| 摘要 |
PROBLEM TO BE SOLVED: To exchange particles quickly and easily by making gap between substrates constant and preventing leakage of particles. SOLUTION: A picture display medium 10 is provided with a transparent first supporting substrate 12, a second supporting substrate 14 opposing to the first supporting substrate 12, a transparent electrode 18 provided at a first supporting substrate side, an electrode 20 provided at a second supporting substrate side, mixed particles 22 including particles of two kinds of which color and electrostatic charge characteristics are different, and a closed vessel 24 of which a part is transparent in which mixed particles are sealed.
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