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Proceedings Paper

Director configurations and configuration transitions in PDLC material
Author(s): John H. Erdmann; Slobodan Zumer; Brian G. Wagner; J. William Doane
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Paper Abstract

The molecular anchoring strength for the liquid crystal E7 (EM Chemicals) confined to spherical cavities dispersed in the polyurethane TU5OA (CONAP) is measured. The anchoring strength values result from a study of the radial-to-axial configuration transition when perpendicular anchoring conditions exist at the polymer/liquid crystal interface. This transition is also a function of droplet radius, temperature, and the strength of any external fields present. A study of field-induced configuration transitions provides values for the reduced local electric fields inside droplets. Computer simulated pictures of nematic droplets are formed to identify director configurations.

Paper Details

Date Published: 1 April 1990
PDF: 8 pages
Proc. SPIE 1257, Liquid Crystal Displays and Applications, (1 April 1990); doi: 10.1117/12.19928
Show Author Affiliations
John H. Erdmann, Kent State Univ. (United States)
Slobodan Zumer, Kent State Univ. (Slovenia)
Brian G. Wagner, Kent State Univ. (United States)
J. William Doane, Kent State Univ. (United States)


Published in SPIE Proceedings Vol. 1257:
Liquid Crystal Displays and Applications
J. William Doane; Zvi Yaniv, Editor(s)

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