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:
Aug. 06, 2024
Filed:
Dec. 29, 2020
Hefei Boe Optoelectronics Technology Co., Ltd., Hefei, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Kui Gong, Beijing, CN;
Xianxue Duan, Beijing, CN;
Haifeng Cui, Beijing, CN;
Tianzhen Liu, Beijing, CN;
Zhihai Zhang, Beijing, CN;
Hefei BOE Optoelectronics Technology Co., Ltd., Anhui, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
The present disclosure relates to the field of display technology, and discloses a display substrate, a preparation method thereof, and a display panel, used for improving the structure of the display substrate, improving characteristics of a thin film transistor, and increasing the yield of a display product. The display substrate includes: a base substrate; a thin film transistor on the base substrate; and a flattening layer on a side, away from the base substrate, of the thin film transistor, wherein the flattening layer is provided with a groove around a channel area of the thin film transistor, and an orthographic projection of the groove on the base substrate is not overlapped with an orthographic projection of the channel area on the base substrate.