Patent ID: 7227078
Filing Date: 2007-06-05
Classification: H01L,Y02E

Abstract:
1. A solar cell unit, comprising: a back electrode, a photovoltaic (PV) layer, and, optionally, a front electrode, with part of the surface of the solar cell unit not generating energy, wherein part of the non-energy-generating part of the solar cell unit is provided with a coloring material and part of the non-energy-generating part of the solar cell unit is provided with a camouflage material, while at least part of the energy-generating part of the solar cell unit is free of a coloring material, the coloring material and the camouflage material having different colors, the color of the coloring material being selected such that the dEab between the part of the solar cell unit provided with a coloring material and the energy-generating part of the solar cell unit is at least about 10 and the color of the camouflage material being adapted to that of the energy-generating part of the solar cell unit.