LIGHT GUIDE PLATE HAVING OPTICAL SHEET AND BACKLIGHT UNIT INCLUDING LIGHT GUIDE PLATE INCLUDING OPTICAL SHEET

摘要

The present invention relates to a backlight light guide plate having an optical sheet, which realizes a highly efficient light extracting structure, and a backlight unit and a display device having the backlight light guide plate. The optical sheet comprises: a light guide plate for propagating light outputted from a light source; and a pyramid sheet or a prism sheet contacting one side of the light guide plate. A plurality of micro pyramids are arranged on the pyramid sheet, and a plurality of micro prisms are arranged on the prism sheet.;COPYRIGHT KIPO 2016