Cholesteric liquid crystal based solid shell and production method thereof
AssigneeUniversite Du Luxembourg
InventorsYong Geng, Jan Lagerwall
Life of this patent
Estimating the term…
Abstract
A method for producing a cholesteric liquid crystal based shell is provided. The method comprises producing a cholesteric liquid crystal shell, solidifying the cholesteric liquid crystal shell so as to obtain a solid shell and perforating the solid shell. Also provided is a cholesteric liquid crystal based solid shell comprising a perforation. A coating composition comprising a plurality of cholesteric liquid crystal based solid shells, an item comprising a tag that comprises the cholesteric liquid crystal based solid shells and a method for authenticating the item are also provided.
Claims20
A method for producing a cholesteric liquid crystal based shell comprising:
- producing a cholesteric liquid crystal shell;
- solidifying the cholesteric liquid crystal shell so as to obtain a solid shell;
- and
- perforating the solid shell.
A cholesteric liquid crystal based solid shell comprising a perforation, the cholesteric liquid crystal based solid shell being produced according to a method comprising producing a cholesteric liquid crystal shell, solidifying the cholesteric liquid crystal shell so as to obtain a solid shell and perforating the solid shell.
Dependencies are inferred from the claim text.