Electroluminescent display device
US10475393B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2017 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Nov 29, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0626
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electroluminescent display device includes a pixel area including a plurality of sub-pixels displaying an image signal at a specific refresh rate, a plurality of ELVDD lines electrically connected to the plurality of sub-pixels, a plurality of data lines electrically connected to the plurality of sub-pixels, a plurality of scan lines electrically connected to the plurality of sub-pixels, a plurality of EM lines electrically connected to the plurality of sub pixels, a scan driver sequentially supplying a scan signal to the plurality of scan lines and sequentially supplying an EM signal having a specific duty ratio pattern configured to control a dimming level of the pixel area to the plurality of EM lines, and a driving unit electrically connected to the plurality of data lines and the scan driver, and configured to control the dimming level according to a dimming control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.