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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 11539003 B1

PDFFull Text
Date of Patent:
Dec. 27, 2022

Filed:

Dec. 11, 2017

Polycyclic aromatic amino compound

Applicants:

Kwansei Gakuin Educational Foundation, Nishinomiya, JP;

SK Materials Jnc Co., Ltd., Gyeonggi-do, KR;

Inventors:

Takuji Hatakeyama, Hyogo, JP;

Guofang Wang, Chiba, JP;

Yasuyuki Sasada, Chiba, JP;

Assignees:

Kwansei Gakuin Educational Foundation, Hyogo, JP;

SK Materials JNC Co., Ltd., Gyeonggi-do, KR;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Marla D McConnell

Assistant Examiner:

Rebecca E Richardson

Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/008 (2013.01); C07F 5/027 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5076 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01);
Abstract

By providing a novel polycyclic aromatic amino compound having an amino substituent and having a plurality of aromatic rings linked via a boron atom, an oxygen atom, or the like, for example, as in the following formula, a selection range of a material for an organic EL element is widened. In addition, by using the novel polycyclic aromatic amino compound as a material for an organic electroluminescent element, an excellent organic EL element is provided

Find Patent Forward Citations

Hatakeyama, Takuji. (2022). Polycyclic aromatic amino compound (U.S. Patent No. 11539003). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11539003

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

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