Display substrate and preparation method thereof, and display apparatus
US12238973B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 21, 2021 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Apr 21, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8731
Abstract
A display substrate includes a driving circuit layer arranged on a base and a light emitting structure layer arranged on one side, away from the base, of the driving circuit layer; the light emitting structure layer includes an anode, a pixel definition layer, an organic light emitting layer, a cathode, and an auxiliary electrode; the pixel definition layer has a first pixel opening exposing the anode and a second pixel opening exposing the auxiliary electrode; the organic light emitting layer connected to the anode and the cathode connected to the organic light emitting layer are arranged in the first pixel opening; the organic light emitting layer separated from the auxiliary electrode and the cathode located on one side, away from the base, of the organic light emitting layer are arranged in the second pixel opening; and the cathode is connected to the auxiliary electrode in the second pixel opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.