Title:
AERIAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/208097
Kind Code:
A1
Abstract:
An aerial display device comprises: a display element (20) for displaying an image; a mirror device (10) that includes a plurality of optical elements (12) each having two reflective surfaces arranged perpendicular to each other and reflects display light from the display element (20) to form an aerial image (30) at a position plane-symmetrical with respect to the display element (20); and a light-shielding member (40) that is arranged on the optical path between the display element (20) and the aerial image (30), has an opening (40A) that allows part of incident light to pass therethrough, and blocks the light entering a region other than the opening (40A).
Inventors:
DAIKU YASUHIRO (JP)
Application Number:
PCT/JP2019/013796
Publication Date:
October 31, 2019
Filing Date:
March 28, 2019
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G02B27/22; G02B5/00; G02B5/08
Domestic Patent References:
| WO2017018204A1 | 2017-02-02 | |||
| WO2009136578A1 | 2009-11-12 |
Foreign References:
| JP2014106354A | 2014-06-09 | |||
| JP2016126285A | 2016-07-11 | |||
| JP2013257529A | 2013-12-26 | |||
| JP2012163701A | 2012-08-30 | |||
| JP2017138357A | 2017-08-10 | |||
| US20180039090A1 | 2018-02-08 | |||
| JP2014126683A | 2014-07-07 | |||
| JP2017067933A | 2017-04-06 |
Other References:
See also references of EP 3786687A4
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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