Abstract: A lighting apparatus including a plurality of luminaires, each including a controller configured to operate the luminaire and positioned in communication with a computerized device. Each luminaire is selectively operable to emit source light, characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers. The luminaires are arrangeable so as to form an array. Some luminaires of the plurality of luminaires are operable such that at least two of the luminaires emit source lights with different dominant source light wavelengths and the source lights emitted by the luminaires combine to form a combined light at a distance from the luminaires defined as a combining distance. The dominant source light wavelength of some of the luminaires varies with time. The luminaires are configured to be operated to selectively emit light having a spectral power distribution that reduces melatonin suppression.

Abstract: A system for assembling a luminaire comprising a housing, a computer-controlled manipulation device, and a parts repository defined within the housing and configured to carry a plurality of light modules, a plurality of luminaire housings of various luminaire housing types, and a plurality of optics of various optic types. The system further comprises a programming device configured to program a light module of the plurality of light modules to emit light having lighting characteristics. Each of the light modules are configured to be removably couplable to the computer-controlled manipulation device. The luminaire housings each comprise a locking tab configured to permit the respective light modules to engage therewith, thereby enabling attachment of the respective light modules to the respective luminaire housings. Each of the optics comprise a locking tab configured to permit a respective luminaire housing to engage therewith, enabling attachment of the respective luminaire housing to the respective optic.

Abstract: A system for accenting an appliqué comprising a lighting system comprising a light source configured to emit polychromatic light, and an appliqué configured to be applied to a surface, the appliqué being configured to at least one of scatter light and reflect light within an appliqué wavelength range. The light source is operable to emit alternating first and second polychromatic lights, the first polychromatic light comprising a maxima within the appliqué wavelength range and the second polychromatic light not comprising a maxima within the appliqué wavelength range.

Abstract: A thoroughfare lighting device may include a housing configured to be attached to a thoroughfare surface, having a top surface, a proximal face, a distal face, and first and second opposing sidewalls, a driver circuit, a plurality of light-emitting diodes electrically coupled to the driver circuit comprising a first set of LEDs configured to emit a generally white light, and a second set of LEDs configured to emit colored light that is observable by an observer. The lighting device may also include an optic carried by the housing and positioned in optical communication with the plurality of LEDs. The color of light emitted by the second set of LEDs may be selectable to indicate a condition of the thoroughfare in a direction of travel of the observer. Additionally, the first sidewall may taper in a direction of the distal face.

Abstract: A lighting system with selectable emission characteristics may include a housing, a controller, a first plurality of light sources operatively coupled to the controller and carried by the housing, and a second plurality of light sources operatively coupled to and controlled by the controller and carried by the housing. The first and second pluralities of light sources may be operable to emit first and second combined lights, respectively, and to emit a first light having a wavelength within the range of 650 nanometers to 700 nanometers, a second light having a wavelength within the range of 500 nanometers to 570 nanometers, and a third light having a wavelength within the range of 430 nanometers to 470 nanometer. The second light may be characterized by a human photopic response of greater than 0.0 and less than 0.4 throughout the range from 500 nanometers to 570 nanometers.

Abstract: A lighting system comprising a light source, a controller operably coupled to the light source, and a timekeeping device operably coupled to the controller. The controller is configured to receive a selected action time associated with an agricultural product. The agricultural product includes an associated circadian rhythm defining an optimal action time range. The controller is configured to determine a lighting schedule responsive to the selected action time, the optimal action time range, and a time of day indicated by the timekeeping device, the lighting schedule being configured to impose a circadian rhythm on the agricultural product to shift the optimal action time range such that the selected action time coincides with the optimal action time range. The controller is configured to operate the light source according to the lighting schedule.

Abstract: A sterilization device comprising an ultraviolet (UV) electromagnetic radiation (EMR) emitting device, a detector configured to detect occupancy of a room associated with the sterilization device, and a controller operably connected to each of the UV EMR emitting device and the detector. The detector is configured to send a signal indicating occupancy to the controller upon a detection of occupancy. The controller is configured to operate the UV EMR emitting device to emit UV EMR only upon receiving a signal indicating no occupancy.

Abstract: A system for treating a light treatable condition may include a luminaire configured to emit diagnostic output spectra and a sensor configured to measure a biotic response to the diagnostic output spectra. A computer may be positioned in electrical communication with each of the luminaire and the sensor and may utilize a measured biotic response to determine prescribed output spectra that is responsive to treat the light treatable condition. The luminaire may also be configurable to emit the prescribed output spectra by receiving an instruction from the computer.

Abstract: A lighting system for accenting a region of a target surface comprising a color matching engine, a plurality of light sources, a color capture device configured to measure light reflected by a target surface, and a computerized device configured to operate the plurality of light sources to emit an analysis light so as to be incident upon the target surface and identify a region of the target surface that reflects two or more wavelength ranges of light using a pattern recognition algorithm, defining a detected pattern having wavelength ranges. The color matching engine is configured to perform a matching operation that operates to determine dominant wavelength(s) of the wavelength ranges and polychromatic lights including or excluding dominant wavelength(s). The computerized device operates the light sources to emit a combined light being sequentially each of the polychromatic lights.

Abstract: A wavelength sensing lighting system that may comprise a light source included in an array to emit illuminating light, the array including a plurality of light sources, a sensor included in the array configured to sense environmental light from an environment, and a controller operatively connected to each of the sensor and the light source and may be configured to analyze the environmental light sensed by the sensor to at least one of detect and generate data relating to a condition of the environment, the data being transmittable in a data light. The controller may be configured to receive the data included in the data light using the sensor. The controller may be configured to analyze the data and to control the transmission of the data light from the light source. The controller may be configured to operate the array to emit an alert upon sensing an event.

Abstract: An electrical device and method are presented, the device having an enclosure defining an interior volume sealed from the environment and an electronic lighting apparatus, which may include a heat generating element such as a light source, a heat sink, and a fluid flow generator. The heat sink may be positioned partially within the sealed interior volume and adjacent the heat generating element and transfer heat therefrom. The fluid flow generator may create a flow of fluid to transport heat away from the heat sink and to the enclosure. The electronic lighting apparatus may be carried by the enclosure and partially disposed within the interior volume of the enclosure. The electrical device may further include an optic carried by the enclosure that may cooperate with the enclosure to define the sealed interior volume.

Abstract: An illumination and grow light system and associated methods are provided to produce an emission spectrum which may be optimized for plant response curve, as well as provide high quality light with respect to the human response curve. Embodiments of the present invention may include highly efficient tunable lamps and associated modulation controls that allow specific radiation wavelength bands to be manipulated, the emission direction and intensity to be varied, and the output power to be coordinated to create high fluxes of photosynthetic active radiation while maintaining a desirable color temperature and high color rendering index.

Abstract: A tunable LED lamp for producing biologically-adjusted light having a housing, a power circuit, a driver circuit disposed within the housing and electrically coupled with the power circuit, and a plurality of LED dies electrically coupled to and driven by the driver circuit. The driver circuit may drive the plurality of LED dies to emit a pre-sleep light having a first spectral power distribution and a general illuminating light having a second spectral power distribution. The pre-sleep light may be configured to affect a second biological effect in an observer. The LED lamp may be configured to fit in a troffer fixture. The LED lamp may also be a troffer fixture.

Abstract: A lighting system includes a light source included in an array of light sources to emit illuminating light, a sensor Included in the array to sense environmental light from an environment, and a controller operatively connected to the sensor and the light source to analyze the environmental light sensed by the sensor to at least one of detect and generate data relating to a condition of the environment. The data is transmittable in a data light defined by a data wavelength defined relative to the illuminating light. The controller receives the data included in the data light using the sensor and analyzes the data included in the data light and to control the transmission of the data light from the light source. The plurality of light sources emit the illuminating light in a plurality of directions. The sensor receives the environmental light from a plurality of directions.

Abstract: A method of monitoring movement and predicting a pattern of an individual by a monitoring system comprising a server and a plurality of occupancy-detecting luminaires in communication with the server comprising the steps of receiving an indication of a detected occupancy of an individual from a luminaire of the plurality of luminaires and determining if the system is presently in a pattern for the individual associated with the indication of detected occupancy. Upon a determination that the system is not presently in a pattern, the indication of detected occupancy is written to a record, the record is compared to a database of patterns, and it is determined if a pattern is identifiable from the record. Upon a determination that the system is presently in a pattern, it is determined whether the indication of detected occupancy complies with the pattern.

Abstract: A lighting device may include a base, a housing, a driver circuit, an optic, a thermally-conductive fluid, a LED filament structure, and a fluid flow generator. The base may have an electrical contact. The housing may be attached to the base at a first end and have an internal cavity. The driver circuit may be positioned within the internal cavity and may be in electrical communication with the electrical contact. The optic may be attached to a second end of the housing and have an inner surface which may define an optical chamber. The thermally-conductive fluid may be positioned within the optical chamber. The LED filament structure may be positioned within the optical chamber and may be in electrical communication with the driver circuit. The fluid flow generator may be positioned in fluid communication with the optical chamber and may be in electrical communication with the driver circuit.

Abstract: A method of dynamically adjusting a circadian rhythm comprising the steps of determining a current circadian rhythm status of a circadian rhythm of an observer, accessing a calendar of the observer, and identifying a future event of the observer to precondition for, defined as an identified future event. A preconditioning schedule responsive to the identified future event may then be determined. Furthermore, communication with a light source may be established, and the light source may then be operated to emit light according to the preconditioning schedule.

Abstract: Provided herein are systems and methods for outdoor lighting, which generally include two or more light sources. One light source is a monochromatic light source producing a light with a peak wavelength of about 580 nm or above. A second light source is a polychromatic light source producing a green-tint white light. During a standby operational mode, a control system maintains the first light source illuminated. The control system, which includes an integrated imaging system, illuminates the second light source when the imaging system identifies a target in an illumination area. Methods of preparing and using such outdoor lighting system are also provided.

Abstract: A lighting device according to another embodiment of the invention for directing source light within a source wavelength range in a blue wavelength range in a desired output direction may comprise a MEMS device that may include a DMD that includes an array of MEMS cells, each MEMS cell including an operative surface to receive and redirect the source light towards the desired output direction. The array of MEMS cells may include first and second pluralities of MEMS cells including first and second conversion coatings applied to the operative surfaces thereof configured to convert source light into first and second wavelength ranges. Furthermore, the repositionable surface of each MEMS cell may be positionable between multiple angles to reflect the converted light. The lighting device may comprise a third plurality of MEMS cells where the operative surfaces thereof is devoid of a conversion coating, or, alternatively, comprises a third conversion coating.

Abstract: An LED lamp comprising a housing, a drive circuit, LED dies driven by the drive circuit, and an output-select controller to program the drive circuit to drive the LED dies in one of a pre-sleep configuration and a general lighting configuration. The LED dies comprise LED dies of a first spectral output having a peak wavelength between 500 nm and 600 nm and of a second spectral output having a peak wavelength greater than 600 nm, first blue LED dies having a peak wavelength between 420 nm and 480 nm, and second blue LED dies having a peak wavelength below 420 nm. The drive circuit operates each of the LED dies of the first and second spectral outputs and the second blue LED dies in the pre-sleep configuration, and the LED dies of the first and second spectral outputs and the first blue LED dies in the general lighting configuration.