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:
Apr. 02, 2024
Filed:
Dec. 01, 2020
Applicant:
Beijing Summer Sprout Technology Co., Ltd., Beijing, CN;
Inventors:
Huiqing Pang, Beijing, CN;
Ru Jia, Beijing, CN;
Zhihao Cui, Beijing, CN;
Xiao Chen, Beijing, CN;
Chuanjun Xia, Beijing, CN;
Chi Yuen Raymond Kwong, Beijing, CN;
Jing Wang, Beijing, CN;
Assignee:
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 85/60 (2023.01); H10K 50/155 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); H10K 85/631 (2023.02); H10K 50/155 (2023.02);
Abstract
Disclosed is an organic electroluminescence device. The organic electroluminescence device has an organic layer having a specific combination in which a hole transporting material is doped with a p-type conductive doped material. The organic electroluminescence device can provide better device performance, such as lifetime improvement and voltage reduction.