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US 9,807,945 B2Granted
Illumination apparatus used for plant cultivation
AssigneeFUJIFILM Corporation
InventorsYoshihisa Usami, Mitsuyoshi Ichihashi
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Abstract
The present invention provides an illumination apparatus for plant cultivation, including a unit configured to change light in any wavelength region of 300 nm or higher and 600 nm or lower (wavelengths of 452 nm to 474 nm, for example) to light in the wavelength region having dominantly a right-circularly polarized light component. The illumination apparatus of the present invention enables irradiation with light that is capable of giving a specific effect in plant cultivation.
Claims9
An illumination apparatus for plant cultivation,
- comprising a unit configured to change light in any wavelength region of 300 nm or higher and 600 nm or lower to light in the wavelength region comprising dominantly a right-circularly polarized light component, and
- the illumination apparatus emitting substantially non-polarized light in at least a part of wavelengths of 601 nm to 800 nm.
Dependencies are inferred from the claim text.