Semiconductor device, display device having the same and electronic appliance
US7755581B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2006 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Dec 11, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a semiconductor device and its driving method in which amplitude of a data line is decreased to reduce power consumption. In a reset period, a reset transistor and a switch transistor are turned on. In the reset period, an input of a potential from the reset transistor is dominant in a node D, and a selection transistor is turned off when a potential of the node D gets higher than a gate potential of the selection transistor. Thus, even though a potential of the data line changes, a potential of the node G does not change. Since the potential of the data line is not directly written in a gate of a driver transistor, it is possible to separately set an on/off potential to be applied to the gate of the driver transistor and the amplitude of the data line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.