Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With charge transferring layer of specified composition
Patent
1976-08-23
1978-05-02
Dixon, Jr., William R.
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With charge transferring layer of specified composition
428215, 428335, 428339, 428913, 73356, 128 2H, 350330, 427385R, C09K 334, A61B 500, B05D 302
Patent
active
040875750
ABSTRACT:
Liquid crystal preparations, for examination of objects by visualizing temperature differences, are made in the form of highly stretchable elastomeric films by dispersing cholesteric liquid crystal esters in a solution of a thermoplastic elastomer such as plasticized polyvinyl butyral solution, and casting a thin film from the solution. Preferably, a light-absorbing lamina is included to enhance the color contrast.
REFERENCES:
patent: 3993809 (1976-11-01), Schranz et al.
patent: 4048358 (1977-09-01), Shanks
patent: 4060654 (1977-11-01), Quenneville
Dixon Jr. William R.
Meyer Harold S.
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