Fluorescent liquid crystal display devices
US4556287A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1983 |
| Grant date | Dec 3, 1985 |
| Priority date | — |
| Expiry date | Aug 19, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/54
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fluorescent liquid crystal display device having a display area which comprises means for causing external excitation of the fluorescent liquid crystal display device, a fluorescent material which emits visible fluorescence, a liquid crystal material mixed with the fluorescent material, first means for preventing the propagation of the visible fluorescence toward a display area of the fluorescent liquid crystal display device while not being activated by the excitation means, and/or second means for enhancing the propagation of the visible fluorescence toward the display area of the same while being activated by the excitation means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.