Title:
LIGHTING MODULE AND LIGHTING DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/197171
Kind Code:
A1
Abstract:
A lighting device disclosed in an embodiment of the invention comprises: a substrate; a plurality of light emitting elements disposed on the substrate; a first reflective layer disposed on the substrate; a resin layer disposed on the first reflective layer and including a first surface on which light emitted from the light emitting elements is extracted; a second reflective layer disposed on the resin layer; and a light extraction layer disposed on the first surface of the resin layer, wherein the first surface of the resin layer comprises: convex portions having convex emission surfaces corresponding to each of the light emitting elements; and a plurality of concave surfaces that are concave between the convex portions, and the light extraction layer may comprise: a first emission portion having a plurality of projections on each of the emission surfaces; and a plurality of second emission portions that are concave between the plurality of projections.
Inventors:
LEE DONG HYUN (KR)
PARK MOO RYONG (KR)
CHOI YOUNG JAE (KR)
PARK MOO RYONG (KR)
CHOI YOUNG JAE (KR)
Application Number:
PCT/KR2020/003807
Publication Date:
October 01, 2020
Filing Date:
March 19, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
F21K9/66; F21K9/64; H01L27/15; H01L33/10; H01L33/54; H01L33/58
Foreign References:
| JP5666306B2 | 2015-02-12 | |||
| CN101876407A | 2010-11-03 | |||
| KR20170074035A | 2017-06-29 | |||
| US7491977B2 | 2009-02-17 | |||
| KR20170132058A | 2017-12-01 |
Other References:
See also references of EP 3943804A4
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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