| 摘要 |
PROBLEM TO BE SOLVED: To provide a display medium containing bichromal beads in which the beads can be fast and completely rotated at a low operational voltage and the voltage threshold is definite. SOLUTION: The display medium 10 comprises a substrate 12 and bichromal beads 1, and the bichromal beads 1 are dispersed in the substrate 12. The bichromal beads 1 contain an electrolyte and a polymer such as an alkylpoly(alkylene oxide). |
