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.:
Date of Patent:
Oct. 21, 2014
Filed:
Aug. 28, 2013
Seoul Opto Device Co., Ltd., Ansan-si, KR;
Chung Hoon Lee, Ansan-si, KR;
James S. Speck, Santa Barbara, CA (US);
Hong San Kim, Ansan-si, KR;
Jae Jo Kim, Ansan-si, KR;
Sung Han Kim, Ansan-si, KR;
Jae Ho Lee, Ansan-si, KR;
Seoul Viosys Co., Ltd., Ansan-si, KR;
Abstract
Exemplary embodiments of the present invention disclose a light-emitting device including a first power source connection terminal and a second power source connection terminal, the first and second power source connection terminals configured to be connected to an external power source, and a plurality of light emitting cell arrays, each of the plurality of light emitting cell arrays being connected in parallel to one another between the first and the second power source connection terminals, each of the plurality of light emitting cell arrays comprising serially connected light emitting cells. Each of the light emitting cells includes a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, and an electrode pad disposed on the second conductivity-type semiconductor layer.