Display device and driving method thereof
US6873320B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2001 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Jul 5, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A liquid crystal display device which can reduce power consumption and can be miniaturized. The liquid crystal display device according to the present invention includes a pixel array portion, an address decoder, a display memory (VRAM), and a VRAM controller, and transmits/receives a signal to/from a CPU and a peripheral circuit through a system bus. The pixel array portion has an area gradation pixel structure in which each pixel is composed of a plurality of one-bit memories. The entire pixel array portion is divided into pixel blocks each of which consists of a plurality of pixels, and the one-bit memory is rewritten in units of block. The one-bit memory has a double-word line structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.