Title:
蛍光灯型LED照明管
Document Type and Number:
Japanese Patent JP4139856
Kind Code:
B2
Abstract:
A light emitting diode (LED) lighting unit applied to a fluorescent lighting fixture including a light emitting diode (LED) lighting unit mounted in an existing fluorescent lighting fixture; a source part being disposed in the LED lighting unit; polarity being switched by means of the source part installed in the LED lighting unit depending on the direction of the installation direction of the LED lighting unit; the LED lighting unit being capable of coping with changed polarity resulted from any direction of the installation; a first bridge rectifier and a second bridge rectifier installed in the LED lighting unit functioning to rectify the current supplied from a ballast of the fluorescent lighting fixture and to conduct a light emitting diode (LED) assembled unit connected in series and parallel.
Inventors:
Eiichi Sugi
Kenjiro Hashizume
Kenjiro Hashizume
Application Number:
JP2006078714A
Publication Date:
August 27, 2008
Filing Date:
March 22, 2006
Export Citation:
Assignee:
Yasu Electric Co., Ltd.
International Classes:
F21S8/04; F21S2/00; F21V23/02; F21V29/00; F21V29/02; H01L33/50; F21Y101/02; F21Y113/20
Domestic Patent References:
| JP11135274A | ||||
| JP2004192833A | ||||
| JP3965419B1 | ||||
| JP3972056B1 | ||||
| JP2004335426A | ||||
| JP654103U | ||||
| JP11260125A |