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Liquid crystal display cell

  • US 3,973,388 A
  • Filed: 03/12/1975
  • Issued: 08/10/1976
  • Est. Priority Date: 03/18/1974
  • Status: Expired due to Term
First Claim
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1. An electro-optical watch display cell having an electro-optic material selected from the group consisting of the liquid crystal, electrochromic, and other electro-optical types, said cell having an upper glass substrate and a lower glass substrate, said upper and lower glass substrates sandwiching said electro-optical material thereinbetween, said glass substrates arranged and configured such that said upper substrate supports said electro-optical display cell in said watch, and wherein said lower glass substrate is sufficiently thin so as to substantially reduce the formation of undesired shadow images.

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