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:
Jul. 13, 2021
Filed:
Apr. 30, 2019
Applicants:
Kunshan Go-visionox Opto-electronics Co., Ltd., Kunshan, CN;
Tsinghua University, Beijing, CN;
Inventors:
Lian Duan, Kunshan, CN;
Yilang Li, Kunshan, CN;
Xiaozeng Song, Kunshan, CN;
Dongdong Zhang, Kunshan, CN;
Guomeng Li, Kunshan, CN;
Assignees:
KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., Kunshan, CN;
TSINGHUA UNIVERSITY, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/006 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0074 (2013.01); H01L 51/5092 (2013.01); H01L 51/007 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01);
Abstract
The present application discloses an organic electroluminescent device including a host material and guest material, the host material is an exciplex formed by electron donor material and electron receptor material, the guest material is thermal activated delayed fluorescent material, a singlet energy level of the host material is lower than a singlet energy level of the guest material.