Liquid crystal display device having high speed driver
US6529180B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 6, 2000 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Mar 27, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0233
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A liquid crystal display device constituted by a liquid crystal display element and at least a single piece of semiconductor integrated circuit device and having image signal line driving means for supplying grayscale voltages in correspondence with display data to respective image signal lines of the liquid crystal display element the semiconductor integrated circuit device includes a plurality of grayscales voltage selecting means for selecting grayscale voltages in correspondence with display data inputted from a plurality of grayscale voltages, a plurality of amplifiers for amplifying the grayscale voltages selected by the respective grayscale voltage selecting means and outputting the grayscale voltages to respective image signal lines and a precharge control circuit provided between the respective grayscale voltage selecting means and the respective amplifiers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.