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.

Date of Patent:
Dec. 16, 2025

Filed:

Sep. 03, 2019
Applicant:

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

Inventor:

Takao Sakuma, Tsurumi-ku, JP;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 311/78 (2006.01); C07D 311/82 (2006.01); C07D 335/04 (2006.01); C07D 335/12 (2006.01); C07D 407/10 (2006.01); C07D 409/10 (2006.01); H10K 50/15 (2023.01); H10K 50/18 (2023.01); H10K 50/85 (2023.01);
U.S. Cl.
CPC ...
H10K 85/631 (2023.02); C07D 311/78 (2013.01); C07D 311/82 (2013.01); C07D 335/04 (2013.01); C07D 335/12 (2013.01); C07D 407/10 (2013.01); C07D 409/10 (2013.01); H10K 85/615 (2023.02); H10K 85/653 (2023.02); H10K 85/655 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/15 (2023.02); H10K 50/18 (2023.02); H10K 50/85 (2023.02);
Abstract

An organic electroluminescence device includes oppositely disposed first electrode and second electrode, and at least one organic layer disposed between the first electrode and the second electrode, wherein at least one organic layer includes a polycyclic compound represented by Formula 1, thereby showing improved device efficiency and life characteristics.


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