Image display device and method of controlling the same
US8248331B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2011 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Mar 11, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0262
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image display device includes a driver having a gate connected to a first electrode of a first capacitor and a source connected to an anode of a luminescence element. A second capacitor is connected to a second electrode of the first capacitor. A first switch supplies a reference voltage to the first electrode of the first capacitor. A second switch supplies a signal voltage to the second electrode of the first capacitor. A third switch connects the anode of the luminescence element to the second capacitor. A method of controlling the image display device includes: supplying the signal voltage to the first capacitor by switching ON the first and second switches when the third switch is OFF; switching OFF the first and second switches to turn ON the third switch after the first capacitor holds a capacitor voltage; and causing the second capacitor to hold a source potential of the driver while the third switch is ON.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.