Patent · US Active

Display substrate, with inverted trapezoid-shaped isolation structure, method for manufacturing the same and display device

US11800742B2 · kind B2 · utility

1Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2022
Grant dateOct 24, 2023
Priority date
Expiry dateMar 21, 2042

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/549
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Provided are a display substrate, a method for manufacturing the display substrate, and a display device. The display substrate includes a display area, the display area including an opening area and an effective display area outside the opening area, wherein the display substrate includes: an array structure layer located in the effective display area; an isolation structure provided on a surface of the array structure layer surrounding the opening area, wherein the isolation structure has a first sidewall with an slope angle of greater than or equal to 90°; a first inorganic thin film covering the isolation structure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.