Prism Sheet and Backlight Unit Using The Same

摘要

A prism sheet capable of achieving an enhancement in light efficiency and viewing angle characteristics and a backlight unit using the prism sheet are disclosed. The prism sheet includes: a condensing film (152) which transmits light incident to the condensing film (152); a plurality of prism crests (154) on the condensing film (152) having apexes; and a plurality of reflection patterns (156) formed on the condensing film (152) such that each of the reflection patterns (156) faces a boundary of adjacent prism crests (154).