MULTIFUNCTIONAL POLYMER RESIN FILM FOR OLED WINDOW AND PREPARATION METHOD THEREOF

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PURPOSE : Provided is a multifunctional polymer resin film for a monolithic organic light emitting display(OLED) window, which imparts an improved color purity and color temperature to a monolithic OLED window, and is obtained via a simple molding or extrusion process. CONSTITUTION : The multifunctional polymer resin film for a monolithic OLED window comprises an acrylic, carbonate-based, ester-based or urethane-based polymer resin film(100) and a dye or pigment(120) selectively absorbing the visible light. In the multifunctional polymer resin film, the dye includes a pyrromethene-based, porphyrin-based or cyanine-based visible light-absorbing pigment. The pigment includes a rare earth element selected from Nd, Pr and Er and is used in an amount of 5-20 wt%% based on the total weight of the polymer resin film. © KIPO 2007