Display system capable of eliminating cross-channel coupling problem, and driving device thereof
US11462154B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2022 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Mar 7, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display system includes an LED array and a driving device. The driving device includes a current driver, a scan selector and a capacitor. The current driver is connected to drive lines of the LED array, and provides a plurality of driving current signals respectively to the drive lines. The scan selector is connected to scan lines of the LED array, and has a first terminal that is configured to receive an input voltage, and a second terminal. The scan selector outputs the input voltage to a selected one of the scan lines, and outputs a clamp voltage provided at the second terminal thereof to the other ones of the scan lines. The capacitor has a first terminal, and a second terminal that is connected to the second terminal of the scan selector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.