Pixel driving device, light emitting device, driving/controlling method thereof, and electronic device
US8599186B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2010 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Aug 25, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0295
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a pixel driving device that drives a plurality of pixels, each pixel includes a light emitting element and a pixel driving circuit comprising a driving device having one end of a current path connected to one end of the light emitting element and having another end of the current path to which a power-source voltage is applied. Provided in a controller is a correction-data obtaining function circuit which obtains a first characteristic parameter relating to a threshold voltage of the driving device of each pixel based on a voltage value of each data line after a first detection voltage is applied to each data line connected to each pixel, and a current is caused to flow through the current path of the driving device through the each data line with a voltage of another end of the light emitting element being set to be a first setting voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.