Active display device and mixing type pixel driving method in active display device
US8044979B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 21, 2008 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jan 26, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A mixing type pixel driving method in an active display device includes generating a digital data for a selected pixel, first driving the selected pixel to be illuminated with a first illumination intensity, and second driving the selected pixel to be illuminated with a second illumination intensity in a second illumination interval. A relative ratio of the second illumination intensity to the first illumination intensity is changed according to the value of the digital data. The number of the converted bits by DAC is reduced. Therefore, the less bit DAC is adaptable for the mixing type pixel driving method and the layout area and the consumption current can be decreased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.