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.

Date of Patent:
Mar. 30, 2021

Filed:

Jan. 10, 2019
Applicant:

Shanghai Tianma Am-oled Co., Ltd., Shanghai, CN;

Inventors:

Weili Qiao, Shanghai, CN;

Jinghua Niu, Shanghai, CN;

Xiaoqian Sun, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5221 (2013.01); H01L 27/3244 (2013.01); H01L 51/5004 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5262 (2013.01); H01L 2251/552 (2013.01);
Abstract

Provided are an organic light-emitting display panel and an organic light-emitting display apparatus. The organic light-emitting display panel includes an array base substrate including a plurality of driving elements, and includes a plurality of organic light-emitting devices. Each of the plurality of organic light-emitting devices is corresponding to a respective one of the plurality of driving elements, and the each of the plurality of organic light-emitting devices includes an anode and a cathode, a cathode, an organic luminous layer, an electron transport layer, and a transition layer. The organic luminous layer is disposed between the anode and the cathode, the electron transport layer is disposed between the luminous layer and the cathode, and the transition layer is disposed between the cathode and the electron transport layer, and the transition layer includes an organic material.


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