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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 12765257 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Dec. 22, 2021

Organic light-emitting device and an apparatus including the same

Applicant:

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

Inventors:

Sungsoo Bae, Yongin-si, KR;

Soungwook Kim, Yongin-si, KR;

Seulong Kim, Yongin-si, KR;

Hyein Jeong, Yongin-si, KR;

Hyewon Choi, Yongin-si, KR;

Jaeweon Hur, Yongin-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Elizabeth M Dahlburg

Int. Cl.
CPC ...
H10K 85/60 (2023.01); H10K 50/12 (2023.01); H10K 50/13 (2023.01); H10K 85/30 (2023.01); H10K 50/85 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/626 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 50/12 (2023.02); H10K 50/13 (2023.02); H10K 50/85 (2023.02); H10K 59/12 (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, wherein the organic layer includes: an emission region; a hole transport region between the first electrode and the emission region; and an electron transport region between the emission region and the second electrode, the emission region includes a first emission layer proximate to the hole transport region and a second emission layer proximate to the electron transport region, the first emission layer and the second emission layer are different from each other, and Equation 1 is satisfied, as described herein.

Find Patent Forward Citations

Bae, Sungsoo. (2026). Organic light-emitting device and an apparatus including the same (U.S. Patent No. 12765257). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12765257

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