Multi-layer sheet for use in electro-optic displays
First Claim
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1. A multi-layer film useful as a barrier film in electro-optic displays, the multi-layer film comprising, in this order:
- a light-transmissive adhesive layer;
a light-transmissive first protective layer;
a light-transmissive first moisture barrier layer;
an intermediate layer;
a light-transmissive second moisture barrier layer; and
a light-transmissive second protective layer.
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Abstract
A multi-layer film (300), useful as a barrier film in electro-optic displays, comprises a light-transmissive adhesive layer (316), a light-transmissive first protective layer (312), a light-transmissive first moisture barrier layer (308B), an intermediate layer (typically an adhesive layer) (310), a light-transmissive second moisture barrier layer (308A) and a light-transmissive second protective layer (306). The second protective layer may be covered by a hard coat (304) and/or a masking film (302).
378 Citations
19 Claims
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1. A multi-layer film useful as a barrier film in electro-optic displays, the multi-layer film comprising, in this order:
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a light-transmissive adhesive layer; a light-transmissive first protective layer; a light-transmissive first moisture barrier layer; an intermediate layer; a light-transmissive second moisture barrier layer; and a light-transmissive second protective layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A process for assembling an electro-optic display comprising:
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providing a multi-layer film which itself comprises, in this order; a light-transmissive adhesive layer; a light-transmissive first protective layer; a light-transmissive first moisture barrier layer; an intermediate layer; a light-transmissive second moisture barrier layer; and a light-transmissive second protective layer; providing an electro-optic display comprising, in this order; a backplane comprising at least one pixel electrode; a layer of an electro-optic medium; a light-transmissive electrically-conductive layer; and a front substrate; laminating the multi-layer film to the display with the adhesive layer of the multi-layer film contacting the front substrate of the display, thus securing the multi-layer film to the multi-layer film to the display. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A process for preparing a multi-layer film useful as a barrier film in electro-optic displays, the process comprising:
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providing first and second sheet each comprising a protective layer and a moisture barrier layer; coating a first adhesive layer on to one of the moisture barrier layers; contacting the first and second sheets together so that the first adhesive layer contacts the moisture barrier layer on the other sheet; and coating a second adhesive layer on the surface of one of the protective layers remote from the first adhesive layer. - View Dependent Claims (18, 19)
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Specification