公开(公告)号：US09823507B2

公开(公告)日：2017-11-21

申请号：US14767852

申请日：2013-02-14

Applicant: LG ELECTRONICS INC.

Inventor： Sunki Chae ,  Jihee Park ,  Juyoung Joung ,  Kyungjoon Lee

IPC: G02F1/1335 ,  G09F13/04 ,  G09F13/14

CPC classification number: G02F1/133606 ,  G02F1/133603 ,  G02F1/133605 ,  G02F2001/133607 ,  G09F13/04 ,  G09F2013/0422 ,  G09F2013/147

Abstract: A display device, according to an embodiment of the present disclosure, includes a substrate, a light emitting unit comprising a light emitting element mounted on the substrate and a lens placed on the upper side of the light-emitting element, a reflective layer arranged on the upper surface of the substrate, an optical sheet arranged on the upper side of the reflective layer and disposed at a height spaced apart from the light emitting unit; and a display panel placed on the upper surface of the optical sheet, wherein a center portion of the upper surface of the lens is recessed at a predetermined depth and formed in the shape of a continuous straight line, and the upper surface thereof has an aspheric shape that is curved at a predetermined curvature from the center portion toward the edges, so as to have an anisotropic distribution of light.