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:
Jul. 19, 2022
Filed:
Aug. 30, 2019
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Ni Jiang, Beijing, CN;
Xiaohui Wu, Beijing, CN;
Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan Province, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
The present disclosure discloses a display substrate and a manufacturing method thereof, a display panel, and a display apparatus. The display substrate comprises: a base substrate, and display units on the base substrate; each of the display units comprises: an anode, a hole transporting layer, an electroluminescent layer, an electron transporting layer and a cathode, all of which are superposed in sequence; a plurality of nano-grooves are disposed on a surface of at least one of the hole transporting layer and the electron transporting layer, the surface is in contact with the electroluminescent layer; and a distance between any two adjacent nano-grooves is on a nanometric order of magnitude. The present disclosure is useful in improving the capability of the display units in resisting bending and preventing the display units from being ruptured due to a bending process.