TURNING FILM, DISPLAY APPARATUS, AND PROCESS

摘要

A light redirecting article for redirecting light toward comprises: a light exit surface with features meeting certain requirements; wherein first and second surfaces of the features are opposed to each other at an angle alpha that is in the range from 35 to 55 degrees; wherein the light redirecting article is formed from a material having an index of refraction less than 1.60; and wherein the target angle is from 5 to 25 degrees.