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:
Jun. 23, 2020

Filed:

Nov. 23, 2017
Applicant:

Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Wuhan, Hubei, CN;

Inventor:

Cunjun Xia, Guangdong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/56 (2006.01); G09G 3/20 (2006.01); G09G 3/3208 (2016.01);
U.S. Cl.
CPC ...
H01L 27/3209 (2013.01); H01L 27/3246 (2013.01); H01L 27/3283 (2013.01); H01L 51/56 (2013.01); G09G 3/2003 (2013.01); G09G 3/3208 (2013.01);
Abstract

The present disclosure discloses an OLED display panel and a manufacturing method thereof, including: forming a first anode layer on a substrate; forming a conductive layer, a first pixel defining layer and a protective layer covering the conductive layer on the first anode layer; forming a first OLED pixel layer on the first anode layer; forming a first cathode layer on the OLED pixel layer; forming a second anode layer on the first cathode layer; forming a second OLED pixel layer on the second anode layer; and forming a second cathode layer on the second OLED pixel layer. In the above way, the times of the precision mask used in the manufacturing process is greatly reduced, and the space occupied by the stack structure in parallel with the three primary colors is greatly reduced, thereby greatly improving the pixel resolution.


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