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:
Aug. 17, 2021
Filed:
Apr. 20, 2017
Shanghai Tianma Am-oled Co., Ltd., Shanghai, CN;
Tianma Micro-electronics Co., Ltd., Shenzhen, CN;
Yuji Hamada, Shanghai, CN;
Shuang Cheng, Shanghai, CN;
Xiangcheng Wang, Shanghai, CN;
Jinghua Niu, Shanghai, CN;
Zhihong Lei, Shanghai, CN;
Shanghai Tianma AM-OLED Co., Ltd., Shanghai, CN;
Tianma Micro-Electronics Co., Ltd., Shenzhen, CN;
Abstract
An organic light-emitting display panel and an electronic device thereof are provided. The organic light-emitting display panel comprises a substrate, and a first electrode, a first light-emitting material layer, a second light-emitting material layer, and a second electrode disposed above the substrate in a preset order. The first light-emitting material layer includes at least one P-type host material and at least one N-type host, material, and a total volume percentage content of the P-type host material is more than a total volume percentage content of the N-type host material. The second light-emitting material layer includes at least one P-type host material and at least one N-type host material, and a total volume percentage content of the N-type host material is more than a total volume percentage content of the P-type host material.