Electrophoretic display and novel process for its manufacture
First Claim
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1. An array of cells for an electrophoretic display wherein each of said cells comprises:
- (a) surrounding partition walls, (b) an electrophoretic composition filled therein, and (c) a polymeric sealing layer which is formed from a sealing composition having a specific gravity lower than that of said electrophoretic composition and sealingly adheres to the surface of the partition walls to enclose said electrophoretic composition within each cell.
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Abstract
This invention relates to an electrophoretic display comprising cells of well-defined shape, size and aspect ratio which cells are filled with charged pigment particles dispersed in a solvent, and novel processes for its manufacture.
191 Citations
44 Claims
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1. An array of cells for an electrophoretic display wherein each of said cells comprises:
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(a) surrounding partition walls, (b) an electrophoretic composition filled therein, and (c) a polymeric sealing layer which is formed from a sealing composition having a specific gravity lower than that of said electrophoretic composition and sealingly adheres to the surface of the partition walls to enclose said electrophoretic composition within each cell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 18, 19, 20, 21)
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15. An electrophoretic display comprising:
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a) one top electrode plate and one bottom electrode plate, at least one of which is transparent; and
b) a plurality of cells enclosed between the two electrodes, each of said cells comprises;
(i) surrounding partition walls, (ii) an electrophoretic composition filled therein, and (iii) a polymeric sealing layer which is formed from a sealing composition having a specific gravity lower than that of said electrophoretic composition and sealingly adheres to the surface of the partition walls to enclose said electrophoretic composition within each cell. - View Dependent Claims (16, 17, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification