Title:
車両用照明装置、および車両用灯具
Document Type and Number:
Japanese Patent JP6724665
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a vehicular lighting device and a vehicular lighting fixture capable of achieving improvement in light extraction efficiency and miniaturization.SOLUTION: A vehicular lighting device includes: a socket having a recess which opens to one end surface; a substrate provided at a bottom of the recess; and a light emitting element provided on the opposite surface from the bottom side of the recess of the substrate. The vehicular lighting device satisfies the following formula: H2≥H1. H1 is a distance between the bottom of the recess and the end surface at which the recess opens of the socket. H2 is a distance between the bottom of the recess and an emission surface of the light of the light emitting element.SELECTED DRAWING: Figure 4
Inventors:
Takashi Kaneko
Kiyokazu Hino
Masayuki Ishiyama
Daisuke Kosugi
Toshihiro Hatanaka
Hiromitsu Shiraishi
Kiyokazu Hino
Masayuki Ishiyama
Daisuke Kosugi
Toshihiro Hatanaka
Hiromitsu Shiraishi
Application Number:
JP2016172743A
Publication Date:
July 15, 2020
Filing Date:
September 05, 2016
Export Citation:
Assignee:
Toshiba Lighting & Technology Corporation
International Classes:
F21S41/143; F21S41/19; F21V19/00; H01L33/00
Domestic Patent References:
| JP2016106355A | ||||
| JP2014107229A |
Attorney, Agent or Firm:
Masahiko Hinataji
Junichi Kozaki
Hiroshi Ichikawa
Junichi Kozaki
Hiroshi Ichikawa