Abstract: A light engine that produces UVA1 light, but not UVA2 or UVB radiation, that will provide a human or animal subject a beneficial application of artificial UVA1 light without the deleterious effect of the UVA2 and UVB light. Methods of providing UVA1 light to the human or animal subject over various periods of time provide positive treatments that can reduce stress, reduce anxiety, increase a pain threshold, and induce interferon production. Exposure to UVA1 wavelength light (360-400 nm) provides a positive effect on both humans and animals. This is especially true when the humans or animals do not receive UVB and UVA2 at the time that the UVA1 light is received, and the ratio of UVA1 light to (UVA1 light+visible light) is greater than 10%.

Abstract: Sanitizing an agricultural facility by placing a chamber having an open interior within the agricultural facility. An item is placed within an open interior of the chamber and a door is interlocked. Then light having a spectral content within a narrow range of wavelengths is provided from at least one lighting device toward the item for a predetermined amount of time to inactivate a microorganism. Simultaneously, ozone may be discharged into the open interior to sanitize the item. Before the door unlocks the ozone within the interior of the chamber is directed to a filter for forming oxygen. Sanitizing the agricultural facility by detect humans, and in response, providing a first light with one spectral content when the human is detected, and providing a second light with a different spectral content within a narrow range of wavelengths to inhibit bacteria growth when humans are not detected.

Abstract: The sex of embryos in eggs is influenced or controlled through the application of light having selected wavelengths in order to promote the development of embryos of a selected sex. An incubating device is provided having an interior cavity that can be sealed from an outside, and having a plurality of lighting elements disposed on each of a plurality of trays disposed in the interior cavity. Eggs are disposed on the trays, and pre-determined environmental conditions are applied to the interior cavity to promote hatching of the eggs. Concurrently with the application of the environmental conditions, the eggs are irradiated according to pre-determined lighting conditions. The lighting conditions include applying light having wavelengths substantially concentrated in selected ranges, such as light wavelengths within the 390-419 nm, 410-450 nm, 420-450 nm, 450-495 nm, or other narrow range.

Abstract: The sex of embryos in eggs is influenced or controlled through the application of light having selected wavelengths in order to promote the development of embryos of a selected sex. An incubating device is provided having an interior cavity that can be sealed from an outside, and having a plurality of lighting elements disposed on each of a plurality of trays disposed in the interior cavity. Eggs are disposed on the trays, and pre-determined environmental conditions are applied to the interior cavity to promote hatching of the eggs. Concurrently with the application of the environmental conditions, the eggs are irradiated according to pre-determined lighting conditions. The lighting conditions include applying light having wavelengths substantially concentrated in selected ranges, such as light wavelengths within the 390-419 nm, 410-450 nm, 420-450 nm, 450-495 nm, or other narrow range.

Abstract: The sex of embryos in eggs is influenced or controlled through the application of light having selected wavelengths and heat in order to promote the development of embryos of a selected sex. An incubating device is provided having an interior cavity that can be sealed from an outside, and having a plurality of lighting elements disposed in the interior cavity. Eggs are disposed on trays, and pre-determined environmental conditions are applied to the interior cavity to promote hatching of the eggs. Concurrently with the application of the environmental conditions, the eggs are irradiated according to pre-determined lighting conditions having wavelengths substantially concentrated in selected ranges In some embodiments, the temperature of the incubator is kept above or below the optimal incubation temperature.

Abstract: A system and method to promote biological responses within incubated eggs using lighting devices within an incubation chamber. A light supporting device is installed within the incubation chamber in spaced relation to an incubation device housing a plurality of eggs. The light supporting device is positioned to direct light at pre-determined wavelengths into the interior cavity of the incubation device to irradiate the plurality of eggs to promote a biological response within the eggs.

Abstract: A method and lighting system for promoting survival of larvae from a plurality of eggs within a containment unit. The lighting system includes at least one lighting device emitting light energy in a pre-determined narrow range of wavelengths and a pre-determined lighting intensity that promotes the survival of the larvae within the containment unit.

Abstract: A method of stimulating plant growth in a controlled environment that includes providing a lighting assembly having a network of lighting elements such as light emitting diodes (LEDs) that provide light at a color tailored for an individual plant. The lighting assembly is positioned adjacent a plant such that the light produced is received by the plant. The lighting assembly additionally has a control assembly that includes driving circuitry that modulates the lighting elements to controllably provide predetermined periods of light and dark to stimulate continuous growth of the plant.

Abstract: A horticultural system having lighting elements pulsed with an off time proportional to the turnover time of the photosynthetic electron transport chain of a plant. The lighting elements emit light at a wavelength within 20 nanometers (nm) of a peak absorption of the pigment of the plant and are controlled to provide light at predetermined intervals as needed by the plant cause photosynthesis and reduce excess unproductive light.

Abstract: A control system for illuminating swine having one or more controllers configured to increase voltage supplied to a first plurality of lights to a first threshold voltage to illuminate the first plurality of lights to provide a first light having a first color characteristic that affects swine. The one or more controllers are also configured to increase the voltage supplied to a second plurality of lights to a second threshold voltage to illuminate the second plurality of lights to provide a second light with a second color characteristic different than the first color characteristic. The one or more controllers are also configured to increase the voltage supplied to a third plurality of lights to a third threshold voltage to illuminate the third plurality of lights to provide third light with a third color characteristic that stimulates the swine to have a predetermined behavior.

Abstract: A system and method to promote biological responses within incubated eggs using lighting devices within an incubation chamber. A light supporting device is installed within the incubation chamber in spaced relation to an incubation device housing a plurality of eggs. The light supporting device is positioned to direct light at pre-determined wavelengths into the interior cavity of the incubation device to irradiate the plurality of eggs to promote a biological response within the eggs.

Abstract: Various apparatus and associated methods involve a light source that provides light at wavelengths that substantially correlate to local maxima in the spectral sensitivity of a diurnal avian. In an illustrative example, the light source may output light primarily in wavelength bands that are not substantially absorbed by colored oil droplets and/or visual pigment in at least one type of cone in the eye of a diurnal avian. In some embodiments, the light source may include a light-emitting diode (LED) light source. Exemplary light sources may output spectral components to illuminate diurnal avians with local maxima of intensity at wavelengths that substantially correspond to local maxima in a spectral sensitivity visual response characteristic of the diurnal avians.

Abstract: Systems and methods are provided for determining an ambient temperature in a volume using a lighting based sensor. A status of a light with which a temperature sensor is associated is determined. A correction factor is accessed from a computer-readable medium based on the status of the light. A measured temperature is received via the temperature sensor. The measured temperature is transformed based on the correction factor, and the transformed temperature is transmitted from the light to a remote location.

Abstract: A system and method for illuminating livestock within an agricultural dwelling. The system has a plurality of lighting assemblies that are electrically connected to a dimming device. The lighting assemblies are dimmed from a white color to predetermined wavelength to result in a predetermined behavior of the livestock. The predetermined wavelength and behavior includes a red wavelength that is undetected by the livestock thus resulting in the predetermined behavior of the livestock sleeping while workers can continue to work or function within the agricultural dwelling.

Abstract: Methods of utilizing light during incubation of avian eggs to influence characteristics of avian pre- and post-hatch. Specific amounts of energy are provided to incubated eggs through a light source, having particular wavelengths, to accelerate embryo development and promote myogenesis post hatch. Green, red, or blue wavelengths of light, or combinations thereof, are provided to eggs in a temperature controlled incubator to increase myoblast and satellite cell production in avian eggs. The light can be administered to avian eggs in a manner that entrains an embryo's circadian rhythm in the egg.

Abstract: Systems and methods are provided for adjusting the brightness level of a lighting system based on an ambient light measurement from a lighting based sensor. Systems and methods are provided for adjusting the brightness level of a lighting system based on an ambient light measurement from a lighting based sensor. In one example, an ambient light level in a space is measured with an embedded ambient light sensor in a luminaire. The ambient light level measurement is adjusted based on a correlation of the measurement with previously stored illumination data. A brightness level is selected based on the adjusted ambient light level measurement. The space is illuminated using the chosen brightness level.

Abstract: A method of increasing the probability of breeding swine via a lighting system with a programmable timing device. The lighting system is programmed to present differing photoperiods such that the amount of light observed by a swine every day or week gradually decreases, mimicking a seasonal change, typically from summer to fall. As a result, swine psychologically and physiologically believe that seasons are changing resulting in increased probability of breeding for the swine.

Abstract: An integral conduit modular lighting system that has a light board having circuitry that is secured to a heat sink with an adhesive layer. The heat sink has a gasket in order to securely connect the lighting system to a preexisting conduit body such that the lighting system withstand a high pressure wash without leakage to the board. The heat sink also has opening that mate with openings of preexisting electrical conduit bodies to provide installation of the modular lighting system to existing electrical conduit bodies.

Abstract: A light emitting diode lighting assembly that receives an electrical excitation signal that is varied from a dimming device. Driving circuitry receives the varying input and has first and second paths that each have a plurality of light emitting diodes. Each plurality of light emitting diodes has a threshold voltage with the threshold voltage of the first plurality of diodes being less than the threshold voltage of the second plurality of lighting emitting diodes. The current within the first path is controlled by a current limiting device that is controlled by a resistor that receives input from the second path to gradually turn off the first plurality of light emitting diodes as the second plurality of lighting emitting diodes increase in intensity. A shunt voltage regulator within the circuit having a threshold voltage that is above threshold voltages of components in the assembly to minimize voltage increases in the assembly.

Abstract: The sex of embryos in eggs is influenced or controlled through the application of light having selected wavelengths in order to promote the development of embryos of a selected sex. An incubating device is provided having an interior cavity that can be sealed from an outside, and having a plurality of lighting elements disposed on each of a plurality of trays disposed in the interior cavity. Eggs are disposed on the trays, and pre-determined environmental conditions are applied to the interior cavity to promote hatching of the eggs. Concurrently with the application of the environmental conditions, the eggs are irradiated according to pre-determined lighting conditions. The lighting conditions include applying light having wavelengths substantially concentrated in selected ranges, such as light wavelengths within the 390-419 nm, 410-450 nm, 420-450 nm, 450-495 nm, or other narrow range.