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US Patent 7675077 Light-emitting diode and method for manufacturing the same

Patent 7675077 was granted and assigned to Epistar on March, 2010 by the United States Patent and Trademark Office.

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Patent
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Current Assignee
‌
Epistar
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
76750770
Patent Inventor Names
Schang-Jing Hon0
Shih-Chen Wei0
Shih-Chang Shei0
Juh-Yuh Su0
Date of Patent
March 9, 2010
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Patent Application Number
116270130
Date Filed
January 25, 2007
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Patent Primary Examiner
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Sue Purvis
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Patent abstract

A light-emitting diode (LED) and a method for manufacturing the same are described. The light-emitting diode comprises: a conductive substrate including a first surface and a second surface opposite to the first surface; a metal bonding layer deposed on the first surface of the conductive substrate; a reflective metal layer deposed on the metal bonding layer; an N-type semiconductor layer deposed on the reflective metal layer; an active layer deposed on the N-type semiconductor layer; a P-type semiconductor layer deposed on the active layer; a window layer deposed on the P-type semiconductor layer, wherein a thickness of the window layer is substantially at least 50 μm, and the window layer is composed of a transparent conductive material; and a P-type electrode deposed on the window layer.

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