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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 12772729 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Jan. 04, 2023

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

Applicant:

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

Inventors:

Dongchan Lee, Yongin-si, KR;

Jinwon Sun, Yongin-si, KR;

Eunhye Song, Yongin-si, KR;

Jonghyeon Lee, Yongin-si, KR;

Pyungeun Jeon, Yongin-si, KR;

Changwoong Chu, Yongin-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Robert S Loewe

Int. Cl.
CPC ...
H10K 50/11 (2023.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/16 (2023.01); H10K 59/12 (2023.01); H10K 101/00 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C09K 11/06 (2013.01); H10K 85/346 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/166 (2023.02); H10K 59/12 (2023.02); H10K 2101/40 (2023.02); H10K 2101/90 (2023.02);
Abstract

A light-emitting device includes an electron transport region including a first electron transport layer and a second electron transport layer. The first electron transport layer includes a first compound, the second electron transport layer includes a second compound, the first compound includes a pyrimidine group, the second compound includes a triazine group, and an absolute value of a lowest unoccupied molecular orbital (LUMO) energy of the first compound (E) is less than an absolute value of a LUMO energy of the second compound (E). An electronic apparatus including the light-emitting device.

Find Patent Forward Citations

Lee, Dongchan. (2026). Light-emitting device and electronic apparatus including the light-emitting device (U.S. Patent No. 12772729). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12772729

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

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