Active matrix display device and driving method of the same
US6975298B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 1, 2004 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Apr 1, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An AC driven active matrix display device in which image display with enough brightness can be easily achieved while reducing an amplitude range of a pixel electrode potential. The display device 1, 100 or 110 according to the invention comprises two memory circuits (a first memory circuit 40 and a second memory circuit 41) which are connected in series between each pixel electrode 22 and a corresponding signal line 30. Data is written to the first memory circuit in a first period, then the data is transferred from the first memory circuit to the corresponding second memory circuit in a second period. The potential of a counter electrode 23 is switched in the second period between a first potential (VcomH) and a second potential (VcomL).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.