PRISM SHEET FOR IMPROVING THE BRIGHTNESS UNIFORMITY OF A LIQUID CRYSTAL DISPLAY AND THE BACKLIGHT UNIT OF A LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME

摘要

PURPOSE: A prism sheet and the backlight unit of a liquid crystal display device including the same are provided to improve display quality by reducing the manufacturing cost of a liquid crystal display.;CONSTITUTION: A prism sheet(220) includes a base layer(222) and a first and a second prism pattern. The base layer receives light from the lower. A plurality of first prism patterns is formed on the base layer. The cross section of the first prism patterns is formed into a triangular shape. A plurality of second prism patterns is protruded at each right and left sidewall of a plurality of the first prism patterns. The cross section of a plurality of first prism patterns is formed into a triangular shape.;COPYRIGHT KIPO 2012