Backlight driving circuit, backlight driving method, backlight device and display device
US10643553B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 30, 2018 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Jul 30, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/064
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a backlight driving circuit, a backlight driving method, a backlight device and a display device. A backlight driving circuit for driving a light source array, comprising: a control sub-circuit for outputting a control signal and different timing voltage signals; a driving sub-circuit for providing data signals to the light source array according to the control signal; and a selection sub-circuit that corresponds to rows in the light source array, wherein the selection sub-circuit is configured to control the turning-on of light sources of the corresponding rows in the light source array according to the timing voltage signals outputted by the control sub-circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.