초록 ▼

In order to reduce or prevent absorption of water in the adhesive of a panel comprising at least one photovoltaic cell located between a transparent sheet and a second sheet bonded together using an adhesive material, the invention provides that another material is applied at least in part between t

In order to reduce or prevent absorption of water in the adhesive of a panel comprising at least one photovoltaic cell located between a transparent sheet and a second sheet bonded together using an adhesive material, the invention provides that another material is applied at least in part between the sheets to form a moisture barrier which surrounds the cell(s) and the adhesive. The preferred adhesive material is polyvinyl butyral, and the preferred barrier forming material is selected from neoprene based adhesives, polysulphide adhesives and polyvinylidene chloride. When the latter is used a second barrier forming material such as polysulphide adhesive is preferably interposed between the adhesive and the polyvinylidene chloride.

대표청구항 ▼

A method of manufacturing a panel of the kind which comprises at least one photo-voltaic cell located between a transparent sheet and a second sheet, said method comprising: bonding said sheets together with the voltaic cell therebetween by assembling between the sheets a laminating adhesive in the

A method of manufacturing a panel of the kind which comprises at least one photo-voltaic cell located between a transparent sheet and a second sheet, said method comprising: bonding said sheets together with the voltaic cell therebetween by assembling between the sheets a laminating adhesive in the form of at least one film of polyvinylbutyral which has been cut to an area less than that of either of said sheets so that in the assembled bonded form there is a peripheral groove around the assembly, and filling the peripheral groove with another adhesive material applied at least in part between the sheets to form a moisture barrier which surrounds said photo-voltaic cell and said first-mentioned adhesive. A panel comprising at least one photo-voltaic cell located between a transparent sheet and a second sheet bonded together by an intervening laminating adhesive layer of polyvinylbutyral and a body of another adhesive material surrounding said cell and said laminating adhesive, said body being located at least in part between the sheets and forming a moisture barrier which surrounds said cell and said laminating adhesive.