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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 12069946 B1

PDFFull Text
Date of Patent:
Aug. 20, 2024

Filed:

Feb. 26, 2021

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

Applicant:

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

Inventors:

Nobutaka Akashi, Yokohama, JP;

Hirokazu Kuwabara, Yokohama, JP;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Rosalynd A Keys

Int. Cl.
CPC ...
H10K 85/40 (2023.01); C07F 5/02 (2006.01); H10K 50/12 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/805 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 85/656 (2023.02); C07F 5/027 (2013.01); H10K 50/12 (2023.02); H10K 85/40 (2023.02); H10K 85/636 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/805 (2023.02);
Abstract

An organic electroluminescence device of one or more embodiments 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, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency: wherein Y is O or S.

Find Patent Forward Citations

Akashi, Nobutaka. (2024). Organic electroluminescence device and polycyclic compound for organic electroluminescence device (U.S. Patent No. 12069946). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12069946

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

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