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Driving method for display apparatus

  • US 5,856,814 A
  • Filed: 08/01/1996
  • Issued: 01/05/1999
  • Est. Priority Date: 08/02/1995
  • Status: Expired due to Term
First Claim
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1. A driving method for a display apparatus including an optical modulation device comprising a pair of electrodes, and a photoconductor layer and an optical modulation substance layer disposed between the electrodes, a signal light source for supplying light data carrying gradation data to the photoconductor layer, and a readout light source for supplying readout light for reading out image data to the optical modulation substance layer, said driving method comprising:

  • scanningly supplying the light data to the photoconductor layer, and scanningly supplying the readout light to the optical modulation substance layer, wherein a lighting time of the readout light source is controlled to modulate an overlapping time between a period of the optical modulation substance assuming a prescribed optical state and the lighting time depending on given gradation data.

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