E Ink Corporation

Matthew A King

Charles Howie Honeyman

Robert Waverly Zehner

Richard J Paolini, Jr

Gregg Michael Duthaler

Craig A Herb

Libing Zhang

Jianna Wang

Anthony Edward Pullen

Kevin L Denis

Kimberly L Houde

Emily J Pratt

Elizabeth Moran Gates

Karl Raymond Amundson

Thomas Henry Whitesides

Russell J Wilcox

Alberto Goenaga

Gary W Sinde

Peter J Valianatos

Qingye Zhou

Suzanne Balko

Elizabeth A Moran

Iv Stelle

Brett W Emsley

Richard J Paolini

A backplane for an electro-optic display comprises a pixel electrode (), a voltage supply line (C) arranged to supply a voltage to the pixel electrode (), and a micromechanical switch () disposed between the voltage supply line (C) and the pixel electrode (), the micromechanical switch () having an open state, in which the voltage supply line (C) is not electrically connected to the pixel electrode (), and a closed state, in which the voltage supply line (C) is electrically connected to the pixel electrode ().

Backplanes for electro-optic displays

A first electrophoretic medium comprises an electrically charged particle suspended in a suspending fluid, the particle having a polymeric shell having repeating units derived from at least one monomer the homopolymer of which is incompatible with the suspending fluid. A second, similar electrophoretic medium comprises a suspending fluid, and first and second types of electrically charged particle suspended in the suspending fluid, the two types of particle having differing optical characteristics but both having polymeric shells. The polymeric shells are arranged such that homoaggregation of the two types of particles is thermodynamically favored over heteroaggregation.

Electrophoretic media and processes for the production thereof

In electrophoretic media, it is advantageous to use pigment particles having about 1 to 15 per cent by weight of a polymer chemically bonded to, or cross-linked around, the pigment particles. The polymer desirably has a branched chain structure with side chains extending from a main chain. Charged or chargeable groups can be incorporated into the polymer or can be bonded to the particles separately from the polymer. The polymer-coated particles can be prepared by first attaching a polymerizable or polymerization-initiating group to the particle and then reacting the particle with one or more polymerizable monomers or oligomers.

Electrophoretic particles and processes for the production thereof

In electrophoretic media, it is advantageous to use pigment particles having about 1 to 15 percent by weight of a polymer chemically bonded to, or cross-linked around, the pigment particles. The polymer desirably has a branched chain structure with side chains extending from a main chain. Charged or chargeable groups can be incorporated into the polymer or can be bonded to the particles separately from the polymer. The polymer-coated particles can be prepared by first attaching a polymerizable or polymerization-initiating group to the particle and then reacting the particle with one or more polymerizable monomers or oligomers.

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Marina Del Rey, CA, United States of America

Matthew A King