The current blocking layer is disposed on one side of the epitaxial layer and contacts with a portion of the epitaxial layer. The current spreading layer is disposed on one side of the epitaxial layer and contacts with at least a portion of the current blocking layer.

REFERENCES:
patent: 2004/0135166 (2004-07-01), Yamada et al.
patent: 2005/0087884 (2005-04-01), Stokes et al.
patent: 2005/0280022 (2005-12-01), Ueda et al.
patent: 2006/0138445 (2006-06-01), Zhao et al.
patent: 2006/0273341 (2006-12-01), Lee et al.
patent: 2007/0145381 (2007-06-01), Unno et al.
Sugawara et al., “High-brightness InGaAlP green light-emitting diodes”, 1992, Applied Phys. Lett., vol. 61, No. 15, pp. 1775-1777.

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