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:
Mar. 28, 2023
Filed:
May. 26, 2021
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Wei Zhang, Beijing, CN;
Chao Kong, Beijing, CN;
Yifan Yang, Beijing, CN;
Long Chen, Beijing, CN;
Lingjun Dai, Beijing, CN;
De Yuan, Beijing, CN;
Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
An organic-light-emitting-diode device and a fabricating method thereof, a displaying base plate and a displaying device, wherein the organic-light-emitting-diode device includes a substrate, and an anode layer, an organic functional layer and a cathode layer that are provided in stacking on one side of the substrate, wherein the organic functional layer includes a first functional layer, a second functional layer and a light emitting layer that are provided in stacking, and the first functional layer is provided closer to the anode layer; and a HOMO energy level of the second functional layer is deeper than both of a HOMO energy level of the first functional layer and a HOMO energy level of a host material of the light emitting layer.