公开(公告)号：US20200183220A1

公开(公告)日：2020-06-11

申请号：US16793122

申请日：2020-02-18

Applicant: Japan Display Inc.

Inventor： Tetsuro OCHI ,  Ken SUGIYAMA ,  Toshiyuki TSUBOTA ,  Kazunari NISHITA

IPC: G02F1/1333 ,  G02F1/13357 ,  F21V8/00

Abstract: A backlight device is provided and includes a frame formed of a sheet material; a first adhesive layer provided on one surface of the frame; a reflective sheet attached to the frame with the first adhesive layer; an optical member disposed on the reflective sheet in the frame; and a light source disposed in the frame and configured to emit light to the optical member, wherein in at least a part of the frame, a width of the frame and a width of the first adhesive layer are equal to each other, and at least an internal surface of the frame and an internal surface of the first adhesive layer are flush with each other.