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Display device

  • US 10,048,495 B2
  • Filed: 05/31/2016
  • Issued: 08/14/2018
  • Est. Priority Date: 07/29/2015
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • a display module emitting display light;

    a polarizing element which includes a transmission axis transmitting first linearly polarized light and reflects second linearly polarized light intersecting the transmission axis;

    a retroreflective element comprising a base, and first and second retroreflectors each retroreflecting light made incident without transmitting the base; and

    a retarder element disposed between the display module and the polarizing element and between the retroreflective element and the polarizing element to add a retardation to transmitted light, whereinthe base includes an even surface,the first and second retroreflectors are disposed between the even surface and the display module and between the even surface and the retarder element,the first and second retroreflectors are adjacent to each other,each of the first and second retroreflectors comprises a recess portion on a side facing the retarder element,each of the first and second retroreflectors includes three reflective surfaces perpendicular to each other,the recess portion is surrounded by the three reflective surfaces,an intersection portion of a first reflective surface of the first retroreflector and a second reflective surface of the second retroreflector forms a protruding portion, andthe retroreflective element further comprises a light-shielding film which covers the protruding portion.

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