Magnetic display

Details Magnetic display Magnetic display

2006-04-11

2006-04-11

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S048000, C345S084000, C345S086000, C345S107000

Reexamination Certificate

active

07027030

ABSTRACT:
A magnetic display has two non-magnetic substrates, at least one of which is transparent; and a microcapsule coating layer is applied between the non-magnetic substrates. The microcapsules contain and seal light-absorptive black magnetic fine particles and light-reflective non-magnetic fine particles dispersed in an oily dispersion liquid. An array layer is buried in a capsule wall of each of the microcapsules for enclosing the oily dispersion liquid that contains the light-absorptive black magnetic fine particles and light-reflective non-magnetic fine particles. The array layer includes flake-shaped particles with a multi-layered structure for converting the black color of a character or image formed on a display surface, which is a color inherently exhibited by the light-absorptive black magnetic fine particles, into a variety of interference colors. The flake-shaped particles are arranged so as to be oriented parallel to the surface of the capsule wall along the entire spherical surface of the microcapsule.

REFERENCES:
patent: 4394287 (1983-07-01), Scarpelli
patent: 5972493 (1999-10-01), Iwasaki et al.
patent: 2002/0018044 (2002-02-01), Yasuda

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