Patent ID: 8714805

Claim:
A display apparatus comprising: at least one light source which emits light; a light guide plate which has a plurality of surfaces and guides the light from the at least one light source; a display panel which receives the light from the light guide plate and displays an image, wherein the plurality of surfaces comprises: a light incident surface facing the at least one light source and which receives the light; and an upper surface connected to the light incident surface and which outputs the light, and wherein the light incident surface of the light guide plate comprises: a first surface extending in a predetermined direction; and a plurality of second surfaces inclined from the first surface in an area corresponding to the light source such that at least one optical recess having a polygonal pyramid shape is defined by the second surfaces on the light incident surface; and an optical member comprising: a third surface between the light incident surface and the light source and substantially parallel to the first surface of the light incident surface; a fourth surface opposite to the third surface and facing the light source; a plurality of fifth surfaces inclined from the third surface and which connects the third surface with the fourth surface; and a plurality of sixth surfaces substantially vertical to the third surface and which connects the third surface with the fourth surface.