Data driving circuit and display panel
US11790829B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2023 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Jun 14, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0233
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a data driving circuit and a display panel. The data driving circuit is configured to output a data signal for image display to multiple pixel units so as to drive the pixel units to display images. The data drive circuit includes a voltage regulating unit and multiple constant-current driving units, where the constant-current driving unit is configured to output a drive current corresponding to a data signal to at least one pixel unit. The voltage regulating unit is electrically connected to the multiple constant-current driving units and is configured to detect a driving current output by each constant-current driving unit and obtain a detection signal, and control the driving current output by each constant-current driving unit to be within a preset range according to the detection signal. The driving current output by each constant-current driving unit is adjusted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.