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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9515225 B1

PDFFull Text
Date of Patent:
Dec. 06, 2016

Filed:

Nov. 30, 2015

Light-emitting device

Applicant:

Epistar Corporation, Hsinchu, TW;

Inventors:

Ching-Huai Ni, Hsinchu, TW;

Chia-Liang Hsu, Hsinchu, TW;

Yi-Ming Chen, Hsinchu, TW;

Assignee:

EPISTAR CORPORATION, Hsinchu, TW;

Attorney:

Ditthavong & Steiner, P.C.

Primary Examiner:

Mohammad Choudhry

Int. Cl.
CPC ...
H01L 31/12 (2006.01); H01L 27/32 (2006.01); H01L 33/10 (2010.01); H01L 33/24 (2010.01); H01L 33/38 (2010.01); H01L 33/30 (2010.01); H01L 33/32 (2010.01); H01L 33/22 (2010.01);
U.S. Cl.
CPC ...
H01L 33/24 (2013.01); H01L 33/30 (2013.01); H01L 33/32 (2013.01); H01L 33/382 (2013.01); H01L 33/22 (2013.01);
Abstract

A light-emitting device of an embodiment of the present disclosure comprises a substrate; a semiconductor stack comprising a first type semiconductor layer, a second type semiconductor layer and an active layer formed between the first type semiconductor layer and the second type semiconductor layer, wherein the first type semiconductor layer comprises a non-planar roughened surface; a bonding layer formed between the substrate and the semiconductor stack; and multiple recesses each comprising a bottom surface lower than the non-planar roughened surface; and multiple buried electrodes physically buried in the first type semiconductor layer, wherein the multiple buried electrodes are formed in the multiple recesses respectively, and one of the multiple buried electrodes comprises an upper surface higher than the non-planar roughened surface of the first type semiconductor layer.

Find Patent Forward Citations

Ni, Ching-Huai. (2016). Light-emitting device (U.S. Patent No. 9515225). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9515225

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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