Liquid crystal display device
US6448951B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1999 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Apr 15, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A low cost LCD device employing a high speed field sequential drive scheme. The liquid crystal display device comprises: a liquid crystal display array divided into a first area, a second area and a third area, in each of which are included a plurality of pel lines; a first device for performing an operation for sequentially writing first color data, selected from data provided for red, green and blue, along the plurality of pel lines in the first area, an operation for sequentially writing second color data, selected from data provided for red, green and blue, along the plurality of pel lines in the second area, and an operation for sequentially writing third color data, selected from data provided for red, green and blue, along the plurality of pel lines in the third area; a backlight device, which is divided into N backlight sections, with N being a multiple of three (3) and is equal to or greater than (6), and which selectively generates red light, green light or blue light, wherewith N/3 backlight sections illuminate the first area, N/3 backlight sections illuminate the second area and N/3 backlight sections illuminate the third area; and a second device for sequentially activ…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.