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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 12757632 B1

PDFFull Text
Date of Patent:
Oct. 06, 2026

Filed:

Aug. 06, 2020

Organic light-emitting device and apparatus including the same

Applicant:

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

Inventors:

Minkyung Kim, Yongin-si, KR;

Heejoo Ko, Yongin-si, KR;

Jonghyeon Lee, Yongin-si, KR;

Hangeul Lee, Yongin-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Braelyn R Watson

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 409/14 (2006.01); C07D 495/04 (2006.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 59/123 (2023.01); H10K 85/30 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 50/135 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 409/14 (2013.01); C07D 495/04 (2013.01); C07F 15/0086 (2013.01); C09K 11/06 (2013.01); H10K 59/123 (2023.02); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/657 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1018 (2013.01); C09K 2211/1048 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/135 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/90 (2023.02);
Abstract

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer having a first emission layer, a second emission layer between the first emission layer and the second electrode, and at least one auxiliary layer, having a first host or a second host, the first emission layer may include a first host, a second host, and a first dopant; and the second emission layer may include a first host, a second host, and a second dopant; wherein the second host may include at least one of an electron transport host and a bipolar host; the first dopant and the second dopant, each may include, independently from one another, at least one of a phosphorescent organometallic compound and a thermally activated delayed fluorescence ('TADF') compound satisfying Equation 1 as defined herein.

Find Patent Forward Citations

Kim, Minkyung. (2026). Organic light-emitting device and apparatus including the same (U.S. Patent No. 12757632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12757632

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

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