US 7,532,388 B2
Electrophoretic media and processes for the production thereof
Thomas H. Whitesides, Somerville, Mass. (US); Qingye Zhou, Acton, Mass. (US); Robert W. Zehner, Cambridge, Mass. (US); Karl R. Amundson, Cambridge, Mass. (US); Suzanne Balko, Davis, Calif. (US); Alberto Goenaga, Goleta, Calif. (US); Peter Valianatos, Charlestown, Mass. (US); Charles Howie Honeyman, Roslindale, Mass. (US); Elizabeth M. Gates, Somerville, Mass. (US); Matthew A. King, Marina del Rey, Calif. (US); and Russell J. Wilcox, Natick, Mass. (US)
Assigned to E Ink Corporation, Cambridge, Mass. (US)
Filed on May 02, 2007, as Appl. No. 11/743,226.
Application 11/743226 is a division of application No. 10/711829, filed on Oct. 07, 2004, granted, now 7,230,750.
Application 10/711829 is a continuation in part of application No. 10/708130, filed on Feb. 09, 2004, granted, now 7,002,728.
Application 10/708130 is a continuation in part of application No. 10/063803, filed on May 15, 2002, granted, now 6,822,782.
Claims priority of provisional application 60/291081, filed on May 15, 2001.
Claims priority of provisional application 60/481486, filed on Oct. 08, 2003.
Claims priority of provisional application 60/481572, filed on Oct. 28, 2003.
Claims priority of provisional application 60/481574, filed on Oct. 29, 2003.
Prior Publication US 2007/0200795 A1, Aug. 30, 2007
Int. Cl. G02B 26/00 (2006.01); G09G 3/34 (2006.01)
U.S. Cl. 359—296  [345/107] 20 Claims
OG exemplary drawing
 
1. An active matrix electro-optic display comprising:
a layer of electro-optic medium, the electro-optic medium comprising a plurality of charged particles disposed in a liquid and capable of moving therethrough on application of an electric field to the electro-optic medium; and
a plurality of pixel electrodes disposed adjacent the layer of electro-optic medium and arranged to apply an electric field thereto,
the electro-optic medium exhibiting a voltage threshold and the charged particles having polymeric shells having repeating units derived from at least one monomer the homopolymer of which is incompatible with the suspending fluid.