Title:
VEHICLE LIGHT-GUIDING BODY AND VEHICLE LIGHTING UNIT
Document Type and Number:
WIPO Patent Application WO/2023/038010
Kind Code:
A1
Abstract:
The present invention is for emitting a light distribution pattern at suitable illuminance. A vehicular light-guiding body 20 comprises: an entry surface 21; a first reflection surface 22 on which entered light is internally reflected; a second reflection surface 23 on which the light reflected on the first reflection surface 22 is internally reflected forward; a light blocking section 24 that partially blocks the light reflected on the second reflection surface 23; an adjustment surface 25 that extends forward from the front end of the second reflection surface 23; a transmission surface 26 which is provided in the state of extending upward from the front end of the adjustment surface 25 in the up-down direction and through which the light reflected on the second reflection surface 23 is partially transmitted to the outside of the light-guiding body; a connection surface 27 with which the upper end of the transmission surface 26 and the light blocking section 24 are connected and on which the light internally reflected on the second reflection surface 23 is partially and internally reflected forward; a re-entry surface 28 which is disposed in front of the transmission surface 26 and below the light blocking section 24 and through which the light transmitted through the transmission surface 26 to the outside of the light-guiding body makes an re-entry; and an emission surface 29 through which the light internally reflected on the second reflection surface 23 and the light made an re-entry through the re-entry surface 28 are emitted.
More Like This:
| JP2007042319 | LIGHT GUIDE PLATE |
| JP2012248507 | LIGHTING DEVICE AND AUXILIARY TOOL FOR THE SAME |
Inventors:
ONOMA KEI (JP)
Application Number:
PCT/JP2022/033292
Publication Date:
March 16, 2023
Filing Date:
September 05, 2022
Export Citation:
Assignee:
ICHIKOH INDUSTRIES LTD (JP)
International Classes:
F21V8/00; F21S41/147; F21S41/24; F21S41/27; F21S41/40; F21W102/155; F21Y115/10; F21Y115/15
Attorney, Agent or Firm:
SAKAMOTO & PARTNERS (JP)
Download PDF: