Saturating column driver for grey scale LCD
US5061920A · kind A · utility
50Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 1991 |
| Grant date | Oct 29, 1991 |
| Priority date | — |
| Expiry date | Feb 14, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A saturating column driver for an LCD substrate. Digital data is entered into a register in a serial fashion to produce a series of single-column addresses. The single-column addresses are latched and apparatus is provided for translating video binary words into grey scale codes. Also provided are switches responsive to the translated video binary words which switch a voltage input corresponding to the video binary word through to the LCD substrate to generate the desired grey scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.