Image display device
US12154522B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2020 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Nov 27, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/0435
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to an image display apparatus. The image display apparatus according to an embodiment of the present disclosure includes a display panel; a plurality of light sources configured to output light to the display panel; a plurality of switching elements configured to switch the light sources, respectively; and a processor configured to output a switching control signal having variable amplitude to the switching element, wherein the processor controls a driving frequency of the light source to be a second frequency higher than a first frequency corresponding to a vertical synchronization signal of the panel. Thus, the sharpness of the image can be improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.