Organic light emitting diode display substrate, preparation method and repair method therefor and organic light emitting diode display apparatus
US12150371B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 20, 2020 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Jul 18, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/861
Abstract
A display substrate, a preparation method and a repair method thereof, and a display apparatus. The display substrate includes a driver circuit layer and an emissive structure layer overlappingly disposed on a base, the driver circuit layer including a drive transistor, an auxiliary cathode wire and a repair electrode, an anode of the emissive structure layer being connected to a drain electrode of the drive transistor, a cathode of the emissive structure layer being connected to the auxiliary cathode wire, and the repair electrode being configured so as to connect the drain electrode of the drive transistor and the auxiliary cathode wire when repairing a bright spot defect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.