Title:
VIRTUAL REALITY DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/127908
Kind Code:
A1
Abstract:
Provided is a thin virtual reality display device having a pancake lens capable of reducing leakage light. The virtual reality display device comprises at least an image display panel, a first absorptive-type linear polarizer, a first phase difference layer, a reflective-type circular polarizer, a half mirror, a second phase difference layer, and a second absorptive-type linear polarizer in the stated order and the reflective-type circular polarizer has an action of a concave mirror for rays entering from the half mirror side.
Inventors:
YAMADA NAOYOSHI (JP)
Application Number:
PCT/JP2022/048334
Publication Date:
July 06, 2023
Filing Date:
December 27, 2022
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B27/02; G02B5/30
Domestic Patent References:
| WO2021200428A1 | 2021-10-07 | |||
| WO2019131950A1 | 2019-07-04 |
Foreign References:
| JPH11237584A | 1999-08-31 | |||
| US20210036264A1 | 2021-02-04 | |||
| US10890776B1 | 2021-01-12 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
Download PDF: