Abstract: A photovoltaic element has a first collecting electrode and a second collecting electrode on a light-receiving surface and has a configuration in which the first and the second collecting electrodes are electrically joined to each other on an insulating member. In the photovoltaic element, a second resin layer having a high compatibility with a component of the insulating member covers a boundary between the insulating member and a first resin layer formed on the light-receiving surface, thereby achieving cost reduction and improvement in durability.

Abstract: The present invention provides a method for manufacturing a solar cell module having photovoltaic elements in each of which a metal oxide layer made of a metal oxide forms an outermost surface part thereof at a light incident side, and a sealing resin layer formed on the metal oxide layer. The method includes the steps of providing water on a surface of the metal oxide layer, the water being chemically adsorbed thereto; irradiating the metal oxide layer with electromagnetic waves for a predetermined time so that the contact angle of the water on the surface of the metal oxide layer is 60° or less, the electromagnetic waves having energy larger than the band gap of the metal oxide; and subsequently forming the sealing resin layer on the metal oxide layer.

Abstract: There is disclosed a method of producing a solar cell module comprising the steps of: mounting a body to be laminated onto a tabular member, carrying in the body to be laminated along with the tabular member onto a heated mounting board; heat-bonding the body to be laminated by pressing with an expanding unit; carrying out the body to be laminated along with the tabular member from the mounting board after parting the expanding unit from the body to be laminated; and separating the body to be laminated from the tabular member. By using the method, a temperature of the body to be laminated does not increase rapidly and a foaming phenomenon is suppressed, thereby allowing manufacturing of the solar cell module with a high yield.

Abstract: Provided is an encapsulant resin for a semiconductor that effectively functions even with a relatively small amount of an additive. The encapsulant resin for a semiconductor is characterized in that the additive has a concentration gradient in the direction of thickness of the encapsulant resin. Specifically, the concentration gradient of the additive is established in the direction of thickness of the encapsulant resin by stacking at least two types of organic polymer resins containing different contents of the additive to form the encapsulant resin or by applying an electric field to the encapsulant resin to effect electrophoresis of the polar additive in the encapsulant resin.

Abstract: The present invention provides a coating material that resin-coats a light-receiving plane side of a photovoltaic element, and which can increase a conversion efficiency by effectively using light incident on the photovoltaic element and is excellent in weatherability, because the coating material comprises a resin that is a polymer blend containing at least a first polymeric material, and a second polymeric material made by bonding a polymer component (A) and a polymer component (B), wherein the polymer component (A) includes a functional group with comparatively high compatibility with the first polymeric material, and a polymer component (B) includes a functional group with compatibility with the first polymeric material that is lower than the compatibility of the functional group of the polymer component (A), and wherein the polymer component (B) forms an aggregate.

Abstract: The present invention relates to a solar cell module and a building-integrated solar cell module having a sealing composition made of a polymer blend or a polymer alloy. The blend or alloy is made of at least one polyolefin series copolymer and at least one crystalline polyolefin. The copolymer has a fusing point Ta by a differential scanning calorimetry which fall in a range of 50 to 110° C. The crystalline polyolefin has a fusing point Tb by a differential scanning calorimetry which falls in a range of from 110 to 170° C.

Abstract: A process and an apparatus for producing a substrate having a resin-sealed structure which excels in the weather resistance and durability, characterized in that a weir member is arranged in the vicinity of edges of a substrate to be coated so that a resin layer-forming precursor which is spouted in order to form a resin layer which coats said substrate stays in edges of said substrate, where the edges of the substrate are coated with said resin layer-forming precursor.

Abstract: The present invention provides a photovoltaic device assembly comprising a plurality of photovoltaic devices connected with one another, wherein no rectangular corner part is formed in the peripheral parts of the photovoltaic device assembly itself and the shape of the peripheral parts of the photovoltaic devices is composed of straight lines and curved lines connecting the straight lines to one another, thereby preventing penetration owing to the effects of manufacture, installation, transportation, handling, and the state after installation of the solar cell module.

Abstract: A photovoltaic element has a first collecting electrode and a second collecting electrode on a light-receiving surface and has a configuration in which the first and the second collecting electrodes are electrically joined to each other on an insulating member. In the photovoltaic element, a second resin layer having a high compatibility with a component of the insulating member covers a boundary between the insulating member and a first resin layer formed on the light-receiving surface, thereby achieving cost reduction and improvement in durability.

Abstract: The present invention provides a coating material which resin-coats a light-receiving plane side of a photovoltaic element, and which can increase a conversion efficiency by effectively using light incident on the photovoltaic element and is excellent in weatherability since the coating material comprises a resin which is a polymer blend containing at least a first polymeric material, and a second polymeric material made by bonding a polymer component (A) and a polymer component (B), wherein the polymer component (A) includes a functional group with comparatively high compatibility with the first polymeric material, and a polymer component (B) includes a functional group with compatibility with the first polymeric material which is lower than the compatibility of the functional group of the polymer component (A), and wherein the polymer component (B) forms an aggregate.

Abstract: A solar cell module comprises a photovoltaic element, the light-receiving surface and/or non-light-receiving surface of a photovoltaic element being sealed by organic polymeric resin layers, wherein when at least one of the organic polymeric resin layers contains a specific ethylene-unsaturated fatty acid ester-unsaturated fatty acid terpolymer, thereby providing a solar cell module which has excellent weather resistance, heat resistance and moisture resistance and an excellent photoelectric conversion and which can maintain stable solar cell performance over a long period of time.

Abstract: The present invention provides a photovoltaic device assembly comprising a plurality of photovoltaic devices connected with one another, wherein no rectangular corner part is formed in the peripheral parts of the photovoltaic device assembly itself and the shape of the peripheral parts of the photovoltaic devices is composed of straight lines and curved lines connecting the straight lines to one another, thereby preventing penetration owing to the effects of manufacture, installation, transportation, handling, and the state after installation of the solar cell module.

Abstract: A sealing composition for a solar cell, comprising a polymer blend or a polymer alloy which comprises at least one kind of a polyolefin series copolymer and at least one kind of a crystalline polyolefin. A solar cell module in which said sealing composition is used and a building material-integral type solar cell module in which said sealing composition is used.

Abstract: A solar cell module includes a substrate, a photo-electricity generating device (i.e., a solar cell or a block of solar cells), a filler resin sealing the photo-electricity generating device on the substrate, and a surface film covering the filler resin. An insulating film is inserted between the photo-electricity generating device and the substrate so as to be inside the substrate, and an inorganic fibrous sheet is inserted between the photo-electricity generating device and the surface film so as to be disposed inside the insulating film. The substrate is bent at a portion thereof free from the insulating film. The solar cell member thus provided can exhibit a long-term reliability for outdoor use because of effective suppression of intrusion of moisture thereinto.

Abstract: A solar cell module comprising a solar cell element and at least a surface side covering material positioned on the light receiving face side of said solar cell element, said surface side covering comprising at least a filler, a nonwoven glass fiber member, and a surface protective film, wherein said nonwoven glass fiber member has a texture bonded with an acrylic resin or is treated with a silane coupling agent.

Abstract: A solar cell module includes a substrate, a photo-electricity generating device (i.e., a solar cell or a block of solar cells), a filler resin sealing the photo-electricity (generating device on the substrate, and a surface film covering the filler resin. An insulating film is inserted between the photo-electricity generating device and the substrate so as to be inside the substrate, and an inorganic fibrous sheet is inserted between the photo-electricity generating device and the surface film so as to be disposed inside the insulating film. The substrate is befit at a portion thereof free from the insulating film. The solar cell member thus provided can exhibit a long-term reliability for outdoor use because the moisture is affectively prevented from penetrating the solar cell.

Abstract: A semiconductor device having a semiconductor element, characterized in that said semiconductor device comprises a stacked body obtained by providing a laminate comprising said semiconductor element and a sealing resin which are interposed between a front surface member and a back face member, evacuating said laminate at a vacuum of 5 Torr or less for 5 to 40 minutes, subjecting the laminate thus treated to thermocompression bonding at a vacuum degree of 5 Torr or less, and cooling the laminate subjected to said thermocompression bonding so as to engage in contact bonding. The laminated semiconductor device is free of the air bubbles therein.

Abstract: A solar cell module is constructed in such an arrangement that a photovoltaic element is covered by at least a sealant resin and a surface protecting film, wherein the oxygen permeability of the surface protecting film is not less than 1 cc/m2·24 hr·atm and not more than 50 cc/m2·24 hr·atm at 25° C./90% RH, thereby providing the solar cell module with high reliability, free of deterioration of the sealant resin, particularly free of yellowing, in long-term outdoor exposure use.

Abstract: A solar cell module comprising a photovoltaic element, and at least a surface side filler and a surface protective member which are disposed in this order on a light incident face of said photovoltaic element, wherein said surface side filler comprises a non-crosslinked organic polymer resin and a crosslinked organic polymer resin, said crosslinked organic polymer resin being provided on at least a surface of said non-crosslinked organic polymer resin. Said solar cell module excels particularly in weatherability and moisture resistance.

Abstract: A solar cell module comprising a photovoltaic element having a light receiving face on which a collecting electrode having an electrically conductive coat and a surface side cover comprising a filler and a surface protective film sequentially laminated on the light incident side of said photovoltaic element, wherein a thin resin layer is interposed between said photovoltaic element and said filler such that gaps present in said conductive coat of the collecting electrode are filled by said thin resin layer.