Backlight unit including a light guide member and method of fabricating such light guide members

摘要

A light guide member capable of guiding light received from at least a first light source and second light source, wherein the first light source is spaced a distance D3 from the second light source. The light guide member includes a first side including a plurality of first grooves extending along a first direction and a plurality of second grooves extending along the first direction, wherein the first grooves have a first pitch and the second grooves have a second pitch, the first pitch being different from the second pitch.