Light-emitting driving circuit, driving method, organic light-emitting display panel and device
US11049452B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2020 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Jun 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D30/6734
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a light-emitting driving circuit, including: a light-emitting device; a pixel driving circuit including a driving transistor for outputting a light-emitting driving current to the light-emitting device and including an active layer, a first source, a first drain, first and second gates, the active layer includes a source region connected to the first source, a drain region connected to the first drain, and a channel region, both the first and second gates at least partially overlap with the active layer, the first gate is insulated from the second gate, the first drain is electrically connected to the light-emitting device; and a second gate control circuit including a first control device having an input terminal electrically connected to a light adjustment signal line and an output terminal electrically connected to the second gate. A light adjustment voltage is transmitted on the light adjustment signal line in a light adjustment phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.