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 12628552 B1

Date of Patent:

May. 12, 2026

Filed:

Jun. 25, 2021

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

Applicant:

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

Inventors:

Beomjin Kim, Yongin-si, KR;

Yeongji Im, Yongin-si, KR;

Jino Lim, Yongin-si, KR;

Seunggak Yang, Yongin-si, KR;

Assignee:

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

Attorney:

Lerner David LLP

Primary Examiner:

Elizabeth M Dahlburg

Int. Cl.

CPC ...

H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 85/00 (2023.01);

U.S. Cl.

CPC ...

H10K 85/615 (2023.02); H10K 85/00 (2023.02); H10K 85/633 (2023.02); H10K 85/6572 (2023.02); H10K 50/15 (2023.02); H10K 50/156 (2023.02);

Abstract

A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and the first electrode. The hole transport region includes at least one first compound includingN in the number of m,N in the number of mis linked to a neighboring carbon (C) via a single bond, mis an integer equal to or greater than 1, and the first compound is not Compound A in the specification.

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