US 11,910,763 B2
Light source system for horticulture applications
Raghu Ramaiah, Beachwood, OH (US); Mark Kaminski, Beachwood, OH (US); and Jonathan Meyer, Beachwood, OH (US)
Assigned to CURRENT LIGHTING SOLUTIONS, LLC, Beachwood, OH (US)
Appl. No. 17/909,518
Filed by CURRENT LIGHTING SOLUTIONS, LLC, Beachwood, OH (US)
PCT Filed Jun. 10, 2021, PCT No. PCT/US2021/036842
§ 371(c)(1), (2) Date Sep. 6, 2022,
PCT Pub. No. WO2021/252783, PCT Pub. Date Dec. 16, 2021.
Claims priority of provisional application 63/037,339, filed on Jun. 10, 2020.
Prior Publication US 2023/0119599 A1, Apr. 20, 2023
Int. Cl. A01G 7/04 (2006.01); F21S 4/28 (2016.01); F21V 5/04 (2006.01); F21V 13/04 (2006.01); G02B 27/09 (2006.01); A01G 9/24 (2006.01); F21Y 113/13 (2016.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01); F21V 5/00 (2018.01)
CPC A01G 7/045 (2013.01) [A01G 9/249 (2019.05); F21S 4/28 (2016.01); F21V 5/04 (2013.01); F21V 13/04 (2013.01); G02B 27/0927 (2013.01); F21V 5/007 (2013.01); F21Y 2103/10 (2016.08); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08)] 18 Claims
OG exemplary drawing
 
1. A horticultural lighting fixture comprising:
a light bar including a plurality of solid state light sources arranged in a linear array along a longitudinal axis of the light bar;
a light bar support structure that couples with the light bar to support the light bar in a fixed spaced relationship with the light support structure, the light bar support structure including at least two fasteners at opposing terminal ends of the light bar support structure to attach to a vertical support;
a first refractive optic attached to the light bar in close proximity to the solid state light sources, the first optic converting Lambertian radiation emitted from the solid state light sources to a substantially batwing radiation distribution; and
a second refractive optic that increases a photosynthetic photon flux density (PPFD) and uniformity at a surface illuminated by the solid state light sources, wherein the second refractive optic comprises a plurality of individual refractive optic components, each disposed in close proximity to one of the plurality of solid state light sources of the light bar.