Reverse-mode microdroplet liquid crystal display

Yao-Dong Ma; Bao Gang Wu; Gang Xu

doi:10.1117/12.19926

1 April 1990 Reverse-mode microdroplet liquid crystal display

Yao-Dong Ma, Bao Gang Wu, Gang Xu

Proceedings Volume 1257, Liquid Crystal Displays and Applications; (1990) https://doi.org/10.1117/12.19926
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

This paper presents the production of the a reverse-mode microdroplet liquid crystal (RMLC) light shutter display. In this unit, the display is formed by a thin polymer film with dispersed liquid crystal microdroplets. The display is light transmissive in the absence of an applied electrical field. The display is converted to a non-transmissive state (i.e. absorbing or scattering) when an electrical field is applied. The "off' and "on" state. of this display are thus exactly opposite to that encountered in "normal-mode" microdroplet liquid crystal display devices such as polymer dispersed liquid crystals (PDLC)15 or Nematic Curvilinear Aligned Phase (NCAP)6. The Reverse Mode Microdroplet Liquid Crystal is obtained by modification of the surface energy of the polymer which encases liquid crystals via reaction of a dopant incorporated inside of the microdroplet during the droplet formation within the inside polymer layer. The liquid crystal used in RMLC is of negative dielectric anisotropy.

Citation Download Citation

Yao-Dong Ma, Bao Gang Wu, and Gang Xu "Reverse-mode microdroplet liquid crystal display", Proc. SPIE 1257, Liquid Crystal Displays and Applications, (1 April 1990); https://doi.org/10.1117/12.19926

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