Display substrate and manufacturing method therefor, and display device
US12402521B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 10, 2021 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Jan 14, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
Abstract
A display substrate and a manufacturing method therefor, and a display device. The display substrate comprises a stretchable area, the stretchable area comprises multiple pixel island areas spaced apart from each other, multiple hole areas, and connection bridge areas located between the pixel island areas and the hole areas; each of the hole areas is provided with one or more openings, and comprises a composite structural layer stacked on the substrate, each of the openings penetrates through the composite structural layer and a part of the opening is provided in the substrate, the opening penetrates through or does not penetrate through the substrate, and the wall of the opening is provided with separation grooves; and each of the hole areas further comprises a functional film layer provided on the composite structural layer and on the wall of each opening, and the functional film layer is separated at the separation grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.