1. I. Ota, USP 3, 668, 109 June 6, 1972(priority J.P.44/31598etal. 1969)
2. J. Toyama et al., “An electrophretic matrix display assembled external address logic and driver directly to the panel”, Symp. SID 94, Poster Session, 1994
3. T. Kondo, M. Koishi, Microcapsule, Sankyo-shuppan (1987), p49