公开(公告)号：US20220356996A1

公开(公告)日：2022-11-10

申请号：US17872110

申请日：2022-07-25

Applicant: LG INNOTEK CO., LTD.

Inventor： Young Jae CHOI ,  Dong Hyun LEE ,  Ki Chang LEE ,  Gyeong ll JIN ,  Moo Ryong PARK

IPC: F21K9/68 ,  F21V7/04

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.