公开(公告)号：US20240272585A1

公开(公告)日：2024-08-15

申请号：US18441340

申请日：2024-02-14

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Gyu PARK ,  Sung II Kim ,  Sung Hoon Hong

IPC: G03H1/00 ,  G02B30/35 ,  G02B30/36

CPC classification number: G03H1/0005 ,  G02B30/35 ,  G02B30/36 ,  G03H2001/0088 ,  G03H2223/18 ,  G03H2223/19 ,  G03H2223/24

Abstract: The present disclosure relates to a holographic sheet and a hologram display apparatus including the same. The hologram sheet may include a prism array configured to refract light incident from the outside, and a reflective sheet disposed to face the prism array and configured to reflect the light refracted by the prism array and generate a floating image.