Patent ID: 6061977
Filing Date: 2000-05-16
Classification: H01L,H01M,H02S,Y02B,Y02E,Y02P,Y10S

Abstract:
A roofing element comprising:a board;a plurality of photovoltaic devices arranged in series on a surface of said board, wherein each said photovoltaic device comprises a metal layer, a transparent conductive layer formed on said metal layer, a photoelectric conversion layer formed on said transparent conductive layer and a transparent electrode formed on said photoelectric conversion layer, said transparent conductive layer has an irregular surface at a side opposite to an interface to said metal layer, and said metal layer has a smooth surface at the interface;a conductive sheet arranged in electrical contact with said metal layer and said transparent electrode of adjacent photovoltaic devices, to electrically connect between said photovoltaic devices;a transparent resin material covering said photovoltaic devices and said conductive sheet; andconnection means for connecting electrically and mechanically with a roofing element which is adjacently arranged.