Vertical type nitride semiconductor light emitting device...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure

Reexamination Certificate

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C257S094000, C257S096000, C257S103000, C257S449000, C257SE33051

Reexamination Certificate

active

07906785

ABSTRACT:
A vertical nitride semiconductor light emitting device and a manufacturing method thereof are provided. In the device, an ohmic contact layer, a p-type nitride semiconductor layer, an active layer, an n-type nitride semiconductor layer and an n-electrode are sequentially formed on a conductive substrate. At least one of a surface of the p-type nitride semiconductor layer contacting the ohmic contact layer and a surface of the n-type nitride layer contacting the n-electrode has a high resistance area of damaged nitride single crystal in a substantially central portion thereof. The high resistance area has a Schottky junction with at least one of the ohmic contact layer and the n-electrode.

REFERENCES:
patent: 6936864 (2005-08-01), Kondo
patent: 7057212 (2006-06-01), Kim et al.
patent: 7453098 (2008-11-01), Lai et al.
patent: 2006/0002442 (2006-01-01), Haberern et al.
patent: 11-186600 (1999-07-01), None
patent: 2004-193338 (2004-07-01), None
Japanese Office Action, w/ English translation thereof, issued in Japanese Patent Application No. JP 2006-298298772 dated Mar. 2, 2010.

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