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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 12559500 B1

PDFFull Text
Date of Patent:
Feb. 24, 2026

Filed:

Apr. 13, 2022

Light-emitting device and electronic apparatus including light-emitting device

Applicant:

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

Inventors:

Hyerim Kim, Yongin-si, KR;

Mikyung Kim, Yongin-si, KR;

Yon Namkoong, Yongin-si, KR;

Jihyun Seo, Yongin-si, KR;

Hyunsu Shin, Yongin-si, KR;

Hanbyul Jang, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Robert S Loewe

Int. Cl.
CPC ...
C07D 491/147 (2006.01); C07C 211/54 (2006.01); C07C 211/61 (2006.01); C07D 333/76 (2006.01); C07D 409/14 (2006.01); C07F 7/18 (2006.01); C09K 11/06 (2006.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/18 (2023.01); H10K 59/123 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
C07D 491/147 (2013.01); C07C 211/54 (2013.01); C07C 211/61 (2013.01); C07D 333/76 (2013.01); C07D 409/14 (2013.01); C07F 7/18 (2013.01); C09K 11/06 (2013.01); H10K 85/40 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); C07C 2603/97 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/181 (2023.02); H10K 59/123 (2023.02); H10K 85/615 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6576 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2102/351 (2023.02);
Abstract

Provided are a light-emitting device and an electronic apparatus. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and an electron blocking layer, the electron blocking layer includes a first electron blocking layer and a second electron blocking layer. The first electron blocking layer includes a first compound, the second electron blocking layer comprises a second compound, and the first compound is different from the second compound.

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