Electrophoretic display
First Claim
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1. An electrophoretic display which comprisesa) an array of microcups on a non-conducting substrate wherein each of said microcups comprises(i) partition walls;
- (ii) a first conductive layer coated on the side surface and the bottom surface of the microcup in said microcup;
(iii) an electrophoretic fluid filled therein; and
(iv) a polymeric sealing layer formed from a sealing composition having a specific gravity lower than that of the electrophoretic fluid to enclose the electrophoretic fluid within the microcup; and
b) a second conductive layer which is placed over said array of filled and sealed microcups.
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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.
146 Citations
15 Claims
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1. An electrophoretic display which comprises
a) an array of microcups on a non-conducting substrate wherein each of said microcups comprises (i) partition walls; -
(ii) a first conductive layer coated on the side surface and the bottom surface of the microcup in said microcup; (iii) an electrophoretic fluid filled therein; and (iv) a polymeric sealing layer formed from a sealing composition having a specific gravity lower than that of the electrophoretic fluid to enclose the electrophoretic fluid within the microcup; and b) a second conductive layer which is placed over said array of filled and sealed microcups. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification