公开(公告)号：US20210289711A1

公开(公告)日：2021-09-23

申请号：US17263608

申请日：2019-07-26

Applicant: NICHIA CORPORATION

Inventor： Mika MATSUMOTO ,  Kazushige FUJIO ,  Sadakazu WAKUI ,  Tomokazu SUZUKI ,  Masato FUJIWARA ,  Munetake FUKUNAGA

IPC: A01G7/04 ,  A01G9/20

Abstract: An output of light suitable for growing plants is controlled using a white light source.
A growing system including a greenhouse and a plurality of lighting devices disposed above a plant to be grown in the greenhouse and utilizing natural light includes a plurality of white light sources, a plurality of auxiliary light sources each of which is configured to emit red light and far-red light, and an illumination controller configured to control a degree of emission of light from the white light sources or the auxiliary light sources of the plurality of lighting devices, the illumination controller configured to start or stop controlling emission of light from the white light sources or the auxiliary light sources according to sunrise or sunset.