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LIQUID CRYSTAL DISPLAY DEVICE

  • US 3,774,195 A
  • Filed: 02/07/1972
  • Issued: 11/20/1973
  • Est. Priority Date: 02/15/1971
  • Status: Expired due to Term
First Claim
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1. In an arrangement for locally modifying the optical properties of an indicating medium sandwiched between first and second electrodes, wherein a control voltage is applied acroSs said electrodes, the improvement wherein at least one of said electrodes is in the form of a plurality of separate electrode members, a plurality of rectifier means, means for producing a potential gradient along said first electrode, and means for individually connecting said rectifier means to said electrode members with like polarity for substantially blocking current between the respective electrode member and the other electrode, at least one rectifier means being allocated to each electrode member.

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