公开(公告)号：US10935715B2

公开(公告)日：2021-03-02

申请号：US16351244

申请日：2019-03-12

申请人： Samsung Display Co., Ltd.

发明人： Keunwoo Park ,  Donggil Son ,  Hongbeom Lee ,  Taewoo Lim ,  Dongwoo Kim ,  Minsu Kim ,  Seongyeon Lee

IPC分类号： G02B6/00 ,  F21V8/00

摘要： A display device includes: a first light guide plate and a display panel disposed along a first direction; a second light guide plate between the first light guide plate and the display panel to be spaced apart from the first light guide plate; a light source at at least one of one side of the first light guide plate and one side of the second light guide plate; at least one first optical pattern on one of surfaces of the first light guide plate that face each other along the first direction; and at least one second optical pattern on one of surfaces of the second light guide plate that face each other along the first direction, wherein the first optical pattern and the second optical pattern do not overlap each other.