Title:
LIGHT-GUIDING PLATE, DISPLAY DEVICE, INPUT APPARATUS, AND ELECTRICAL EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2021/124988
Kind Code:
A1
Abstract:
The present invention implements a light-guiding plate with which it is possible to display a stereoscopic image having an improved stereoscopic effect. This light-guiding plate is provided with a plurality of light path change parts that each converge incident light to a fixed point, and forms a stereoscopic image (IA) in space by a collection of a plurality of fixed points. The stereoscopic image includes a plurality of planes (A, B) not parallel to each other, each plane is composed of a plurality of dots disposed while being scattered on the plane, and the density of the plurality of dots in each plane has a value corresponding to the position of the plane.
Inventors:
TANOUE YASUHIRO (JP)
SHINOHARA MASAYUKI (JP)
TAKAGI YOSHIHIKO (JP)
SHINOHARA MASAYUKI (JP)
TAKAGI YOSHIHIKO (JP)
Application Number:
PCT/JP2020/045694
Publication Date:
June 24, 2021
Filing Date:
December 08, 2020
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
G02B30/56; F21S2/00; G02B6/00; G09F13/18; G09F19/12; F21Y115/10
Domestic Patent References:
| WO2018016243A1 | 2018-01-25 |
Foreign References:
| JP2016130832A | 2016-07-21 | |||
| JP2009265309A | 2009-11-12 | |||
| JP2015024497A | 2015-02-05 | |||
| US20110116049A1 | 2011-05-19 |
Attorney, Agent or Firm:
MURAKAMI, Takashi (JP)
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