PHOTOFUNCTIONAL LAMINATE

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PROBLEM TO BE SOLVED : To provide a photofunctional laminate featuring various kinds of excellent photofunctions, especially luminous intensity, luminous efficiency, fluorescent life and photoamplification. SOLUTION : This photofunctional laminate is structured of a transparent base material (L0), a photofunctional layer (L1) consisting of a fluorine-containing polymer (A) and a rare earth metallic compound (B), formed on the base material (L0) and a low refractive index layer (L2) formed on the layer (L1). In addition, this laminate has a relationship of n(L0)≥n(L1)>n(L2), when the refractive indices of the layers are given as n(L0), n(L1) and n(L2) respectively. COPYRIGHT : (C)2006, JPO&NCIPI