公开(公告)号：US20180284469A1

公开(公告)日：2018-10-04

申请号：US15942619

申请日：2018-04-02

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Yudai NUMA TA

IPC: G02B27/22 ,  G02F1/1335 ,  G02F1/133 ,  G02F1/29 ,  G02B5/124

Abstract: According to one embodiment, a display device comprises a light modulating element which transmits or reflects incident light, a display unit which emits display light toward the light modulating element, and a retroreflective element which retroreflects the display light reflected from the light modulating element, the light modulating element including an inner surface on a side opposed to the display unit and the retroreflective element, and an outer surface on a side opposite to the inner surface, the light modulating element includes a first mode of transmitting light incident from the outer surface at a first transmittance, and a second mode of transmitting the light incident from the outer surface at a second transmittance lower than the first transmittance.