Method for forming an electronic paper display

Details Method for forming an electronic paper display Method for forming an electronic paper display

2011-01-25

2011-01-25

Meeks, Timothy H (Department: 1715)

Coating processes

Electrical product produced

C427S203000, C427S458000, C427S466000

Reexamination Certificate

active

07875307

ABSTRACT:
Methods form a multi-color electrophoretic display. The methods include providing microcapsules, wherein the microcapsules have an electrostatic charge, and wherein the microcapsules comprise, a shell that is transparent and a display medium within the shell, wherein the display medium is comprised of either (a) at least two sets of differently colored particles in a substantially clear fluid, or (b) at least one set of colored particles in a differently colored fluid. The methods include transferring the microcapsules to a substrate, wherein the electrostatic charge of the microcapsules attracts the microcapsules to the substrate, wherein a display layer of microcapsules is formed on the substrate. The methods include positioning a conductive substrate adjacent to the substrate, wherein the substrate is located between the display layer and the conductive substrate. In use, the conductive substrate applies an electric field to the display layer, and wherein the sets of particles within each microcapsule in the display layer are moveable within the microcapsule by the electric field.

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U.S. Appl. No. 11/468,652, filed Aug. 30, 2006 in the name of Naveen Chopra.
U.S. Appl. No. 11/419,440, filed May 19, 2006 in the name of Naveen Chopra.

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