Display device
US10515577B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2017 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Sep 5, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device includes an image signal processor generating modulation data of each pixel region corresponding to a display period of each frame based on an image signal and predetermined modulation value tables which are preset to different gains. The image signal processor includes a block divider and at least two data modulators. The block divider divides the display region into at least two block regions along a second direction. The at least two data modulators correspond to the at least two block regions, modulate gray scale data of each of pixel regions included in each block region based on a modulation value table, and generate modulation data of the pixel regions included in each block region. As a result, a difference in the charge amount caused by line resistance can be compensated according to the overdriving scheme, resulting in prevention of image quality deterioration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.