Pixel and organic light emitting display device including the same
US10872562B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 2019 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Mar 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0626
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel includes an OLED, a driving transistor, first to third transistors, and a first capacitor. The driving transistor controls an amount of current supplied from a first power source to the OLED. The first power source is coupled to a first electrode of the driving transistor. The current corresponds to a voltage of a first node. The first transistor is coupled between a data line and a second node. The first capacitor is coupled between the first node and the second node. The second transistor is coupled between the first node and a second electrode of the driving transistor. The third transistor is coupled between the first node and an initialization power source. A turn-on time of the first and second transistors overlaps that of the third transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.