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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 12448564 B1

PDFFull Text
Date of Patent:
Oct. 21, 2025

Filed:

Feb. 03, 2020

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

Applicant:

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

Inventors:

Heechoon Ahn, Seoul, KR;

Soo-Byung Ko, Yongin-si, KR;

Hyeongmin Kim, Suwon-si, KR;

Hyunah Um, Seoul, KR;

Yeseul Lee, Busan, KR;

Yirang Im, Daejeon, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C07F 5/027 (2013.01); H10K 85/322 (2023.02); H10K 85/658 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 2101/10 (2023.02);
Abstract

An organic electroluminescence device having high luminous efficiency includes: a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1 to achieve high luminous efficiency.

Find Patent Forward Citations

Ahn, Heechoon. (2025). Organic electroluminescence device and polycyclic compound for organic electroluminescence device (U.S. Patent No. 12448564). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12448564

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

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