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Application Of Thin Films Of Conjugated Polymers In Novel Led's And Liquid Crystal “Light Valves”

  • A. G. Macdiarmid (a1), H. L. Wang (a1), F. Huang (a1), J. K. Avlyanov (a1), P. C. Wang (a1), T. M. Swager (a1), Z. Huang (a1), A. J. Epstein (a2), Y. Wang (a2), D. D. Gebler (a2), R. Shashidhar (a3), J. M. Calvert (a3), R. J. Crawford (a3), T. G. Vargo (a4), G. M. Whitesides (a5), Y. Xia (a5) and B. R. Hsieh (a6)...

Abstract

Light emitting electroluminescent devices have been studied in which the conjugated light emitting polymer is separated on both sides from the device electrodes by a film of nonconducting polyaniline. The devices operate under an AC applied potential.Aluminum, copper or gold serve as the metal electrodes. Flexible, completely organic polymer dispersed liquid crystal light valves have been fabricated from transparent plastic substrates on which a conducting film of polypyrrole has been deposited. A new concept, “microcontact printing”, is being investigated for patterning the polypyrrole.

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