公开(公告)号：US20190179263A1

公开(公告)日：2019-06-13

申请号：US16216518

申请日：2018-12-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yongjun LIM ,  Hayan KIM ,  Keehoon HONG

IPC: G03H1/22 ,  G03H1/00 ,  G03H1/24

Abstract: According to the present invention, by providing a hologram displaying apparatus including a light source configured to output a plurality of lights of different wavelengths in a first direction, a generator configured to generate a plurality of color holograms of different wavelengths using the plurality of light, and output the plurality of color holograms in the first direction, a filter configured to filter an effective hologram which is an element of an effective band of the plurality of color holograms in the first direction, and a display configured to transmit the effective hologram in the first direction and display the effective hologram in space in the first direction, it is possible to effectively filter an effective band of a certain diffraction order of each color hologram forming a composing hologram.