Display device with pre-charging arrangement
US7446744B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2003 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Apr 7, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a display device comprising a plurality of light emitting elements (1), wherein at least one of the elements has an associated capacitor (C1). The display device comprises pre-charging means (7;8) for generating a pre-charge signal for charging the associated capacitor (C1) at least partly. The pre-charging means (7;8) are adapted for generating a pre-charge signal comprising at least a first pre-charge signal in a first pre-charge stage and a second pre-charge signal in a second pre-charge stage. The pre-charge signal preferably comprises a current pre-charge signal followed by a voltage pre-charge signal. The combined pre-charge signal has the advantage of fast, but accurate pre-charging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.