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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 10056562 B1

PDFFull Text
Date of Patent:
Aug. 21, 2018

Filed:

Feb. 06, 2017

Organic light-emitting device

Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Naoyuki Ito, Yongin-si, KR;

Seul-Ong Kim, Yongin-si, KR;

Youn-Sun Kim, Yongin-si, KR;

Dong-Woo Shin, Yongin-si, KR;

Jung-Sub Lee, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Kenneth Parker

Assistant Examiner:

Long H Le

Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 27/3248 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0059 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0074 (2013.01); H01L 51/0085 (2013.01); H01L 51/5028 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 27/3244 (2013.01); H01L 51/0081 (2013.01); H01L 51/5004 (2013.01); H01L 51/506 (2013.01); H01L 51/5008 (2013.01); H01L 51/5016 (2013.01); H01L 51/5096 (2013.01); H01L 2251/5384 (2013.01); H01L 2251/552 (2013.01);
Abstract

An organic light-emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode, wherein the organic layer includes a mixed organic layer, and the mixed organic layer includes at least two different compounds, and a triplet energy of at least one compound of the at least two different compounds is 2.2 eV or higher. The organic light-emitting device according to embodiments of the present invention may have a low driving voltage, a high efficiency, and a long lifespan.

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