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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 9620682 B1

PDFFull Text
Date of Patent:
Apr. 11, 2017

Filed:

Dec. 14, 2015

Light emitting device

Applicant:

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

Inventors:

Sung Kyoon Kim, Seoul, KR;

Yun Kyung Oh, Seoul, KR;

Sung Ho Choo, Seoul, KR;

Assignee:

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

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Karen Kusumakar

Int. Cl.
CPC ...
H01L 33/40 (2010.01); H01L 27/15 (2006.01); H01L 33/06 (2010.01); H01L 33/08 (2010.01); H01L 33/32 (2010.01); H01L 33/38 (2010.01); H01L 33/24 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H01L 33/405 (2013.01); H01L 27/15 (2013.01); H01L 27/156 (2013.01); H01L 33/06 (2013.01); H01L 33/08 (2013.01); H01L 33/32 (2013.01); H01L 33/387 (2013.01); H01L 33/24 (2013.01); H01L 33/62 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/48257 (2013.01); H01L 2924/12032 (2013.01);
Abstract

A light emitting device includes a light emitting structure having a plurality of light emitting regions including a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode in one of the light emitting regions, a second electrode in another of the light emitting regions, and at least one connection electrode to sequentially connect the light emitting regions in series. The light emitting regions connected in series are divided into 1st to ith light emitting region groups. Areas of light emitting regions that belong to different groups are different. An area of a light emitting region which is more frequently used among the plurality of light emitting regions is larger than an area of a light emitting region which is less frequently used among the plurality of light emitting regions.

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