Title:
VEHICULAR LIGHTING DEVICE AND VEHICULAR LAMP FITTING
Document Type and Number:
Japanese Patent JP2021093332
Kind Code:
A
Abstract:
To provide a vehicular lighting device capable of inhibiting variations in positions of a heat transfer part, and to provide a vehicular lamp fitting.SOLUTION: A vehicular lighting device according to an embodiment includes: a socket which has a first recessed part opening at one end part and a second recessed part opening on a bottom surface of the first recessed part; a heat transfer part which presents a plate-like shape and provided at an interior of the second recessed part; a light emitting module which has at least one light emitting element and is provided on a surface opposite to the bottom surface side of the second recessed part of the heat transfer part; support parts in each of which, when viewed from a direction along a center axis of the vehicular lighting device, a first end part is located at the outer side of the second recessed part and a second end part opposite to the first end part contacts with at least one of a side surface of the heat transfer part and an inner wall of a third recessed part opening on the side surface of the heat transfer part; and a heat transfer layer which is provided between the side surface of the heat transfer part and a side surface of the second recessed part.SELECTED DRAWING: Figure 3
Inventors:
MORI KEI
Application Number:
JP2019224518A
Publication Date:
June 17, 2021
Filing Date:
December 12, 2019
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21S45/10; F21S43/19; F21S45/47; F21V19/00; F21V29/503; F21V29/70
Attorney, Agent or Firm:
Hiroshi Ichikawa
Tatsutetsu Shirai
Kohei Hoshino
Tatsutetsu Shirai
Kohei Hoshino