Title:
IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/153025
Kind Code:
A1
Abstract:
An image display device according to the present invention comprises: a hologram light-guide plate (22); and a display light generation unit that causes two types of display light of which the polarization directions are different from each other to be incident on an incident region (A11) of the hologram light-guide plate (22). The hologram light-guide plate (22) comprises: a first emission region (A22) that has a hologram (322) formed using a display light in a first polarization direction; a second emission region (A32) that has a hologram (332) formed using a display light in a second polarization direction; and a distribution region (A12) that has a polarization-dependent hologram (312), and that, among the two types of display light incident from the incident region (A11), guides the display light in the first polarization direction to the first emission region (A22) and guides the display light in the second polarization direction to the second emission region (A32).
Inventors:
IMAWAKA KOSUKE
FURUYA HIROYUKI
FURUYA HIROYUKI
Application Number:
PCT/JP2022/039364
Publication Date:
August 17, 2023
Filing Date:
October 21, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; G02B5/30; G02B5/32
Domestic Patent References:
| WO2019088071A1 | 2019-05-09 | |||
| WO2011132406A1 | 2011-10-27 | |||
| WO2021199574A1 | 2021-10-07 | |||
| WO2017146172A1 | 2017-08-31 |
Foreign References:
| JP2019184920A | 2019-10-24 |
Attorney, Agent or Firm:
SHIBANO, Masanori et al. (JP)
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