TFT active matrix liquid crystal display devices
US5132820A · kind A · utility
132Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1988 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Jun 10, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There are disclosed various types of TFT active matrix liquid crystal display devices in which a pixel is divided into three parts, a capacitor is added to each pixel, light shielding is applied to each TFT, and the matrix is driven by a DC cancelling technique.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.