US Patent No. 10,524,426

LIGHT SOURCES ADAPTED TO SPECTRAL SENSITIVITY OF PLANT


Patent No. 10,524,426
Issue Date January 07, 2020
Title Light Sources Adapted To Spectral Sensitivity Of Plant
Inventorship Zdenko Grajcar, Orono, MN (US)
Assignee SIGNIFY HOLDING B.V., Eindhoven (NL)

Claim of US Patent No. 10,524,426

1. A method of stimulating plant growth in a controlled environment comprising:providing a cylindrical body having at least one plant disposed therein;
placing a network of lighting elements that produce light at a predetermined wavelength arcuately around the periphery of the cylindrical body adjacent to the plant in order to provide light to the at least one plant; and
rotating the cylindrical body at a predetermined speed relative to the lighting elements to controllably provide predetermined periods of light and dark to stimulate continuous growth of the plant.