Pixel compensation circuit and active matrix organic light emitting diode display apparatus
US10242616B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 1, 2016 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Jul 1, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/0842
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel compensation circuit and an Active Matrix Organic Light Emitting Diode (AMOLED) display apparatus. The circuit includes a data signal writing module, a high voltage signal writing module, a first reference voltage generation module and a second reference voltage writing module; the data signal writing module and the high voltage signal writing module are connected with a first terminal of the capacitor; the first reference voltage generation module is connected with a second terminal of the capacitor and a drain of the driving transistor; a gate of the driving transistor is connected with the second terminal of the capacitor, the drain thereof is connected with an anode of the light emitting device, a source thereof is connected with the second reference voltage writing module, and connected with the high voltage signal writing module; a cathode of the light emitting device is connected with a common ground electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.