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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 11158831 B1

PDFFull Text
Date of Patent:
Oct. 26, 2021

Filed:

Sep. 04, 2019

Organic light-emitting device

Applicant:

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

Inventors:

Jaehyun Lee, Yongin-si, KR;

Mikyung Kim, Yongin-si, KR;

Seunggak Yang, Yongin-si, KR;

Jiwon Kwak, Yongin-si, KR;

Namwoo Kim, Yongin-si, KR;

Byounghee Park, Yongin-si, KR;

Hanbyul Jang, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Mary A Wilczewski

Assistant Examiner:

Tsz K Chiu

Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/504 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01);
Abstract

An organic light-emitting device is provided. The organic light-emitting device includes: an anode; a cathode; and an organic layer between the anode and the cathode and including an emission layer, wherein the emission layer includes a first emission layer including a first host, a second host, and a first dopant, and a second emission layer including a third host, a fourth host, and a second dopant, and the organic light-emitting device satisfies Equations 1 and 2.

Find Patent Forward Citations

Lee, Jaehyun. (2021). Organic light-emitting device (U.S. Patent No. 11158831). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11158831

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

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