Abstract: Provided is a method of treating a post-harvest plant after harvest, the method including: irradiating a harvested plant with light having a peak wavelength in a wavelength range from 270 to 290 nm and/or light having a peak wavelength in a wavelength range from 370 to 400 nm at an irradiance effective to increase an amount of at least one rare cannabinoid compound and/or at least one terpene compound in the harvested plant, wherein an irradiance of light of all wavelengths in a wavelength range from 410 to 700 nm received by the harvested plant during the irradiation is less than 20% of the irradiance of the light having a peak wavelength in the wavelength range from 270 to 290 nm and/or less than 20% of the irradiance of the light having a peak wavelength in the wavelength range from 370 to 400 nm.

Abstract: A method of treating a non-human animal subject includes irradiating, one or more times, light having a peak wavelength in a range of 315-335 nm to an affected area of the animal subject.

Abstract: An apparatus for treating spermatozoa of an animal to increase motility includes: a holding or mounting unit configured to hold or support a sperm container; a lighting unit configured to irradiate the sperm container held or supported by the holding or mounting unit with light having wavelengths in a range of 390-420 nm; and a light controller unit configured to control the lighting unit.

Abstract: The present disclosure relates to a method of treating a plant, the method including: irradiating the plant with light in a wavelength range of 300 nm to 325 nm at a fluence of 4,000 ?mol/m2 to 50,000 ?mol/m2, while a fluence of light in a wavelength range of 290 nm or less irradiated to the plant is less than 20% of that of the light in the wavelength range of 300 nm to 325 nm, or the plant is not irradiated with light at any wavelength of 290 nm or less; and then infecting the plant with a microorganism.

Abstract: A method for treating spermatozoa of an animal includes: irradiating the spermatozoa with light having wavelengths in a range of 390-420 nm at a fluence effective to increase motility of the spermatozoa by 75% or more.

Abstract: A lighting fixture includes: one or more first light emitting devices configured to emit first light and second light for circadian rhythms; and a second light emitting device configured to emit third light having substantially effective emission wavelength in the 320 nm to 420 nm range. A correlated color temperature of the second light is higher than a correlated color temperature of the first light. A meranopic ratio of the second light is higher than a meranopic ratio of the first light.

Abstract: A lighting control system includes: a light fixture including: a first light emitting device configured to emit light having a first correlated color temperature of 3000 K or less in the CIE1931 color space chromaticity diagram, a second light emitting device configured to emit light having a second correlated color temperature equal to or higher than that of the first correlated color temperature, a third light emitting device configured to emit light having substantially effective emission wavelength in a 320 nm to 420 nm range, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first, second, and third light emitting devices; and an information processing apparatus communicably connected to the light fixture and including a dimming controller configured to change the irradiation percentages.

Abstract: An object of the present invention is to provide a method that can effectively/efficiently increase the amount of a phenolic compound such as a polyphenol. The invention provides a method for increasing an amount of a phenolic compound in a plant, or a method for producing a plant containing an increased amount of a phenolic compound, the method comprising irradiating the/a plant with ultraviolet light, wherein a fluence at wavelengths of 270 to 290 nm is 1500 to 50000 ?mol/m2 and a fluence at wavelengths of 310 to 400 nm is less than 50% of that at wavelengths of 270 to 290 nm.

Abstract: A lighting control system includes: a light fixture including: a first light emitting device configured to emit light having a first correlated color temperature of 3000 K or less in the CIE1931 color space chromaticity diagram, a second light emitting device configured to emit light having a second correlated color temperature equal to or higher than that of the first correlated color temperature, a third light emitting device configured to emit light having substantially effective emission wavelength in a 320 nm to 420 nm range, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first, second, and third light emitting devices; and an information processing apparatus communicably connected to the light fixture and including a dimming controller configured to change the irradiation percentages.

Abstract: A method of cultivating algal cells of an algae belonging to a class selected from Chlorophyceae, Euglenophyceae, Bacillariophyceae and Haptophyceae includes: irradiating the algal cells with an artificial light having a ratio of (i) photon flux density in a wavelength range of 520-630 nm to (ii) photosynthetic photon flux density, that is 65% or more; and measuring a cell size of the algal cells. Irradiation and non-irradiation of the algal cells with the artificial light are switched, or the photon flux density in the wavelength range of 520-630 nm is changed, according to the measured cell size.

Abstract: A plant treatment apparatus includes: a plant holding unit; an ultraviolet irradiation unit configured to irradiate a plant held by the plant holding unit with light comprising ultraviolet light in a wavelength range of no less than 270 nm and no more than 290 nm; and either (i) a plant immersion unit configured to immerse the plant held by the plant holding unit into a liquid that comprises water and is held by the plant immersion unit, or (ii) a liquid ejection unit that ejects the liquid towards the plant held by the plant holding unit.

Abstract: A method of inducing expression of a calcium channel and/or a calcium pump in a cell includes: irradiating the cell with light in a wavelength range of 315-325 nm. The calcium channel and/or the calcium pump is/are at least one selected from the group consisting of dihydropyridine receptor (DHPR), voltage-gated calcium channel (VGCC), ryanodine receptor (RYR), and sarcoendoplasmic reticulum Ca2+-ATPase (SERCA).

Abstract: A method of cultivating algal cells of an algae belonging to a class selected from Chlorophyceae, Euglenophyceae, Bacillariophyceae and Haptophyceae includes: irradiating the algal cells with an artificial light having a ratio of (i) photon flux density in a wavelength range of 520-630 nm to (ii) photosynthetic photon flux density, that is 65% or more; and measuring a condition of the algal cells and/or a condition of an algal cell culture provided by cultivating the algal cells. Irradiation and non-irradiation of the algal cells with the artificial light are switched, or the photon flux density in the wavelength range of 520-630 nm is changed, according to the measured condition of the algal cells and/or the measured condition of the algal cell culture.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.

Abstract: Provided is a method of treating a post-harvest plant after harvest, the method including: irradiating a harvested plant with light having a peak wavelength in a wavelength range from 270 to 290 nm and/or light having a peak wavelength in a wavelength range from 370 to 400 nm at an irradiance effective to increase an amount of at least one rare cannabinoid compound and/or at least one terpene compound in the harvested plant, wherein an irradiance of light of all wavelengths in a wavelength range from 410 to 700 nm received by the harvested plant during the irradiation is less than 20% of the irradiance of the light having a peak wavelength in the wavelength range from 270 to 290 nm and/or less than 20% of the irradiance of the light having a peak wavelength in the wavelength range from 370 to 400 nm.

Abstract: A light emitting device includes: a substrate including: a flexible base member, a first wiring pattern located on the upper surface of the base member, the first wiring pattern including: a first component-side conductive portion, and a second component-side conductive portion, and a plurality of reinforcing lands located on the upper surface of the base member, the plurality of reinforcing lands including: a first reinforcing land, and a second reinforcing land; and a plurality of light emitting elements mounted on the substrate, each light emitting element being electrically connected to the first component-side conductive portion and the second component-side conductive portion.

Abstract: The present disclosure relates to a method of increasing an amount of a stilbenoid, and/or one or more compounds selected from the group consisting of TCA cycle metabolites, polyamine alkaloids, 4-aminobutyric acid, abscisic acid and salts thereof in a plant, the method comprising steps of: irradiating the plant, part, crushed material or cultured plant cell with light, wherein a fluence at a wavelength range of 275-295 nm is 50,000-2,500,000 ?mol/m2, while at the same time a fluence at a wavelength range of 200-270 nm is less than 20% of the fluence at the wavelength range of 275-295 nm; and storing the irradiated plant, part, crushed material or cultured plant cell in a dark place for 1 day or more.

Abstract: A method of treating a non-human animal subject includes irradiating, one or more times, light having a peak wavelength in a range of 315-335 nm to an affected area of the animal subject.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.

Abstract: An object of the present invention is to provide a method that can effectively/efficiently increase the amount of a phenolic compound such as a polyphenol. The invention provides a method for increasing an amount of a phenolic compound in a plant, or a method for producing a plant containing an increased amount of a phenolic compound, the method comprising irradiating the/a plant with ultraviolet light, wherein a fluence at wavelengths of 270 to 290 nm is 1500 to 50000 ?mol/m2 and a fluence at wavelengths of 310 to 400 nm is less than 50% of that at wavelengths of 270 to 290 nm.