Pixel circuit, organic electroluminescent display panel and display device
US9373283B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 15, 2014 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | May 15, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/148
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel circuit, an organic electroluminescent display panel and a display device are provided. The pixel circuit includes a luminous device (D1), a photosensitive device (P1), a drive control sub-module (1), a data write sub-module (2), a light-emitting control sub-module (3) and a touch detection sub-module (4). Upon the data write sub-module (2) being turned on, a data signal at the data signal terminal (Data) is transmitted to the drive control sub-module (1) by the data write sub-module (2). Upon the light-emitting control sub-module (3) being turned on, the light-emitting control sub-module (3) controls the drive control sub-module (1) to drive the luminous device (D1) to give off light, so as to achieve a display function. Upon the touch detection sub-module (4) being turned on, the touch detection sub-module (4) controls output of a touch detection signal from the drive control sub-module (1) to a touch signal read terminal. The touch detection signal is decreased as the light intensity irradiated onto the photosensitive device is increased, so as to achieve a touch detecting function. Touch and display functions are integrated in the pixel circuit, so that the production c…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.