OPTICAL SHEET WITH ENHANCED SCRATCH RESISTANCE, FILTER INCLUDING THE SAME, AND IMAGE DISPLAY DEVICE INCLUDING THE OPTICAL SHEET OR THE FILTER

摘要

Disclosed are an optical sheet, a filter including the same, and an image display device including the optical sheet or the filter. The optical sheet includes: a light transmission portion including a plurality of grooves spaced apart from each other; and a plurality of external light absorption portions which fill the grooves, wherein at least one selected from the group consisting of the light transmission portion and the external light absorption portions includes a slip agent.