Title:
LIGHTING APPARATUS AND LAMP COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/075727
Kind Code:
A1
Abstract:
A lighting apparatus device according to an embodiment comprises: a substrate; a plurality of light-emitting devices arranged disposed on the substrate; a first reflective layer arranged on the substrate; a resin layer on the first reflective layer; and a second reflective layer on the resin layer, wherein the resin layer includes a first side surface facing light-emitting surfaces of the plurality of light-emitting devices and a second side surface opposite to the first side surface, the first side surface includes a plurality of first reflective surfaces having a convex shape with respect to the light-emitting surfaces of the light-emitting devices and a second reflective surface having a concave shape with respect to the light-emitting surfaces of the light-emitting devices, the plurality of first reflective surfaces respectively correspond to the plurality of light-emitting devices in an optical axis direction, the second reflective surface is disposed between the plurality of first reflective surfaces, and light emitted through the light-emitting surfaces of the light-emitting devices may be reflected from the first side surface and emitted through the second side surface.
Inventors:
KO KWANG HYUN (KR)
PARK MOO RYONG (KR)
LEE DONG HYUN (KR)
PARK MOO RYONG (KR)
LEE DONG HYUN (KR)
Application Number:
PCT/KR2021/013663
Publication Date:
April 14, 2022
Filing Date:
October 06, 2021
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
F21V7/04; F21V23/00; F21Y105/10
Foreign References:
| KR20200112543A | 2020-10-05 | |||
| KR20150130809A | 2015-11-24 | |||
| KR20200112542A | 2020-10-05 | |||
| KR20190132124A | 2019-11-27 | |||
| KR20090007612A | 2009-01-19 |
Other References:
See also references of EP 4227577A4
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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