×

Image display device and display drive method

  • US 20020196207A1
  • Filed: 12/14/2001
  • Published: 12/26/2002
  • Est. Priority Date: 06/20/2001
  • Status: Active Grant
First Claim
Patent Images

1. An image display device comprising:

  • an image display medium having a pair of substrates, an electrode provided on each respective substrate, and a plurality of kinds of particles which are enclosed in a space between the substrates and which are movable due to an electric field formed between the electrodes and which have different colors and electrifying properties; and

    a voltage applying unit for applying to the electrodes an alternating voltage having a frequency to move the plurality of kinds of particles.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×