Display panel and preparation method, detection method and display device thereof
US11444142B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 6, 2020 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Jan 6, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/1201
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present application discloses embodiments of a display panel, a preparation method thereof, a detection method thereof, and a display device for improving an accuracy of detecting electrical properties of transistors. In one embodiment, a display panel may include a display area including a plurality of pixels and a non-display area surrounding the display area, wherein each of the plurality of pixels may include a display pixel circuit, and the non-display area may include one or more test pixel circuits, each of the one or more test pixel circuits having an equivalent circuit structure to the display pixel circuit, where the one or more test pixel circuits may include a plurality of transistors, and electrodes of at least one of the plurality of transistors may be respectively conductively coupled to different test pads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.