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.:
Date of Patent:
Nov. 02, 2021
Filed:
Jul. 01, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-Si, KR;
Inventor:
Hiroaki Itoi, Yokohama, JP;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07D 251/12 (2006.01); C07D 239/24 (2006.01); C07D 209/82 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 209/82 (2013.01); C07D 239/24 (2013.01); C07D 251/12 (2013.01); C09K 11/06 (2013.01);
Abstract
A heterocyclic compound represented by Formula 1 and an organic electroluminescence device including the same in an emission layer. In Formula 1, Z is represented by Formula 2-1 or 2-2. In Formula 2-2, Xto Xare each independently CRor N, and at least one of Xto Xis N.