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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 12628493 B1

PDFFull Text
Date of Patent:
May. 12, 2026

Filed:

Feb. 22, 2022

Light-emitting device and electronic apparatus including the same

Applicant:

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

Inventors:

Seulong Kim, Yongin-si, KR;

Hyein Jeong, Yongin-si, KR;

Assignee:

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

Attorney:

Lerner David LLP

Primary Examiner:

Gregory D Clark

Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/165 (2023.01); H10K 59/12 (2023.01); H10K 59/35 (2023.01); H10K 59/80 (2023.01); H10K 85/60 (2023.01); H10K 59/122 (2023.01); H10K 101/20 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 50/11 (2023.02); H10K 50/156 (2023.02); H10K 50/165 (2023.02); H10K 50/166 (2023.02); H10K 59/12 (2023.02); H10K 59/35 (2023.02); H10K 59/8052 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 59/122 (2023.02); H10K 2101/20 (2023.02); H10K 2101/40 (2023.02);
Abstract

Provided are a light-emitting device and an electron apparatus including the same. 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 transport region, the emission layer includes a host and a dopant, the electron transport region is disposed between the emission layer and the second electrode and includes a first electron transport layer and a second electron transport layer, the first electron transport layer includes a first electron-transporting material, a lowest excitation triplet (T) energy level of the first electron-transporting material is greater than a Tenergy level of the dopant in the emission layer, and the second electron transport layer includes a second electron-transporting material and a metal dopant.

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