Title:
VEHICLE LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2019040883
Kind Code:
A
Abstract:
To meet a demand of downsizing of a lighting device mounted on a vehicle.SOLUTION: A support substrate 7a supports a light source 7b having a light emission surface 7b1. A driving circuit board 7d includes a circuit which controls switching on/off of the light source 7b. A housing 2 has: a first support part supporting the support substrate 7a; a second support part supporting the driving circuit board 7d; and multiple heat sinks 2c. The second support part is located between the first support part and the multiple heat sinks 2c. A normal direction N1 of the light emission surface 7b1 intersects with a normal direction N2 of a major surface 7d1 of the driving circuit board 7d.SELECTED DRAWING: Figure 4
Inventors:
SHIBATA YUKI
Application Number:
JP2018232274A
Publication Date:
March 14, 2019
Filing Date:
December 12, 2018
Export Citation:
Assignee:
KOITO MFG CO LTD
International Classes:
F21S45/47; F21S41/143; F21S41/16; F21S41/19; F21S41/25; F21S41/29; F21S45/33; F21S45/48; F21V17/00; F21V29/503; F21V29/508; F21V29/74
Domestic Patent References:
| JP2014059981A | 2014-04-03 | |||
| JP2012064516A | 2012-03-29 | |||
| JP2012138294A | 2012-07-19 | |||
| JP2012204168A | 2012-10-22 |
Attorney, Agent or Firm:
Shinei Patent Office