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:
Jan. 13, 2026
Filed:
Apr. 15, 2021
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Wei Li, Beijing, CN;
Jingjing Xia, Beijing, CN;
Bin Zhou, Beijing, CN;
Tongshang Su, Beijing, CN;
Qinghua Guo, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co,. Ltd., Hefei, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
The present disclosure provides an OLED display substrate, a method for preparing the same, and a flexible display device. The OLED display substrate includes a base substrate, and a thin film transistor, a first electrode and a light emitting layer sequentially arranged on the base substrate, the thin film transistor including an active layer, in which the OLED display substrate further includes a light shielding layer arranged between the active layer and the first electrode, and the light shielding layer also serves as an insulating layer of the OLED display substrate.