Title:
LIGHTING CIRCUIT AND ILLUMINATION DEVICE
Document Type and Number:
Japanese Patent JP2012209278
Kind Code:
A
Abstract:
To provide an LED lamp capable of securing a light-emitting area of LEDs, while corresponding to thinning.
The lighting circuit is provided with a substrate formed in multiple layers; an inductor equipped with a magnetic material arranged embedded in the substrate, and at least one first wiring part spirally wound around the magnetic material on the same layer of the substrate; and electronic components mounted on the substrate so as to form the lighting circuit together with the inductor embedded in the substrate.
Inventors:
OTAKE HIROKAZU
HIRAOKA TOSHIYUKI
SHIMIZU KEIICHI
SHIBANO NOBUO
NISHIMURA KIYOSHI
SANPEI TOMOHIRO
HIRAOKA TOSHIYUKI
SHIMIZU KEIICHI
SHIBANO NOBUO
NISHIMURA KIYOSHI
SANPEI TOMOHIRO
Application Number:
JP2012172595A
Publication Date:
October 25, 2012
Filing Date:
August 03, 2012
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21S2/00; F21V23/00; F21V23/02; F21V29/00; H05B37/02; F21Y103/00
Domestic Patent References:
| JP2003243570A | 2003-08-29 | |||
| JP2005183559A | 2005-07-07 | |||
| JP2006049443A | 2006-02-16 | |||
| JP2004031520A | 2004-01-29 | |||
| JPH11274416A | 1999-10-08 | |||
| JPH10313071A | 1998-11-24 | |||
| JP2005327845A | 2005-11-24 |
Attorney, Agent or Firm:
Kumagai Masatoshi