Driver circuit of display device
US7221197B2 · kind B2 · utility
15Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 2005 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Jul 28, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a driver circuit of a display device, an electric potential difference between high-level power supply voltage VDD and low-level power supply voltage VSS2 in shift registers and buffers is set smaller than an electric potential difference between high-level voltage VDD and low-level voltage VSS of enable signals OE in order to prevent increase in voltage stress on each transistor and concurrently to make larger an electric potential difference between high-level voltage and low-level voltage of output signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.