The present invention relates to: an OLED device laminate using high-refractive-index and low-refractive-index organic/inorganic hybrid materials; an OLED device manufacturing method; and an OLED device manufactured thereby, and relates to an OLED device laminate using organic/inorganic hybrid materials, the laminate comprising: a light-transmitting substrate; and an internal optical extraction layer or an external optical extraction layer formed on one surface of the light-transmitting surface, wherein the internal optical extraction layer or the external optical extraction layer is a scattering region formed by coating a high-refractive-index or low-refractive-index organic/inorganic hybrid material, and the high-refractive-index or low-refractive-index organic/inorganic hybrid material is prepared by coupling a titanium- or silica-based refractive index-functional metal alkoxide to a copolymer of methyl methacrylate (MMA) and 3-(trimethoxysilyl) propyl methacrylate (MSMA) as a precursor (P) by using a sol-gel method.
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