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:
Feb. 18, 2020
Filed:
Nov. 01, 2017
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, Guangdong, CN;
Jia Tang, Shenzhen, CN;
Xiaoxing Zhang, Shenzhen, CN;
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Shenzhen, Guangdong, CN;
Abstract
The present invention provides a method for manufacturing an organic light emitting diode (OLED) display panel, the method comprises: a step Sof providing a thin film transistor (TFT) array substrate, the TFT array substrate comprising protrusions formed on a surface of the TFT array substrate; a step Sof forming a first planarization layer on the surface of the TFT array substrate; and a step Sof forming a second planarization layer on a surface of the first planarization layer.