Patent ID: 7027030

Claim:
A magnetic display device comprising: a first non-magnetic substrate; a second non-magnetic substrate, at least one of said first non-magnetic substrate and said second non-magnetic substrate being transparent and having a display surface; and a microcapsule layer arranged between said first non-magnetic substrate and said second non-magnetic substrate, said microcapsule layer comprising a plurality of microcapsules each including: a spherical capsule wall including an array layer embedded therein along an entirety of an outer spherical surface of said capsule wall, said array layer including optically-transmissive flake-shaped particles arranged in a multi-layer structural arrangement so as to convert a black color of an image formed on said display surface into interference colors, each of said flake-shaped particles being oriented so as to be parallel to an outer surface of said spherical capsule wall; an oily liquid accommodated within said capsule wall; light-absorptive black magnetic fine particles dispersed in said oily liquid within said capsule wall; and light-reflective non-magnetic fine particles dispersed in said oily liquid within said capsule wall.