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: A lighting device may include a light source, a control circuit, and a communication device positioned in communication with the control circuit. The communication device may be configured to receive a transmission from a user device, and the transmission may include a data structure. The data structure may include a show packet and an event packet. The show packet may include an ID string and information regarding a number of event packets associated with the data structure, and the event packet may include information regarding a lighting spectrum, a fade type, a fade duration, and a hold duration. The control circuit may be configured to operate the light source to emit light transitioning from a present light emission having a present spectral power distribution to a light emission having spectral power distribution indicated by the lighting spectrum according to the fade type and fade duration.

Abstract: A method is for dynamically adjusting a circadian rhythm of an observer via a user device that includes control circuitry and an associated memory. The method includes accessing a calendar, identifying future events to precondition for and determining a preconditioning schedule for at least one of the identified future events. Determining the schedule includes identifying a circadian shift needed for the at least one identified future event, determining a magnitude of the circadian shift, determining a timeframe for preconditioning, determining a magnitude of a per-day shift based upon the timeframe, and determining if the per-day shift exceeds a maximum allowed per-day shift.

Abstract: A luminaire is for use in a lighting apparatus that includes a plurality of luminaires and a computerized device. The luminaire includes a plurality of lights and a controller. The luminaire is operated to emit source light characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers, and with a different dominant source light wavelength than the source light of at least one other luminaire in the lighting apparatus, and such that the source light emitted by the luminaire is combined with the source light emitted by the at least one other luminaire to form a combined light. The dominant source light wavelength of the luminaire is variable with time, and the controller operates the plurality of LEDs such that a color temperature of the combined light does not vary more than 5% across the length and width of the area of illumination while the dominant source wavelength varies with time.

Abstract: A thoroughfare lighting device includes a housing to be attached to a thoroughfare surface, and including sidewalls that taper. A plurality of light-emitting diodes (LEDs) selectively illuminate individual lanes, including a first set of LEDs to emit a generally white light, and a second set of LEDs to emit colored light that is observable by an observer. A driver circuit operates the second set of LEDs to emit colored light illuminating a single lane indicating a condition of the individual lane. Optics may be carried by the housing and positioned in optical communication with at least a portion of the plurality of LEDs. A traffic sensor communicatively coupled to the driver circuit and configured to sense a traffic pattern and generate information regarding traffic on the associated thoroughfare. The driver circuit is configured to operate the plurality of LEDs responsive to the information generated by the traffic sensor.

Abstract: An LED lamp for producing biologically-adjusted light output comprising a base, a housing attached to the base, a drive circuit configured to electrically couple to a power source, and a plurality of LEDs. The drive circuit is configured to operate the plurality of LEDs such that a peak blue output intensity level, in a visible spectral output range of between 380 nm and 485 nm is between 0% and 10% of a relative spectral power of any other peaks in the visible spectral output above 485 nm.

Abstract: An adaptive light system including a color matching engine, a controller, and a plurality of light sources each configured to emit a source light. The color matching engine determines a dominant wavelength of a selected color, and a combination of the light sources that the controller may operate to emit a combined wavelength that approximately matches the dominant wavelength of the selected color. A color capture device transmits a source color signal designating the selected color. A method of adapting light comprises receiving a selected color, converting a value representing a dominant wavelength of the selected color, determining a combination of and percentages of colors emitted by the plurality of light sources that may be combined to form an adapted light that matches the selected color, and operating the light sources along with a white light to emit the adapted light.

Abstract: A luminaire is for use in a lighting apparatus that includes a plurality of luminaires and a computerized device. The luminaire includes a plurality of lights and a controller. The luminaire is operated to emit source light characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers, and with a different dominant source light wavelength than the source light of at least one other luminaire in the lighting apparatus, and such that the source light emitted by the luminaire is combined with the source light emitted by the at least one other luminaire to form a combined light. The dominant source light wavelength of the luminaire is variable with time, and the controller operates the plurality of LEDs such that a color temperature of the combined light does not vary more than 5% across the length and width of the area of illumination while the dominant source wavelength varies with time.

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.

Abstract: A thoroughfare lighting device comprising a housing configured to be attached to a thoroughfare surface, a plurality of LEDs configured to selectively illuminate individual lanes of the thoroughfare surface, the plurality of LEDs 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 operable to selectively emit light so as to illuminate individual lanes of the thoroughfare surface, a driver circuit configured to operate the second set of LEDs to emit a colored light indicating the condition of a first lane of the thoroughfare surface, and an optic carried by the housing and positioned in optical communication with the plurality of LEDs.

Abstract: A lighting device may include a light source, a control circuit, and a communication device positioned in communication with the control circuit. The communication device may be configured to receive a transmission from a user device, and the transmission may include a data structure. The data structure may include a show packet and an event packet. The show packet may include an ID string and information regarding a number of event packets associated with the data structure, and the event packet may include information regarding a lighting spectrum, a fade type, a fade duration, and a hold duration. The control circuit may be configured to operate the light source to emit light transitioning from a present light emission having a present spectral power distribution to a light emission having spectral power distribution indicated by the lighting spectrum according to the fade type and fade duration.

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 lighting apparatus comprising a plurality of luminaires, each luminaire comprising a controller configured to operate the luminaire and positioned in communication with a computerized device. Each luminaire may be selectively operable to emit source light characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers. Additionally, at least two of the plurality of luminaires may be operable to emit source lights with different dominant source light wavelengths, and such that one or more source lights emitted by the plurality of luminaires may combine to form a combined light at a distance from the plurality of luminaires defined as a combining distance. Furthermore, the dominant source light wavelength of at least some of the luminaires of the plurality of luminaires may be variable with time.

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.

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 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 lighting device may include a light source, a control circuit, and a communication device positioned in communication with the control circuit. The communication device may be configured to receive a transmission from a user device, and the transmission may include a data structure. The data structure may include a show packet and an event packet. The show packet may include an ID string and information regarding a number of event packets associated with the data structure, and the event packet may include information regarding a lighting spectrum, a fade type, a fade duration, and a hold duration. The control circuit may be configured to operate the light source to emit light transitioning from a present light emission having a present spectral power distribution to a light emission having spectral power distribution indicated by the lighting spectrum according to the fade type and fade duration.

Abstract: A retrofit lighting system is provided comprising a power supply assembly configured to convert an AC input voltage into a DC output voltage and to adapt the DC output voltage to a substantially constant current level to be defined as a regulated current, at least one distribution wire in electrical communication with the power supply assembly and configured to conduct the regulated current, and at least one respective luminaire assembly spaced apart from and in electrical communication with the power supply assembly, and configured to receive the regulated current from the at least one distribution wire. The DC output voltage may be about 12 volts or less.

Abstract: A retrofit canopy light system is provided that has a multi-output power supply assembly in electrical communication with a plurality of luminaire assemblies through a plurality of distribution wires. In one embodiment, each luminaire assembly may receive an electric current from a respective distribution wire extending from the power supply assembly. The power supply assembly may convert high-voltage AC to low-voltage, regulated DC. Each luminaire assembly may comprise a light source and a low profile, heat-dissipating frame in thermal and mechanical communication with the light source. The heat-dissipating frame may be constructed of a thermally conductive material, and may include a plurality of heat sink fins and bars. The heat-dissipating frame may present a substantially flat surface configured for flush mounting adjacent to an existing canopy fixture.

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.