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:
Oct. 28, 2025
Filed:
Dec. 10, 2021
Beijing Summer Sprout Technology Co., Ltd., Beijing, CN;
Chi Yuen Raymond Kwong, Beijing, CN;
Jianfei Yao, Beijing, CN;
Zhen Wang, Beijing, CN;
Feng Li, Beijing, CN;
Yang Wang, Beijing, CN;
Junfei Wang, Beijing, CN;
Gang Yang, Beijing, CN;
Hongbo Li, Beijing, CN;
Ming Sang, Beijing, CN;
Wei Cai, Beijing, CN;
Chuanjun Xia, Beijing, CN;
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
Provided is an organic electroluminescent device. The organic electroluminescent device has a first metal complex containing a ligand with a structure of Formula 1 and a first compound with a structure of Formula 2. Compared with the related art, a combination of such two compounds can significantly improve performance of the organic electroluminescent device, such as external quantum efficiency, power efficiency and current efficiency of the device. Further provided are an electronic apparatus including the organic electroluminescent device and a compound composition containing the first metal complex and the first compound.