Title:
THREE-DIMENSIONAL SURFACE DISPLAY DEVICE AND VEHICLE-USE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/186450
Kind Code:
A1
Abstract:
Provided is a three-dimensional surface display device comprising: a plurality of light-emitting elements (11) mounted on a mounting member (10); and a plurality of light guide sections (20) each having a light incidence surface (21) on one end side and light extraction surfaces (22) on the other end side. The light incidence surface (21) is arranged to face the light-emitting element (11). The length of at least one of the plurality of light guide sections (20) is different, and the light extraction surfaces (22) are three-dimensionally disposed adjacent to each other.
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Inventors:
SATO RYUHO (JP)
MATSUMOTO AKINORI (JP)
IYODA HARUHIKO (JP)
KOIZUMI HIROYA (JP)
MATSUMOTO AKINORI (JP)
IYODA HARUHIKO (JP)
KOIZUMI HIROYA (JP)
Application Number:
PCT/JP2018/014465
Publication Date:
October 11, 2018
Filing Date:
April 04, 2018
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21S41/24; F21V8/00; F21Y115/10; F21Y115/20
Foreign References:
| JP2014229510A | 2014-12-08 | |||
| JP2016505198A | 2016-02-18 | |||
| JP2016085827A | 2016-05-19 | |||
| JP2015050148A | 2015-03-16 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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