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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 12245496 B1

PDFFull Text
Date of Patent:
Mar. 04, 2025

Filed:

Aug. 16, 2021

Light emitting device

Applicant:

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

Inventors:

Sun Young Pak, Suwon-si, KR;

Taeil Kim, Hwaseong-si, KR;

Junha Park, Gwacheon-si, KR;

Jang Yeol Baek, Yongin-si, KR;

Kyoung Sunwoo, Hwaseong-si, KR;

Mun-Ki Sim, Seoul, KR;

Chanseok Oh, Seoul, KR;

Minjung Jung, Gangwon-do, KR;

Assignee:

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

Attorney:

KILE PARK REED & HOUTTEMAN PLLC

Primary Examiner:

Shane Fang

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/13 (2023.01); H10K 50/15 (2023.01); H10K 50/18 (2023.01); H10K 59/12 (2023.01); H10K 59/38 (2023.01); H10K 85/30 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/322 (2023.02); C07F 5/027 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 2101/10 (2023.02);
Abstract

A light emitting device according to an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a fused polycyclic compound represented by Formula 1, which is defined in the specification.

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