Liquid Crystal Systems for Electro-Optical Storage Effects
Abstract
Research on materials and electro-optic response measurements of certain cholestericnematic mixtures was performed in an effort to develop an optical storage display. Mixture of selected compounds from the series, p- alkoxybenzylidene-p'-aminophenyl acylates, were prepared and one ternary mixture (NH-1) which exhibited nematic behavior from 25 to 105C was found. A group of optically active benzylidene aniline derivatives having alkoxy and acyloxy groups with asymmetric carbon atoms was prepared, and the compounds were found to exhibit cholesteric mesomorphism. A simulated, airborne ground location marker was constructed with a cell containing this material. In actual operation this device would provide the pilot or navigator of an aircraft with a map presentation of his past and present position as determined by two ground navigation stations.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1971
- Accession Number
- AD0760173
Entities
People
- Chan S. Oh
- Dietrich Meyerhofer
- Joseph A. Castellano
- Michael T. Mccaffrey
- Ronald N. Friel
Organizations
- Sarnoff Corporation