OLED display panel
US11462598B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Apr 2, 2019 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Sep 30, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/65
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An organic light emitting diode (OLED) display panel is provided, which includes a thin film transistor (TFT) array, a second metal layer, and an insulating layer disposed on the TFT array, a light blocking layer disposed on the insulating layer, a planarization layer disposed on the light blocking layer, an anode metal layer disposed on the planarization layer, and the light blocking layer provided with a plurality of holes; wherein the second metal layer includes a source-drain metal layer, and an interconnect hole is disposed in an interlayer structure between the source-drain metal layer and the anode metal layer and is electrically connected to the source-drain metal layer and the anode metal layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.