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:
May. 25, 2021
Filed:
Apr. 13, 2018
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventor:
Nobutaka Akashi, Yokohama, JP;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/10 (2006.01); C07D 519/00 (2006.01); C07F 5/02 (2006.01); C07F 7/08 (2006.01); C07F 7/30 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 471/10 (2013.01); C07D 519/00 (2013.01); C07F 5/027 (2013.01); C07F 7/0816 (2013.01); C07F 7/30 (2013.01); C09K 11/06 (2013.01); H01L 51/008 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); H01L 51/0077 (2013.01); H01L 51/0094 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/188 (2013.01); H01L 51/508 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5064 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01);
Abstract
Provided are a compound for thermally activated delayed fluorescence having a molecular aspect ratio of 1.5 or more, represented by the following Formula 1 and an organic electroluminescence device including the same in an emission layer. The organic electroluminescence device 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.