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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 12302748 B1

PDFFull Text
Date of Patent:
May. 13, 2025

Filed:

Apr. 19, 2021

Light-emitting device and electronic apparatus including the same

Applicant:

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

Inventors:

Jungsub Lee, Yongin-si, KR;

Hyein Jeong, Yongin-si, KR;

Assignee:

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

Attorney:

KILE PARK REED & HOUTTEMAN PLLC

Primary Examiner:

Jeffrey D Washville

Int. Cl.
CPC ...
H10K 85/40 (2023.01); C07F 7/08 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/40 (2023.02); C07F 7/0812 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 2101/10 (2023.02);
Abstract

A light-emitting device includes a first electrode, a second electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and an electron auxiliary layer disposed between the second electrode and the emission layer. The emission layer includes a first material, the electron auxiliary layer includes a second material, and the first material and the second material are each independently represented by Formula 1:

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Lee, Jungsub. (2025). Light-emitting device and electronic apparatus including the same (U.S. Patent No. 12302748). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12302748

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