OPTICAL FILM, AND AN ELECTRONIC INFORMATION DEVICE COMPRISING THE SAME

摘要

The present invention relates to An optical film comprising an aromatic based unit having chain having the hydroxy group containing portion and aromatic moiety; and a styrene-based unit comprising one or more styrene-based derivatives, and has absolute values of in-plane retardation (R in ) and thickness retardation (R th ) of 10 nm or less regardless of stretching, and a polarizing plate and an information technology apparatus including the same.