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Addressing device and method for rapid video response in a bistable liquid crystal display

  • US 5,699,074 A
  • Filed: 03/24/1995
  • Issued: 12/16/1997
  • Est. Priority Date: 03/24/1995
  • Status: Expired due to Fees
First Claim
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1. A method for modifying a liquid crystal display comprised of an array of pixels arranged in a plurality of rows and a plurality of columns, said pixels have a first optical state and a second optical state, both optical states stable in the absence of an electric field, wherein control signals are applied to the array of pixels to modify the optical state thereof, said method comprising:

  • simultaneously applying selective control signals to the plurality of rows having pixels requiting a change to the first optical state; and

    sequentially applying selective control signals to one or more rows of pixels having at least one pixel requiring a change in optical state.

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