Abstract: In a first aspect, a multilayer polymer film includes a first transparent, colorless polymer layer comprising a polyimide, a polyamide imide, or a block copolymer of a polyimide and a second transparent, colorless polymer layer comprising a polyimide, a polyamide imide, or a block copolymer of a polyimide. An elastic modulus of the first transparent, colorless polymer layer is different than an elastic modulus of the second transparent, colorless polymer layer. The first and second transparent, colorless polymer layers are bonded by consolidation. In a second aspect, a cover window for a display includes the multilayer polymer film of the first aspect. The first transparent, colorless layer of the multilayer polymer film is the layer farthest from the display.

Abstract: In a first aspect, a low haze polymer film includes a polymer and a refractive index-matching nanoparticle aggregate. The polymer includes a polyimide, a polyamide imide or a polyester imide, and the refractive index-matching nanoparticle aggregate includes a first nanoparticle having a refractive index that is less than the refractive index of the polymer and a second nanoparticle having a refractive index that is greater than the refractive index of the polymer. A difference in the refractive indices of the polymer and the refractive index-matching nanoparticle aggregate is less than 0.1, and the low haze polymer film has a thickness in a range of from 1 to 150 ?m and a haze of less than 4%. In a second aspect, an electronic device includes the low haze polymer film of the first aspect.

Abstract: A thin-film heating device includes a base layer, a bus bar layer and an electrode layer. The base layer includes a polymeric resistive layer, including conductive filler, in contact with a polymeric dielectric layer. The polymeric resistive layer has a sheet resistance in a range of from about 0.5 ohm/square to about 2 Megaohm/square. The bus bar layer is adhered to the polymeric dielectric layer of the base layer. The bus bar layer includes a first patterned conductive material. The electrode layer includes a second patterned conductive material and is electrically connected to the bus bar layer.

Abstract: In a first aspect, a multilayer polymer film includes a first polymer layer having a first elastic modulus and a second polymer layer having a second elastic modulus. The first polymer layer includes a polyimide, a polyamide imide, a block copolymer of a polyimide or a polyamide imide or a mixture thereof. The second polymer layer includes a polyimide, a polyamide imide, a block copolymer of a polyimide or a polyamide imide or a mixture thereof. The first elastic modulus is different from the second elastic modulus. The first and second polymer layers are bonded by consolidation. In a second aspect, a cover window for a display includes a hard coat layer and the multilayer polymer film of the first aspect. The first polymer layer of the multilayer polymer film is the layer farthest from the display and is adhered to the hard coat layer.

Abstract: In a first aspect, a coated film includes a polyimide film, a curable resin coating composition and an adhesion-promoter. The curable resin coating composition includes a curable oligomer and first nanoparticles. The adhesion-promoter includes a polyamic acid composition and is on a surface of the polyimide film that is in contact with the curable resin coating composition. In a second aspect, an electronic device includes the coated film of first aspect.

Abstract: The invention relates to a method of manufacturing a dielectric filter. The method comprises the steps of: (a) preparing a ceramic substrate; (b) applying a conductive paste on the ceramic substrate, wherein the conductive paste comprises, (i) 100 parts by weight of a conductive powder, (ii) 0.1 to 10.0 parts by weight of a glass frit comprising silicon oxide, boron oxide, aluminum oxide and an alkaline metal oxide, and (iii) an organic vehicle; and (c) firing the applied conductive paste.

Abstract: A polymer thick film carbon black composition comprising 6-13 wt % conductive carbon black powder; and 87-94 wt % organic medium comprising thermoplastic polyurethane resin dissolved in an organic solvent may be used to form the resistive element of heaters in applications where significant stretching is required, particularly on substrates that can be highly elongated and, in particular, that can be used in wearable garment applications.

Abstract: This invention provides a polymer thick film dielectric paste composition, comprising a mixture of titanium dioxide and boron nitride powders, a resin blend of polyol and phenoxy resin, one or more additives selected from the group consisting of a linear aliphatic polyester, a block copolymer, a blocked aliphatic polyisocyanate, and a wetting and dispersing agent, and one or more polar, aprotic solvents. The paste composition may be used to form polymer thick film dielectric layers in electrical circuits subject to thermoforming and in articles requiring stretchable dielectric layers such as wearables.

Abstract: This invention provides gloves and socks containing printed heaters. The glove or sock with a heater comprises a glove or sock, a substrate with the outline of the glove or sock, and a heater printed on the substrate wherein the substrate is laminated to the glove or sock. The heater comprises two printed conductive bus bars with extensions traversing the substrate and an array of printed resistive areas arranged so that each area is between and overlaps and is contiguous to two conductors, one of which is one of the bus bars or its extensions and the second is the other bus bar or its extensions.

Abstract: This invention is related to electrical connections in wearable garments and other articles that enable the transfer of electrical signals or electrical power from one site in the garment or article to another site on the garment or article by the use of an electrical conductor printed along the length of a sewable substrate which bridges the two sites.

Abstract: This invention is directed to stretchable polymer thick film compositions useful for wearable garments. More specifically, the polymer thick film may be used in applications where significant stretching is required, particularly on substrates that can be highly elongated. A particular type of substrate is a thermoplastic polyurethane substrate.

Abstract: An aqueous ink-jet ink which contains an aqueous vehicle, a dispersed binder, and one or more nonionic surfactants. The aqueous vehicle contains solvents with boiling points less than 200° C., or solvents with boiling points greater than 200° C. and having a solubility of water in solvents of less than 50% by weight. The ink is particularly advantageous for printing on coated offset media with.

Abstract: The present invention provides a thick-film paste composition for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal and a dual-frit oxide composition dispersed in an organic medium.

Abstract: The present disclosure is directed to a base film having a chemically converted polyimide, a non-carbon black pigment and a particulate polyimide matting agent. The particulate polyimide matting agent is present in an amount from 1.6 to 9 weight percent of the base film.

Abstract: Disclosed herein is a wallpaper, including: (a) a paper substrate including a paper layer and an ink decorative layer attached to an upper surface of the paper layer that faces away from the wall during use; (b) a fluorine-containing coating attached to a surface of the ink decorative layer; and (c) a supporting layer attached to a lower surface of the paper substrate, in which the supporting layer comprises 25 to 45 wt % of polyacrylate, 25 to 40 wt % of a styrene-acrylic acid copolymer and 10 to 50 wt % of inorganic particles based on the total weight of the supporting layer, wherein the inorganic particles are selected from the group consisting of silicon dioxide, titanium dioxide, calcium carbonate, kaolin clay, diatomite and talc powder, and a combination of two or more thereof.

Abstract: Disclosed herein are solar cells comprising semiconductor substrates and Cu electrodes attached thereto, wherein, the Cu electrodes are derived from conductive pastes containing powder mixtures of Cu particles and crystalline Ge particles and glass frits dispersed in organic media.

Abstract: The present invention provides a thick-film paste composition comprising an electrically conductive metal and an oxide composition dispersed in an organic medium. The paste composition is printed on the front side of a solar cell device having one or more insulating layers and fired to form an electrode, and is suitable for devices having both highly and lightly doped emitter structures.

Abstract: This invention is directed to stretchable polymer thick film compositions useful for wearable garments. More specifically, the polymer thick film may be used in applications where significant stretching is required, particularly on substrates that can be highly elongated. A particular type of substrate is a thermoplastic polyurethane substrate.

Abstract: Disclosed herein are electrically conductive adhesives (ECA) comprising: (a) organic binder, (b) electrically conductive powders comprised of silver particles and surface coated copper particles, and optional (c) solvent.

Abstract: Disclosed herein are electrically conductive adhesives (ECA) comprising: (a) organic binder, (b) electrically conductive powders comprised of surface coated spherical copper particles and surface coated flaky copper particles, and optional (c) solvent.