HOLOGRAM DISPLAY UNIT AND TELEVISION TELEPHONE SET

摘要

PROBLEM TO BE SOLVED: To provide a hologram display unit and a television telephone set which permit using as an information terminal of a large screen. SOLUTION: A hologram display unit 1 is composed of a hologram screen 2 and a projection device 3 by which an image light 31 is projected on to the hologram screen 2. The hologram screen 2 is made up of a transparent touch panel 21 and a hologram film 22 pasted up on the touch panel 21. The above hologram screen 2 is equipped with the visual scope having each angle of visibility of which is 20 deg. or more on the right and left.