MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202517065547 A) filed by Boe Technology Group Co. Ltd.; and Yunnan Invensight Optoelectronics Technology Co. Ltd., Beijing, on July 9, for 'display substrate and manufacturing method therefor, and display device.'
Inventor(s) include Yang, Yifan; Zhang, Fugang; Kong, Lingchen; Hou, Xiaoyan; Tan, Bin; and Zhang, Dacheng.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "A display substrate and a manufacturing method therefor, and a display device. The display substrate comprises a plurality of first electrodes (31) and a plurality of pixel definition structures (32) which are arranged on a base substrate (10), wherein each pixel definition structure (32) is arranged between adjacent first electrodes (31), and forms a pixel opening (35) exposing the first electrodes (31); and each pixel definition structure (32) comprises at least a first insulating layer (101), a second insulating layer (102), a third insulating layer (103) and a fourth insulating layer (104). The orthographic projection of the second insulating layer (102) on the base substrate (10) at least partially overlaps the orthographic projection of the first electrode (31) on the base substrate (10); second recesses (106) are provided in the surface of the second insulating layer (102); and an inner wall on the side of each second recess (106) close to the base substrate (10) is located between the surface on the side of the first electrode (31) away from the base substrate (10) and the surface on the side of the first electrode (31) close to the base substrate (10)."
The patent application was internationally filed on Oct. 18, 2023, under International application No.PCT/CN2023/125283.
Disclaimer: Curated by HT Syndication.