Gate driver on array circuit, pixel circuit of an AMOLED display panel, AMOLED display panel, and method of driving pixel circuit of AMOLED display panel
US11250783B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 16, 2017 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Nov 9, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/045
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A gate-driver-on-array (GOA) circuit includes N GOA units cascaded in series to generate N sets of driving signals. Each n-th GOA unit includes a first terminal configured to receive a high-level voltage, a second terminal configured to receive a low-level voltage, and a clock signal terminal configured to receive a clock signal, an input terminal and a reset terminal respectively configured to receive internal signals from two alternative GOA units in the series, a first output terminal configured to output a gate-driving signal, and a second output terminal configured to output a node voltage signal. Each n-th set of the N sets of driving signals includes a first driving signal being a gate-driving signal from a (n−1)th GOA unit, a second driving signal being a gate-driving signal from a n-th GOA unit, and a third driving signal being a node voltage signal from the n-th GOA unit for driving an AMOLED pixel circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.