| http://www.w3.org/ns/prov#value | - Preferably, the inorganic layer comprises plural layers, a layer including the outermost surface at the light extraction side is a high-refractive-index layer having a refractive index of 2.1 to 3.0, and at least one of the other layers among the plural layers is a gas barrier layer having higher gas barrier properties than those of the high-refractive-index layer.01-28-2010
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