Display apparatus and display control method
US11783788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2022 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Apr 26, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus and a display control method are disclosed. The display apparatus includes a backlight module and a display panel. The backlight module comprises a controller, a plurality of power sources, and a plurality of lamp areas corresponding to the plurality of power sources. The plurality of power sources include a first power source for providing a positive power supply signal to the controller and driving a lamp area, and a second power source for driving a lamp area. The plurality of power sources are configured to output negative power supply signals and negative reference signals; the controller is configured to output a driving signal through negative voltage driving based on a control signal, the negative power supply signals and the negative reference signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.