Display device with three-level drive
US4810059A · kind A · utility
15Cited by
16References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 29, 1987 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | May 29, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/0895
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A three-level drive for a display device is obtained by choosing two levels for the "non-selection" voltages of a display device driven by a diode matrix. This three-level drive reduces the cut-off voltage across the diodes in the diode matrix, which provides a wider choice of diodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.