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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 9012944 B1

PDFFull Text
Date of Patent:
Apr. 21, 2015

Filed:

Aug. 16, 2013

Light emitting device, light emitting device package and illumination system for reducing dislocation in semiconductor layer

Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Ho Sang Yoon, Seoul, KR;

Sang Kyun Shim, Seoul, KR;

Assignee:

LG Innotek Co., Ltd., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Michael Jung

Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 29/15 (2006.01); H01L 33/12 (2010.01); H01L 33/32 (2010.01);
U.S. Cl.
CPC ...
H01L 33/0025 (2013.01); H01L 33/12 (2013.01); H01L 33/32 (2013.01); H01L 2924/0002 (2013.01); H01L 2224/48091 (2013.01);
Abstract

A light emitting device is provided. The light emitting device includes a first semiconductor layer, an uneven part on the first semiconductor layer, a first nonconductive layer including a plurality of clusters on the uneven part, a first substrate layer on the nonconductive layer, and a light emitting structure layer. The light emitting structure layer includes a first conductive type semiconductor layer, an active layer and a second conductive type semiconductor layer on the first substrate layer.

Find Patent Forward Citations

Yoon, Ho. (2015). Light emitting device, light emitting device package and illumination system for reducing dislocation in semiconductor layer (U.S. Patent No. 9012944). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9012944

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

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