Backlight module and display device
US11475855B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 14, 2020 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Dec 10, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0693
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A backlight module and a display device are provided. The backlight module includes a backlight source and a driving circuit for driving the backlight source. In the driving circuit corresponding to at least one backlight unit of the backlight source, a driving module is connected to a data signal input module and a compensation module through a first node, and is connected to the backlight unit through a second node. The compensation module is configured to pull down a potential of the first node to be less than a potential of the second node during a blank frame phase to make the threshold voltage of the driving module negatively biased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.