摘要:
The present invention relates generally to photovoltaic devices, and more particularly to photovoltaic roofing products in which a photovoltaic element is joined to a roofing substrate. In one embodiment, the present invention provides a photovoltaic roofing element comprising a roofing substrate; one or more photovoltaic cells disposed on the roofing substrate; and a colored or patterned layer disposed on the roofing substrate and visible in the area surrounding the photovoltaic cells; and an encapsulant layer disposed over the photovoltaic cells and the patterned colored layer.
摘要:
The present invention relates generally to photovoltaic devices, and more particularly to photovoltaic roofing products in which photovoltaic elements are affixed to roofing substrates. In one embodiment of the invention, a photovoltaic roofing panel comprising a roofing panel substrate having a top surface; and at least six discrete photovoltaic elements affixed to the roofing panel substrate with their photovoltaically-active areas exposed at the top surface of the roofing panel. Another embodiment of the invention is a photovoltaic roofing assembly comprising: a plurality of discrete photovoltaic roofing elements, each comprising one or more photovoltaic elements affixed to a roofing substrate; and a joining member, wherein the plurality of photovoltaic roofing elements are disposed on and affixed to the joining member and are electrically interconnected.
摘要:
The present invention relates generally to photovoltaic devices. The present invention relates more particularly to photovoltaic roofing products in which a photovoltaic element is joined to a roofing substrate. In one embodiment, the present invention provides a photovoltaic roofing element comprising: an encapsulated photovoltaic element having a top surface and a bottom surface, a top layer material at its top surface and a bottom layer material at its bottom surface; a roofing substrate having a top surface; and a tie layer system disposed between the encapsulated photovoltaic element and the roofing substrate and joining the bottom surface of the encapsulated photovoltaic element to the top surface of the roofing substrate.
摘要:
The present invention relates generally to photovoltaic devices, and more particularly to photovoltaic roofing products in which a photovoltaic element is joined to a roofing substrate. In one embodiment, the present invention provides a photovoltaic roofing element comprising a roofing substrate; one or more photovoltaic cells disposed on the roofing substrate; and a colored or patterned layer disposed on the roofing substrate and visible in the area surrounding the photovoltaic cells; and an encapsulant layer disposed over the photovoltaic cells and the patterned colored layer.
摘要:
The present invention relates generally to photovoltaic devices, and more particularly to photovoltaic roofing products in which a photovoltaic element is joined to a roofing substrate. In one embodiment, the present invention provides a photovoltaic roofing element comprising a roofing substrate; one or more photovoltaic cells disposed on the roofing substrate; and a colored or patterned layer disposed on the roofing substrate and visible in the area surrounding the photovoltaic cells; and an encapsulant layer disposed over the photovoltaic cells and the patterned colored layer.
摘要:
One method for controlling edge thickness includes applying a coating to a moving substrate, thereby forming a film having a cross direction and a machine direction and one or more edges. The method also includes modifying a thickness of a first portion of the coating along one of the edges of the film, thereby forming a film having a substantially predetermined profile in the cross direction. A method of making a polymeric sheet includes applying a polymer to a moving substrate, thereby forming a sheet having a cross direction and a machine direction. This method further includes removing a first portion of the polymer from a first edge of the sheet, thereby the sheet having a substantially predetermined profile in the cross direction.
摘要:
One method for controlling edge thickness includes applying a coating to a moving substrate, thereby forming a film having a cross direction and a machine direction and one or more edges. The method also includes modifying a thickness of a first portion of the coating along one of the edges of the film, thereby forming a film having a substantially predetermined profile in the cross direction. A method of making a polymeric sheet includes applying a polymer to a moving substrate, thereby forming a sheet having a cross direction and a machine direction. This method further includes removing a first portion of the polymer from a first edge of the sheet, thereby the sheet having a substantially predetermined profile in the cross direction.
摘要:
The present invention relates generally to photovoltaic devices. The present invention relates more particularly to photovoltaic roofing products in which a photovoltaic element is joined to a roofing substrate. In one embodiment, the present invention provides a photovoltaic roofing element comprising: an encapsulated photovoltaic element having a top surface and a bottom surface, a top layer material at its top surface and a bottom layer material at its bottom surface; a roofing substrate having a top surface; and a tie layer system disposed between the encapsulated photovoltaic element and the roofing substrate and joining the bottom surface of the encapsulated photovoltaic element to the top surface of the roofing substrate.
摘要:
A roof covering material is provided, as well as its method of manufacture, wherein a substrate, preferably of a fibrous material is provided, with a bituminous material, preferably asphalt coating, on opposite surfaces thereof, with granules being applied to an upper surface thereof and at least partially embedded in the bituminous material, and with a discontinuous top layer applied to the granule/bituminous material. The discontinuous top layer is preferably a polymeric material, and openings are provided therein, for passage of fluids therethrough, to avoid moisture, volatiles, and other fluid materials from being trapped beneath the top layer. Various techniques for application of the various materials, and for chemical treatment, are likewise provided.
摘要:
The present invention relates generally to photovoltaic devices. The present invention relates more particularly to photovoltaic roofing products in which a photovoltaic element is affixed to a roofing substrate. In one embodiment, the present invention provides a photovoltaic roofing element comprising a roofing substrate having a solar reflectivity of greater than 0.25, and one or more photovoltaic elements affixed to the roofing substrate. In another embodiment, the present invention provides a photovoltaic roofing element comprising a roofing substrate comprising a bituminous substrate, and a plurality of colored roofing granules disposed on the bituminous substrate, the roofing substrate having color within the color space of CIE Lab coordinates L* in the range of about 20 to about 20, a* in the range of about −5 to about 5, and b* in the range of −15 to about −5; and one or more photovoltaic elements affixed to the roofing substrate.