Pixel circuit and organic light emitting display device including the same
US10062321B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2016 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Oct 28, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/028
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel circuit includes a first-transistor including gate-electrode receiving first emission control signal, first-electrode connected to ELVDD, and second-electrode connected to first node, a second-transistor including gate-electrode receiving second emission control signal, first-electrode, and second-electrode connected to second node, a third-transistor including gate-electrode connected to third node, first-electrode connected to first node, and second-electrode connected to first-electrode of the second-transistor, an OLED including anode connected to second node and cathode connected to ELVSS, a fourth-transistor including gate-electrode receiving bias scan signal, first-electrode connected to initialization voltage, and second-electrode connected to second node, a fifth-transistor including gate-electrode receiving bias scan signal, first-electrode connected to reference voltage, and second-electrode connected to third node, a sixth-transistor including gate-electrode receiving data scan signal, first-electrode receiving data signal, and second-electrode connected to third node, a storage-capacitor between first node and third node, and a hold-capacitor between ELVDD and …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.