Display device performing local dimming
US11289034B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2020 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Mar 28, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device includes a backlight unit including light source rows, each of the light source rows including light source blocks, a display panel configured to display an image by transmitting light emitted by the backlight unit, a panel driver configured to drive the display panel, and a backlight driver configured to drive the backlight unit. The backlight driver is configured to perform a vertical direction scan operation that sequentially select the light source rows and a horizontal direction sequential driving operation that sequentially drives the light source blocks included in a selected light source row of the light source rows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.