Display driving device, display driving method, display module and display device
US11114013B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 10, 2020 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Nov 10, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0673
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display driving device, a display driving method, a display module and a display device are provided. The display driving device includes: a PWM signal generating circuit configured to generate a PWM signal; a PWM signal acquisition circuit, configured to identify whether the PWM signal output by the PWM signal generating circuit is at a high level or a low level; a gamma voltage debugging circuit, configured to debug a gamma voltage to obtain a first group of gamma voltage reference data corresponding to the PWM signal at the high level and a second group of gamma voltage reference data corresponding to the PWM signal at the low level in each gray-scale image; and a gamma voltage switching circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.