Multimode fixed legend liquid crystal and electroluminescent display

  • McDonnell D
  • Krüger H
  • Theis D
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Abstract

A novel arrangement of colour-capable multi-legend displays is described. The electrodes are patterned to carry a continuous fixed message in positive or negative contrast. Colour is obtained either by dyes in guest-host type liquid crystal displays or by using a combination with thin film electroluminescent backlights. The main advantage is in its use in the future for keyboards where the keys can be used in a touch-sensitive interactive display mode. © 1985.

Author-supplied keywords

  • colour
  • display device (computers)
  • electroluminescence
  • keyboards
  • liquid crystal displays

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Authors

  • D. G. McDonnell

  • H. H. Krüger

  • D. Theis

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