REFLECTIVE POLARIZING FILM LAMINATE, LIQUID CRYSTAL DISPLAY OPTICAL MEMBER PRODUCED USING THE SAME, AND LIQUID CRYSTAL DISPLAY

摘要

PROBLEM TO BE SOLVED: To provide a reflective polarizing film laminate capable of multifunctionalizing an optical member used in a liquid crystal display, allowing reduction of the number of various optical films used in the liquid crystal display device, and enhancing the level and uniformity of brightness, a liquid crystal display optical member produced using the same, and a liquid crystal display.SOLUTION: In a reflective polarizing film laminate in which a microporous film is disposed on one surface of a reflective polarizing film comprising a uniaxially stretched multilayer laminate film having a first layer and a second layer which are alternately laminated, the reflective polarizing film comprising the uniaxially stretched multilayer laminate film, has a polarization degree (P) of not less than 99.0% calculated from an average transmittance in a wavelength range of 400-800 nm. The microporous film has a porosity of not less than 50% and not more than 90%, and a film thickness of not less than 1 m and not more than 15 m. Voids which make up the microporous film have an average hole diameter of not less than 0.1 m and not more than 0.5 m, and a hole shape factor f of not less than 1.5 and not more than 10.0.