Title:
LED LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/104964
Kind Code:
A1
Abstract:
Disclosed is an LED lighting device. The LED lighting device according to an aspect of the present invention comprises: a printed circuit board formed in a cylindrical structure having a hollow interior extending through opposite ends thereof; LED chips mounted on the outer circumferential surface of the printed circuit board; a base coupled to the opposite end of the printed circuit board and having a plurality of air vents formed along the outer surface thereof; a power supply unit coupled to the base and disposed within the hollow interior of the printed circuit board, the power supply unit being electrically connected with the printed circuit board to supply electrical energy to the LED chips; and an electrical connector coupled to an end portion of the base and electrically connected with the printed circuit board through the power supply unit, wherein the printed circuit board includes dummy regions adjacent to a plurality of effective regions, the dummy regions connecting the effective regions, and heat generated by the LED chips and/or the power supply unit is dissipated via air that flows through the hollow interior defined by the inner circumferential surface of the printed circuit board.
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| WO/2013/156411 | ILLUMINATION DEVICE |
| WO/2013/030333 | HEAT SINK FOR DOWNLIGHT, AND DOWNLIGHT |
Inventors:
LEE SANG CHEOL (KR)
Application Number:
PCT/KR2016/012035
Publication Date:
June 22, 2017
Filing Date:
October 26, 2016
Export Citation:
Assignee:
ICEPIPE CORP (KR)
International Classes:
F21V29/00; F21K9/20; F21V29/503
Foreign References:
| KR20100000731A | 2010-01-06 | |||
| KR20100081866A | 2010-07-15 | |||
| US20140268819A1 | 2014-09-18 | |||
| KR20120136169A | 2012-12-18 | |||
| KR20130028338A | 2013-03-19 |
Attorney, Agent or Firm:
EZ INTERNATIONAL PATENT & TRADEMARK LAW OFFICE (KR)
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