Electro-optic assemblies and materials for use therein
An electro-optic display comprises first and second substrates, and an adhesive layer and a layer of electro-optic material disposed between these substrates, the adhesive layer comprising a mixture of a polymeric adhesive material and an additive selected from a salt, a polyelectrolyte, a polymer electrolyte, a solid electrolyte, a conductive metal powder, a ferrofluid, a non-reactive solvent, a conductive organic compound, and combinations thereof. In one aspect, there is provided an adhesive comprising a mixture of a polymeric adhesive material and an additive selected from a salt, a polyelectrolyte, a polymer electrolyte, a solid electrolyte, and combinations thereof.
1 . An adhesive comprising a mixture of a polymeric adhesive material and an additive selected from a salt, a polyelectrolyte, a polymer electrolyte, a solid electrolyte, and combinations thereof.
2 . The adhesive of claim 1 wherein the polymeric adhesive material is selected from a polyurethane, vinyl acetate, vinyl acetate ethylene, an epoxy, a polyacrylic-based adhesive, and combinations thereof.
3 . An adhesive comprising a mixture of a polymeric adhesive material and an additive selected from a conductive metal powder, a ferrofluid, a non-reactive solvent, a conductive organic compound, and combinations thereof.
4 . The adhesive of claim 3 wherein the polymeric adhesive material is selected from a polyurethane, vinyl acetate, vinyl acetate ethylene, an epoxy, a polyacrylic-based adhesive, and combinations thereof.
5 . An adhesive comprising a polymeric adhesive material and an additive comprising a salt.
6 . The adhesive of claim 5 wherein the salt is at least one selected from potassium acetate, tetraalkylammonium salts, LiCF 3 SOF 3 , LiClO 4 , LiPF 6 , LiBF 4 , LiAsF 6 , and LiN(CF 3 SO 2 ) 3 .
7 . An adhesive comprising a polymeric adhesive material and an additive comprising a polyelectrolyte.
8 . The adhesive of claim 7 wherein the polyelectrolyte is at least one selected from polyacrylic acid, polystyrene sulfonate, poly(2-vinylpyridine), poly(4-vinylpyridine), poly(dimethylammonium chloride, poly(dimethylaminoethyl methacrylate), and poly(diethylaminoethyl methacrylate).
9 . An adhesive comprising a polymeric adhesive material and an additive comprising a polymer electrolyte.
10 . The adhesive of claim 9 wherein the polymer electrolyte is at least one selected from polyether compounds, polyamines, and polymers which contain quaternary ammonium groups.
11 . An adhesive comprising a polymeric adhesive material and an additive comprising a solid electrolyte.
12 . An adhesive comprising a polymeric adhesive material and an additive comprising a conductive metal powder.
13 . The adhesive of claim 12 wherein the conductive metal powder comprises nickel.
14 . An adhesive comprising a polymeric adhesive material and an additive comprising a ferrofluid.
15 . An adhesive comprising a polymeric adhesive material and an additive comprising a non-reactive solvent.
16 . The adhesive of claim 15 wherein the non-reactive solvent is at least one selected from water, diethyl ether, dipropyl ether, diethyleneglycol, glyme, diglyme, and N-methylpyrrolidone.
17 . An adhesive comprising a polymeric adhesive material and an additive comprising a conductive organic compound.
18 . The adhesive of claim 17 wherein the conductive organic compound is at least one selected from polyaniline, polythiophene, polypyrrole, poly-3,4-dioxyethylene thiophene, and derivatives thereof.