Display device and display control method
US8619017B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2007 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Dec 9, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0646
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device to display an image corresponding to image signals in a display area is provided. The display device includes a backlight including individually placed light sources corresponding to areas in the display area; a panel that includes pixels corresponding to the display area and that changes transmittance of light from the light sources in units of pixels; a panel control unit to individually set emission brightness of each of the light sources in accordance with the image signals and set the transmittance of light in each of the pixels in accordance with the emission brightness; a storage unit to store a nonlinear conversion table to convert the emission brightness to a light source control value for the backlight; and a backlight control unit to convert the emission brightness to the light source control value in accordance with the nonlinear conversion table and supply the light source control value to the backlight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.