Polymer dispersed liquid crystal (PDLC) film using heat or an electric field to change state and the other to change back
US6002383A · kind A · utility
126Cited by
10References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1996 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Mar 28, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/132
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed an information displaying medium having a base member and a writable displaying unit disposed thereon. The writable displaying unit has a reversible displaying element including a polymer/liquid crystal composite film. A processing means including a control means and an information recording unit is buried in the base member and functions as a semiconductor device. A communication means is buried in the base member for exchanging signals with an external apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.