公开(公告)号：US20220179233A1

公开(公告)日：2022-06-09

申请号：US17543356

申请日：2021-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Vladimir Nikolayevich BORISOV ,  Svetlana Vladimirovna DANILOVA ,  Ilia Valer'evich MALYSHEV ,  Nikolay Victorovich MURAVEV ,  Mikhail Vyacheslavovich POPOV ,  Stanislav Aleksandrovich SHTYKOV ,  Alexander Alekseyevich ASPIDOV

IPC: G02B30/56 ,  G02B27/10

Abstract: A mid-air image display device and an operation method thereof are provided. The mid-air image display device includes: a projection system configured to generate a light beam for an image; at least one positive lens; and a light multiplication module comprising a first transmission grating, a second transmission grating, a waveguide and a reflection grating, and configured to receive the light beam from the projection system and transmit the received light beam through the first transmission grating, the second transmission grating, the waveguide and the reflection grating, wherein the at least one positive lens is disposed on the light multiplication module, and configured to receive the light beam transmitted through the light multiplication module to form a mid-air image.