Title:
LIGHT SOURCE CONTROL UNIT AND VEHICLE LAMP
Document Type and Number:
Japanese Patent JP2019057420
Kind Code:
A
Abstract:
To provide a control circuit of a light source that is increased in number of light emitting elements capable of being connected in series without increasing component cost, and a vehicle lamp using the same.SOLUTION: A control unit 2 controlling turn on/off of a light source 1 that includes a plurality of light emitting elements 41-47 connected in series includes a control circuit that controls such that, when N represents the number of the plurality of light emitting elements and current is flown simultaneously to (N-1) or less of light emitting elements among the plurality of light emitting elements, current is not substantially flown to at least one light emitting element.SELECTED DRAWING: Figure 4
More Like This:
| JP2016146278 | LED DRIVING DEVICE |
| WO/2001/088429 | SNOWFLAKE DISPLAY |
| JP2008010370 | LOAD CONTROLLER |
Inventors:
HIROSE YOICHI
Application Number:
JP2017181225A
Publication Date:
April 11, 2019
Filing Date:
September 21, 2017
Export Citation:
Assignee:
STANLEY ELECTRIC CO LTD
International Classes:
H05B37/02; B60Q1/04; H05B44/00
Attorney, Agent or Firm:
Patent business corporation Mutsuki Partners