Display substrates and methods of manufacturing the same, display panels, and display apparatuses
US12225778B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Apr 9, 2021 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Jul 22, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/135
Abstract
A display substrate includes: a base substrate; a plurality of light-emitting structures provided on the base substrate; and a pixel definition layer provided on the base substrate and having a plurality of pixel openings, the pixel definition layer including a first definition layer and a second definition layer on the first definition layer, and the second definition layer being made of a conductive material, where each of the plurality of light-emitting structures includes a first electrode, a light-emitting material, and a second electrode, the first electrode is provided on the base substrate and located in a respective pixel opening, the light-emitting material is provided on the first electrode, and second electrodes of the plurality of light-emitting structures are provided on the light-emitting material, are structurally integrated, cover the pixel definition layer and are electrically connected with the second definition layer. A display panel, a display apparatus, and a method of manufacturing a display substrate are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.