OPTICAL SHEET, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an optical sheet capable of suppressing luminance nonuniformity even when warp occurs on the optical sheet, and to provide a backlight unit and a liquid crystal display device.

SOLUTION: The optical sheet 8 has: a sheet part 8a; and a plurality of unit light-transmissive parts 8b arranged on one side of the sheet part 8a, wherein each of the unit light-transmissive parts 8b has such a shape that side lobe light is prevented from being emitted from each of the unit light-transmissive parts 8b when light is made to be incident on the optical sheet 8 from the side of the sheet part 8a.

COPYRIGHT: (C)2011,JPO&INPIT