Components and methods for use in electro-optic displays
First Claim
Patent Images
1. A process for producing a solid electro-optic display, the process comprising:
- providing an article of manufacture comprising, in order;
a light-transmissive electrically-conductive layer;
a layer of a solid electro-optic medium in electrical contact with the electrically-conductive layer;
an adhesive layer; and
a release sheet;
providing a backplane comprising a plurality of pixel electrodes and drive means arranged to apply variable potentials to the pixel electrodes;
removing the release sheet from the adhesive layer; and
contacting the adhesive layer with the backplane under conditions effect to cause the adhesive layer to adhere to the backplane, thereby securing the adhesive layer, layer of electro-optic medium and electrically-conductive layer to the backplane.
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Abstract
A front plane laminate useful in the manufacture of electro-optic displays comprises, in order, a light-transmissive electrically-conductive layer, a layer of an electro-optic medium in electrical contact with the electrically-conductive layer, an adhesive layer and a release sheet. This front plane laminate can be prepared as a continuous web, cut to size, the release sheet removed and the laminate laminated to a backplane to form a display. Methods for providing conductive vias through the electro-optic medium and for testing the front plane laminate are also described.
730 Citations
34 Claims
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1. A process for producing a solid electro-optic display, the process comprising:
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providing an article of manufacture comprising, in order;
a light-transmissive electrically-conductive layer;
a layer of a solid electro-optic medium in electrical contact with the electrically-conductive layer;
an adhesive layer; and
a release sheet;
providing a backplane comprising a plurality of pixel electrodes and drive means arranged to apply variable potentials to the pixel electrodes;
removing the release sheet from the adhesive layer; and
contacting the adhesive layer with the backplane under conditions effect to cause the adhesive layer to adhere to the backplane, thereby securing the adhesive layer, layer of electro-optic medium and electrically-conductive layer to the backplane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A process for forming an electro-optic display, the process comprising:
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providing a front assembly comprising, in order, a light-transmissive electrically-conductive layer;
a layer of a solid electro-optic medium in electrical contact with the electrically-conductive layer; and
an adhesive layer;
removing the electro-optic medium and the adhesive layer from a portion of the front assembly, thereby providing a connection area wherein the electrically-conductive layer is exposed free from the electro-optic medium and the adhesive layer;
forming a conductive via on the connection area;
providing a backplane comprising at least one pixel electrode and at least one contact pad electrically-isolated from the at least one pixel electrode; and
laminating the front assembly to the backplane so that the adhesive layer adheres to the backplane with the electro-optic medium disposed adjacent the at least one pixel electrode and the conductive via in electrical contact with the at least one contact pad, so that the electrically-conductive layer is electrically connected to the at least one contact pad via the conductive via. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A process for forming an electro-optic display, the process comprising:
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providing a substrate comprising a light-transmissive electrically-conductive layer;
coating a solid electro-optic medium over part of the substrate, leaving a connection area of the substrate uncoated;
coating an adhesive layer over the electro-optic medium, leaving the connection area uncoated, thereby forming a front assembly;
providing a backplane comprising at least one pixel electrode and a contact pad electrically isolated from the at least one pixel electrode; and
laminating the front assembly to the backplane so that the adhesive layer adheres to the backplane with the electro-optic medium disposed adjacent the at least one pixel electrode and with the electrically-conductive layer in the connection area in electrical contact with the contact pad. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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Specification