US 12,410,901 B2
Lighting device
Eay Jin Lim, Seoul (KR); Kwang Hyun Ko, Seoul (KR); Hyun Duck Yang, Seoul (KR); and Dong Hyun Lee, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 18/849,054
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Apr. 4, 2023, PCT No. PCT/KR2023/004540
§ 371(c)(1), (2) Date Sep. 20, 2024,
PCT Pub. No. WO2023/195748, PCT Pub. Date Oct. 12, 2023.
Claims priority of application No. 10-2022-0041872 (KR), filed on Apr. 4, 2022; application No. 10-2022-0082522 (KR), filed on Jul. 5, 2022; and application No. 10-2023-0027665 (KR), filed on Mar. 2, 2023.
Prior Publication US 2025/0198588 A1, Jun. 19, 2025
Int. Cl. F21S 43/15 (2018.01); F21S 4/24 (2016.01); F21S 43/14 (2018.01); F21S 43/20 (2018.01); F21S 43/249 (2018.01); F21S 43/31 (2018.01); F21S 43/37 (2018.01); F21W 103/55 (2018.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01)
CPC F21S 43/15 (2018.01) [F21S 4/24 (2016.01); F21S 43/249 (2018.01); F21S 43/26241 (2024.05); F21S 43/31 (2018.01); F21S 43/37 (2018.01); F21S 43/14 (2018.01); F21W 2103/55 (2018.01); F21Y 2103/10 (2016.08); F21Y 2115/10 (2016.08)] 20 Claims
OG exemplary drawing
 
1. A lighting device comprising:
a lighting module including a substrate having a length in a second direction longer than a width in a first direction; a plurality of light sources arranged in the second direction on the substrate; a light guide portion disposed on the substrate and the light sources;
an optical lens disposed on the lighting module, the optical lens having an incident surface having a width greater than a width in the first direction of the lighting module, and an exit surface from which light incident on the incident surface is emitted; and
a reflective member including an insertion hole in which the light guide portion is disposed, a reflective portion to both sides of the insertion hole and covering both sides of the light guide portion, and a support member supporting a lower edge of the optical lens,
wherein the light guide portion and the insertion hole have a width in the first direction smaller than a length in the second direction, and
wherein an upper end of the reflective portion is positioned higher than an upper end of the light guide portion.