LIGHT GUIDE PLATE, AND BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME

• Main Authors: PARK MIN-KYOUNG, KIM DONG-YONG, YOON JONG-MOON
• Format: Patent
• Language: English
• Published: 18.02.2016
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

The present invention relates to a light guide plate, and a backlight unit and display device including the same. According to an aspect of the present invention, there is provided a light guide plate, including: a light output surface configured to output light toward the outside; a reflective surface positioned at the opposite side of the light output surface; a light incident surface provided on at least one side surface among the side surfaces connecting the light output surface to the reflective surface to receive light irradiated from a light source; and a reflective pattern having a quadrilateral shape when viewed in a direction perpendicular to the reflective surface, and having a concave portion recessed toward an inner portion of the reflective surface and an embossed portion protruding from an edge of the concave portion toward an outer portion of the reflective surface.