Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/026515
Kind Code:
A1
Abstract:
Provided is a display device that can suppress unwanted images from being viewed to an observer and other people. This display device includes: an image light generation device that generates image light; and a light guide plate that guides the image light from the image light generation device to an eyeball. The light guide plate includes: a light guide plate main body having a light entry surface where the image light enters, and an optical surface group including a plurality of optical surfaces that guide the image light that has gone through the light entry surface; at least one reflective surface that is provided inside the light guide plate main body and reflects, to the eyeball side, the image light that has gone through the optical surface group; and at least one light blocking portion that is provided to the light guide plate main body and blocks a stray light component of the image light. The foregoing makes it possible to provide a display device that can suppress unwanted images from being viewed to an observer and other people.
Inventors:
AIKI KAZUMA (JP)
IMAI SATOSHI (JP)
MUKAWA HIROSHI (JP)
IMAI SATOSHI (JP)
MUKAWA HIROSHI (JP)
Application Number:
PCT/JP2022/005025
Publication Date:
March 02, 2023
Filing Date:
February 09, 2022
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G02B27/02; H04N5/64
Foreign References:
| JP2016110782A | 2016-06-20 | |||
| JP2001290102A | 2001-10-19 | |||
| EP3761103A1 | 2021-01-06 | |||
| US20210080729A1 | 2021-03-18 | |||
| CN112130332A | 2020-12-25 | |||
| US8760762B1 | 2014-06-24 |
Attorney, Agent or Firm:
WATANABE Kaoru (JP)
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