Data display device
US3938140A · kind A · utility
29Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1974 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | May 6, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/134327
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to data display devices having a segmented structure. It provides a display device whose adjacent coplanar segments are divided up into complementary areas respectively connected to excitation units controlled simultaneously in such manner as to produce, in the absence of break down, a homogeneous display of the segments. The invention applies to display by elementary sources of light or by liquid crystals and other materials having electro-optical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.