Title:
LED LIGHTING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/025134
Kind Code:
A1
Abstract:
The present invention relates to an LED lighting apparatus by means of which manufacturing costs can be reduced and dark areas can be removed from a light-emitting surface for uniform light emission. The LED lighting apparatus according to the present invention includes: a housing having an accommodating space therein; a circuit board coupled to the inner surface of the housing and having a plurality of light-emitting diodes mounted thereon for generating light, and which includes a light-emitting module having a first area in which the light-emitting diodes are arranged with first spacing and a second area in which the light-emitting diodes are arranged with second spacing larger than the first spacing; and a diffusion cover coupled to the housing in order to cover the light-emitting module and having a grooved part corresponding to the second area. In an area in which there is a height difference in a section where the light between the adjacent light-emitting diodes overlaps, a grooved part having a depth corresponding to the difference in overlapped height is formed in the diffusion cover, and thus the dark area caused by the overlapping light resulting from the difference in height can be removed.
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Inventors:
KIM JIN-JONG (KR)
CHOI JAE-YOUNG (KR)
KIM JUNG-HWA (KR)
KIM JI-WAN (KR)
PARK HYUN-KU (KR)
PARK SUN-MIN (KR)
CHOI JAE-YOUNG (KR)
KIM JUNG-HWA (KR)
KIM JI-WAN (KR)
PARK HYUN-KU (KR)
PARK SUN-MIN (KR)
Application Number:
PCT/KR2013/005299
Publication Date:
February 13, 2014
Filing Date:
June 17, 2013
Export Citation:
Assignee:
POSCO LED CO LTD (KR)
International Classes:
F21V14/02
Foreign References:
| KR20100113440A | 2010-10-21 | |||
| KR20120058928A | 2012-06-08 | |||
| JP2012084425A | 2012-04-26 | |||
| JP2011129473A | 2011-06-30 | |||
| US20080285267A1 | 2008-11-20 |
Attorney, Agent or Firm:
C.M. PATENT & FIRM (KR)
특허법인청맥 (KR)
특허법인청맥 (KR)
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