Doped liquid crystal display device
US4059340A · kind A · utility
8Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1974 |
| Grant date | Nov 22, 1977 |
| Priority date | — |
| Expiry date | Nov 18, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The use of dopants enhances optical contrast and range of writing speeds in liquid crystal display devices. Such dopants are characterized by greater solubility in the isotropic phase than in the liquid-crystalline phase of a liquid crystal material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.