Title:
LIGHTING APPARATUS AND VEHICLE LAMP COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/014100
Kind Code:
A1
Abstract:
A lighting apparatus disclosed in an embodiment of the present invention comprises: a substrate; a plurality of light-emitting elements on the substrate; a resin layer sealing the light-emitting elements on the substrate; and a diffusion layer on the resin layer. The resin layer comprises a plurality of recessed portions that are concave toward respective light-emitting elements, the diffusion layer comprises a plurality of protrusion portions disposed respectively on the recessed portions, and the protrusion portions are spaced apart from the respective light-emitting elements in a first direction in which light is emitted. The maximum depth of each recessed portion is less than the maximum width in at least one direction orthogonal to the first direction, and the thickness of the resin layer may be less than the maximum width of each recessed portion and greater than the maximum depth of each recessed portion.
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Inventors:
KO KWANG HYUN (KR)
PARK MOO RYONG (KR)
LEE DONG HYUN (KR)
PARK MOO RYONG (KR)
LEE DONG HYUN (KR)
Application Number:
PCT/KR2022/011513
Publication Date:
February 09, 2023
Filing Date:
August 04, 2022
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
F21K9/65; F21K9/68; F21V31/00; H01L25/065; H01L33/52; H01L33/58
Foreign References:
| KR20190035491A | 2019-04-03 | |||
| KR20060111266A | 2006-10-26 | |||
| US20210226106A1 | 2021-07-22 | |||
| KR20200080063A | 2020-07-06 | |||
| KR20190133878A | 2019-12-04 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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