Display device comprising a liquid display medium
US4226509A · kind A · utility
7Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 1978 |
| Grant date | Oct 7, 1980 |
| Priority date | — |
| Expiry date | Dec 13, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1341
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a display device having a liquid display medium, for example liquid crystal, the filling apertures have to be readily sealed. In a seal which is very suitable for mass production a piece of elastic material is drawn through two oppositely located filling apertures or between a brace across the filling aperture and the filling aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.