Liquid crystal television
US5006933A · kind A · utility
4Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1989 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Aug 29, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a liquid crystal television, segment electrodes of a liquid crystal panel are divided into image segment electrodes and indicator segment electrodes. A liquid crystal display unit includes an image segment driver for receiving a video signal from a television receiver and driving the image segment electrodes, and an indicator segment driver for receiving a tuning voltage from a tuning voltage control unit and driving the indicator segment electrodes. The image and indicator segment drivers are driven by signals having different voltage waveforms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.