Organic light-emitting diode driving circuit, driving method, display substrate, and display apparatus
US10559255B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 16, 2018 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | May 16, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0233
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Present disclosure provides OLED driving circuit, comprising: first switch unit, electrically connected between first end of first capacitor and data input end; second switch unit, electrically connected between second end of first capacitor and data input end; third switch unit, its first end electrically connected to voltage input end, its second end electrically connected to OLED, its third end electrically connected to first end of first capacitor, third switch unit configured to switch connection and disconnection between first and second ends of third switch unit; fourth switch unit, its first end electrically connected to first end of first capacitor, its second end electrically connected to second end of third switch unit; wherein first and second ends of second capacitor are electrically connected to voltage input end and second end of first capacitor, respectively. Present disclosure further provides OLED driving method, display substrate and display apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.