Black electrophoretic particles and method of manufacture

Details Black electrophoretic particles and method of manufacture Black electrophoretic particles and method of manufacture

H - Electricity

01

B

31/121

H01B 3/18 (2006.01) C08F 2/44 (2006.01) G02F 1/167 (2006.01) H01B 3/44 (2006.01)

Patent

CA 2176482

The present invention are dielectric black particles (22) for use in electrophoretic images displays (10), electrostatic toner or the like, and the corresponding method of manufacturing the same. The present invention black particles (22) are latex particles formed by a polymerization technique, wherein the latex particles are stained to a high degree of blackness with a metal oxide.

La présente invention concerne des particules diélectriques noires (22) destinées à une utilisation dans des afficheurs d'images électrophorétiques (10), un toner électrostatique et similaire, ainsi que leur procédé de production. Les particules noires (22) de la présente invention sont des particules de latex formées par une technique de polymérisation, dans laquelle les particules de latex sont traitées par un oxyde de métal, jusqu'à ce qu'elles soient très noires.

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