Title:
IMAGE DISPLAY DEVICE AND OPTICAL SEE-THROUGH DISPLAY
Document Type and Number:
WIPO Patent Application WO/2016/147868
Kind Code:
A1
Abstract:
The image display device according to the present invention has a display element for displaying an image, and an eyepiece optical system for leading image light from the display element to the pupil of an observer. The eyepiece optical system has a prism and a volume-phase-type holographic optical element, and the holographic optical element is in contact with the prism. The prism surface in contact with the holographic optical element comprises a conical surface, and the prism surface on which the image light from the display element is first incident comprises a conical surface.
Inventors:
INAGAKI YOSHIHIRO (JP)
Application Number:
PCT/JP2016/056418
Publication Date:
September 22, 2016
Filing Date:
March 02, 2016
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B27/02; G02B5/32; G02B17/08
Domestic Patent References:
| WO2014156599A1 | 2014-10-02 |
Foreign References:
| US20140361957A1 | 2014-12-11 | |||
| JP2008511874A | 2008-04-17 | |||
| JP2007183308A | 2007-07-19 |
Other References:
See also references of EP 3270209A4
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
Patent business corporation Sano patent firm (JP)
Patent business corporation Sano patent firm (JP)
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