US 11,982,413 B2
Lighting device and lighting method for at least one plant
Thomas Längle, Karlsruhe (DE); Dirk Seiffer, Karlsruhe (DE); Andreas Reimann, Aachen (DE); and Simon Vogel, Aachen (DE)
Assigned to Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V., Munich (DE)
Appl. No. 17/624,778
Filed by FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V., Munich (DE)
PCT Filed Jul. 3, 2020, PCT No. PCT/EP2020/068807
§ 371(c)(1), (2) Date Jan. 4, 2022,
PCT Pub. No. WO2021/004932, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 10 2019 209 916.5 (DE), filed on Jul. 5, 2019.
Prior Publication US 2022/0299180 A1, Sep. 22, 2022
Int. Cl. F21S 19/00 (2006.01); A01G 7/04 (2006.01); F21Y 115/10 (2016.01)
CPC F21S 19/005 (2013.01) [A01G 7/045 (2013.01); F21Y 2115/10 (2016.08)] 11 Claims
OG exemplary drawing
 
11. A method of lighting at least one plant comprising:
providing artificial light for the lighting of the plant;
providing sunlight for lighting the plant;
generating mixed light from the artificial light and the sunlight;
setting a property of the mixed light in accordance with a stored specification, wherein the stored specification comprises a time sequence of a spectral distribution that the mixed light (5′) should have; and
distributing the mixed light and lighting the plant with the distributed mixed light.