OLED array substrate, OLED display panel, pixel circuit, driving method and method for fingerprint recognition using OLED display panel
US10909916B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 18, 2020 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | May 18, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/148
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The embodiments of the present disclosure disclose an OLED array substrate. The OLED array substrate comprises: a plurality of scan lines; a plurality of data lines; a plurality of OLED pixel units, each OLED pixel unit is connected to a corresponding data line and a corresponding scan line and being connected to a corresponding reset terminal; and a plurality of light detection units, each light detection unit is connected between the reset terminal of one OLED pixel unit and the corresponding data line, is configured to detect a light emitted by a detection light resource to generate a light detection signal, and output the light detection signal via the corresponding data line under a control of a reset signal from the reset terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.