Electro-optic media produced using ink jet printing
First Claim
Patent Images
1. A process for forming a front plane laminate having a color filter, which process comprises:
- providing a light-transmissive, electrically-conductive layer;
ink jet printing a plurality of areas of colored material on to the light-transmissive, electrically-conductive layer, the plurality of areas including areas of at least two different colors;
applying a layer of an electro-optic material over the colored material;
applying a layer of a lamination adhesive over the layer of electro-optic material; and
applying a release sheet over the layer of lamination adhesive.
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Abstract
Ink jet printing can be used in the production of electro-optic displays for (a) forming a layer of a polymer-dispersed electrophoretic medium on a substrate; (b) forming a color electro-optic layer; (c) forming a color filter; and (d) printing electrodes and/or associated conductors on a layer of electro-optic material.
376 Citations
11 Claims
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1. A process for forming a front plane laminate having a color filter, which process comprises:
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providing a light-transmissive, electrically-conductive layer; ink jet printing a plurality of areas of colored material on to the light-transmissive, electrically-conductive layer, the plurality of areas including areas of at least two different colors; applying a layer of an electro-optic material over the colored material; applying a layer of a lamination adhesive over the layer of electro-optic material; and applying a release sheet over the layer of lamination adhesive. - View Dependent Claims (2, 3, 4)
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5. A process for forming a color double release film, which process comprises:
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(a) providing a first release sheet; (b) applying a first layer of a lamination adhesive to the release sheet; (c) ink jet printing a plurality of areas of colored material, the plurality of areas of colored material including areas of at least two different colors; (d) forming a layer of electro-optic material; and (e) providing a second layer of a lamination adhesive and a second release sheet over the layer of electro-optic material, wherein steps (c) and (d) are performed in either order, and wherein step (e) is effected by forming the second layer of lamination adhesive on the second release sheet and thereafter laminating the second layer of lamination adhesive and the second release sheet to the remaining layers of the double release film.
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6. A process for producing a laminate for use in the production of an electro-optic display, the process comprising:
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(a) providing a first release sheet; (b) ink jet printing a plurality of areas of colored material on to the first release sheet, the plurality of areas including areas of at least two different colors, thereby forming a first sub-assembly; (c) providing a second release sheet; (d) forming a layer of electro-optic material on the second release sheet, thereby forming a second sub-assembly; and (e) laminating the first and second sub-assemblies together with the areas of colored material in contact with the layer of electro-optic material to form the laminate. - View Dependent Claims (7, 9, 10, 11)
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8. A process for forming a color double release film, which process comprises:
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(a) providing a first release sheet; (b) applying a first layer of a lamination adhesive to the release sheet; (c) ink jet printing a plurality of areas of colored material on the lamination adhesive, the plurality of areas of colored material including areas of at least two different colors; (d) forming a layer of electro-optic material; and (e) providing a second layer of a lamination adhesive and a second release sheet over the layer of electro-optic material.
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Specification