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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 12382828 B1

PDFFull Text
Date of Patent:
Aug. 05, 2025

Filed:

Feb. 03, 2022

Light-emitting device and electronic apparatus including the same

Applicant:

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

Inventors:

Jonghyeon Lee, Yongin-si, KR;

Hangeul Lee, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:

KILE PARK REED & HOUTTEMAN PLLC

Primary Examiner:

Robert S Loewe

Int. Cl.
CPC ...
H10K 50/12 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); H10K 85/40 (2023.02); H10K 85/626 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 2101/10 (2023.02);
Abstract

Provided are a light-emitting device and an electronic apparatus including the light-emitting device. 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 n-doping layer disposed between the emission layer and the second electrode. The emission layer includes a first compound, a second compound, and a light-emitting dopant, the n-doping layer includes a third compound and an n-dopant, and does not include the light-emitting dopant, the first compound includes a hole transport host, the second compound and the third compound each independently include an electron transport host, a bipolar host, or any combination thereof, and the second compound and the third compound are identical to or different from each other.

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