METHOD FOR MANUFACTURING POLARIZING FILM WITH BLEACHING PATTERN FORMED THEREON

摘要

The present invention relates to a method for manufacturing a polarizing film with a bleaching pattern formed thereon, the method comprising the steps of: (1) heating a polarizing film; (2) discharging an ink composition on the heated polarizing film through an inkjet head of an inkjet printer, followed by a bleaching reaction; and (3) neutralizing the bleached polarizing film, wherein the amount of the ink composition discharged in step (2) is 0.02-0.5 ml/cm2 per unit area of the heated polarizing film.