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:
Nov. 24, 2020
Filed:
Aug. 08, 2018
Shanghai Tianma Am-oled Co., Ltd., Shanghai, CN;
Xiangcheng Wang, Shanghai, CN;
Jinghua Niu, Shanghai, CN;
Ding Li, Shanghai, CN;
Ping An, Shanghai, CN;
SHANGHAI TIANMA AM-OLED CO., LTD., Shanghai, CN;
Abstract
An organic light-emitting display panel includes an array substrate, a plurality of driving elements in the array substrate, and an organic light-emitting component corresponding to the driving elements, where the organic light-emitting component includes an anode, a cathode, and an organic functional layer between the anode and the cathode, the organic functional layer includes a light-emitting layer and a first electron transport layer between the light-emitting layer and the cathode, the organic light-emitting device includes a first organic light-emitting part containing a first color light-emitting layer, a second organic light-emitting part containing a second color light-emitting layer, and a third organic light-emitting part containing a third color light-emitting layer, a second electron transport layer is disposed between the first color light-emitting layer and the cathode, and a first and a second hole transport layers are disposed between the anode and the second and the third color light-emitting layers, respectively.