公开(公告)号：US20180254801A1

公开(公告)日：2018-09-06

申请号：US15904988

申请日：2018-02-26

Applicant: Japan Display Inc.

Inventor： Yuji SUZUKI ,  Ryota MITO ,  Hiroshi MIZUHASHI ,  Hayato KURASAWA

IPC: H04B5/00 ,  F21V8/00 ,  G02F1/1333 ,  G06F3/044

CPC classification number: H04B5/0025 ,  G02B6/0055 ,  G02F1/13338 ,  G02F1/1336 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04105

Abstract: According to an aspect, a display device includes: a display portion having a display region; a backlight configured to illuminate the display region from a back side of the display portion, the backlight including a light guide plate, and a light source provided facing a lateral side of the light guide plate and configured to emit light; an antenna electrode wound around, facing a back side of the backlight, and configured to reflect light within the display region in a plan view, the light having entered the light guide plate from the light source; and a plurality of dummy electrodes provided on a part of a plane on which the antenna electrode is provided, the part being in a region unoccupied by the antenna electrode. The dummy electrodes reflect light within the display region in a plan view, the light having entered the light guide plate from the light source.