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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 12171108 B1

PDFFull Text
Date of Patent:
Dec. 17, 2024

Filed:

Jun. 25, 2021

Organic electroluminescence device

Applicant:

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

Inventor:

Hojung Syn, Seongnam-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 50/11 (2023.01); C09K 11/06 (2006.01); H10K 50/00 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/00 (2023.02); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 85/346 (2023.02); H10K 85/631 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2101/90 (2023.02); H10K 2102/351 (2023.02);
Abstract

An organic electroluminescence device according to an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an exciton diffusion layer disposed on the hole transport region and including a first host represented by Formula 1, an emission layer disposed on the exciton diffusion layer and including a second host, a third host, and a phosphorescent dopant, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The organic electroluminescence device exhibits high efficiency and a long service life.

Find Patent Forward Citations

Syn, Hojung. (2024). Organic electroluminescence device (U.S. Patent No. 12171108). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12171108

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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