The preparation method of polyurethane film for display device

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A method for producing polyurethane film for display devices is provided to minimize insoluble minute particles in order to produce display devices having no screen distortion phenomenon. A method for producing polyurethane film for display devices comprises the following steps of : mixing black master batch pellets and transparent polyurethane pellets, melt-extruding the mixture to prepare a first pellet and re-melt-extruding the prepared pellet to prepare raw pellet in a raw material compounding step; removing moisture in a dehydration step; and filtering the raw pellet through a screen before the pellet is discharged from a screw to a dice and producing a film in an extrusion step.