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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 12745559 B1

PDFFull Text
Date of Patent:
Sep. 22, 2026

Filed:

Feb. 18, 2022

Light-emitting device and electronic apparatus including the same

Applicant:

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

Inventors:

Jaeweon Hur, Yongin-si, KR;

Seulong Kim, Yongin-si, KR;

Hyein Jeong, Yongin-si, KR;

Soungwook Kim, Yongin-si, KR;

Sungsoo Bae, Yongin-si, KR;

Hyewon Choi, 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); C07D 471/04 (2006.01); C07D 487/04 (2006.01); C07D 491/048 (2006.01); C07D 519/00 (2006.01); C07F 9/547 (2006.01); C07F 9/576 (2006.01); C07F 9/58 (2006.01); C07F 9/655 (2006.01); C07F 9/6553 (2006.01); C07F 9/6564 (2006.01); H10K 50/16 (2023.01); H10K 50/165 (2023.01); H10K 59/12 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H10K 85/615 (2023.02); C07D 471/04 (2013.01); C07D 487/04 (2013.01); C07D 491/048 (2013.01); C07D 519/00 (2013.01); C07F 9/547 (2013.01); C07F 9/5765 (2013.01); C07F 9/58 (2013.01); C07F 9/65517 (2013.01); C07F 9/655354 (2013.01); C07F 9/6564 (2013.01); H10K 50/165 (2023.02); H10K 50/166 (2023.02); H10K 85/649 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 59/12 (2023.02); H10K 59/8052 (2023.02); H10K 59/875 (2023.02);
Abstract

Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode; and an electron transport capping layer located outside the second electrode, wherein the interlayer includes an emission layer and an electron transport region, one of the electron transport region and the electron transport capping layer includes a first compound represented by Formula 1, and the other one includes the first compound, a second compound represented by Formula 2, or a combination thereof, and the electron transport region further includes a metal dopant:

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