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OPTICAL LAMINATE, POLARIZER, METHOD FOR MANUFACTURING POLARIZER, PICTURE DISPLAY UNIT, METHOD FOR MANUFACTURING PICTURE DISPLAY UNIT AND METHOD FOR IMPROVING VISIBILITY OF PICTURE DISPLAY UNIT
OPTICAL LAMINATE, POLARIZER, METHOD FOR MANUFACTURING POLARIZER, PICTURE DISPLAY UNIT, METHOD FOR MANUFACTURING PICTURE DISPLAY UNIT AND METHOD FOR IMPROVING VISIBILITY OF PICTURE DISPLAY UNIT
PROBLEM TO BE SOLVED: To provide a method for improving visibility of a picture display unit that enables production of a picture display unit with excellent antireflection performance and contrast in a bright place, even in a case of using an optical laminate with a light transmissive substrate having in-plane birefringence such as a polyester film.SOLUTION: A method is for improving visibility of a picture display unit with an optical laminate having an optical functional layer on one surface of a light transmissive substrate having in-plane birefringence. The optical laminate is arranged such that a slow axis in which the light transmissive substrate has a larger refractive index is parallel to a vertical direction of a display screen of the picture display unit.
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