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Display device with crossing electrodes with specific ratio for gray scale

  • US 5,404,236 A
  • Filed: 07/08/1994
  • Issued: 04/04/1995
  • Est. Priority Date: 04/20/1990
  • Status: Expired due to Fees
First Claim
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1. A display device comprising an electro-optical medium between two supporting plates comprising a plurality of display cells at the area of crossings of strip-shaped row and column electrodes, the column and row electrodes being divided into strip-shaped sub-electrodes characterized in that the column electrodes are divided into three strip-shaped sub-electrodes having a width ratio 4:

  • 2;

    1 and the row electrodes are divided into two strip-shaped sub-electrodes the sub-electrodes of the row electrodes at the area of the crossing having a width ratio of at least 8;

    1.

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