logo

For the Inventor, By the Inventor

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 11018306 B1

PDFFull Text
Date of Patent:
May. 25, 2021

Filed:

Apr. 13, 2018

Compound for thermally activated delayed fluorescence and organic electroluminescence device including the same

Applicant:

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

Inventor:

Nobutaka Akashi, Yokohama, JP;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Lucas A Stelling

Assistant Examiner:

Rachel Simbana

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.

Find Patent Forward Citations

Akashi, Nobutaka. (2021). Compound for thermally activated delayed fluorescence and organic electroluminescence device including the same (U.S. Patent No. 11018306). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11018306

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

Loading…