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INTERFERENCE FILTER WITH ANGULAR INDEPENDENT ORANGE COLOUR OF REFLECTION AND HIGH SOLAR TRANSMITTANCE, SUITABLE FOR ROOF-INTEGRATION OF SOLAR ENERGY SYSTEMS
INTERFERENCE FILTER WITH ANGULAR INDEPENDENT ORANGE COLOUR OF REFLECTION AND HIGH SOLAR TRANSMITTANCE, SUITABLE FOR ROOF-INTEGRATION OF SOLAR ENERGY SYSTEMS
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机译:具有反射的角独立橙色颜色和高太阳能透射率的干扰滤波器,适合于太阳能系统的屋顶集成
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摘要
Solar glazing unit, suitable for photovoltaic modules and solar thermal collectors, comprising a substrate delimited by two main faces and a multi-layered interference filter also delimited by two main faces, one main face of said substrate being adapted to be in contact with an incident medium, the other main face being in contact with a main face of said interference filter, the other main face of said interference filter being adapted to be in contact with an exit medium; said incident medium having a refractive index ninc = 1, said substrate having a refractive index nsubstrate defined as follows : 1.45 nsubstrate 1.6 at 550 nm, and said exit medium having a refractive index nexit = 1 or defined as follows 1.45 nexit 1.6 at 550 nm; and wherein said unit is designed in such a way that the CIE colour stability E*Norm, as observed under daylight illumination CIE D65 at higher angles of reflection r (r 10°), is less than 15 or E*Norm (r / 3°) for 10° 60°.
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