Abstract: A luminaire that includes a heat spreader, a heat sink diametrically outboard of the heat spreader, an optic retained by the heat spreader, a light source disposed on the front side of the heat spreader, and a power conditioner disposed on the heat spreader. The power conditioner is disposed on the same side of the heat spreader as the light source. The heat sink includes fins that alternate with adjacently disposed and radially oriented recesses.

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 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: A lighting system comprising a light source operable to emit a source light, a sensor operable to sense environmental light from an environment, and a controller operatively connected to each of the sensor and the light source and 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 transmitted data light. The sensor is operable to sense the presence or absence of a dominant wavelength comprised by the environmental light. Additionally, the controller is operable to correlate the dominant wavelength with a substance.

Abstract: A luminaire that includes a heat spreader, a heat sink diametrically outboard of the heat spreader, an optic retained by the heat spreader, a light source disposed on the front side of the heat spreader, and a power conditioner disposed on the heat spreader. The power conditioner is disposed on the same side of the heat spreader as the light source. The heat sink includes fins that alternate with adjacently disposed and radially oriented recesses.

Abstract: A luminaire is providing comprising a heat spreader and a heat sink thermally coupled to the heat spreader, an outer optic retained relative to at least one of the heat spreader and the heat sink, a light source in thermal communication with the heat spreader and comprising a plurality of light emitting diodes (LEDs) that are disposed on the heat spreader such that the heat spreader dissipates heat from the plurality of LEDs, and a power conditioner configured to receive AC voltage and deliver DC voltage to the plurality of LEDs, the power conditioner being disposed on a same side of the heat spreader as the plurality of LEDs. A combination defined by the heat spreader, the heat sink and the outer optic is so dimensioned to cover an opening defined by a nominally sized can light fixture and cover an opening defined by a nominally sized electrical junction box.

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 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 lighting system comprising a light source operable to emit a source light, a sensor operable to sense environmental light from an environment, and a controller operatively connected to each of the sensor and the light source and 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 transmitted data light. The sensor is operable to sense the presence or absence of a dominant wavelength comprised by the environmental light. Additionally, the controller is operable to correlate the dominant wavelength with a substance.

Abstract: A luminaire comprising a first and second terminal connected to an alternating current power source having a period, a first LED light source electrically coupled to each of the first and second terminals, and a second LED light source electrically coupled to each of the first and second terminals. The first LED light source comprises a first color conversion layer having a first emission latency.

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 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 luminaire is providing comprising a heat spreader and a heat sink thermally coupled to the heat spreader, an outer optic retained relative to at least one of the heat spreader and the heat sink, a light source in thermal communication with the heat spreader and comprising a plurality of light emitting diodes (LEDs) that are disposed on the heat spreader such that the heat spreader dissipates heat from the plurality of LEDs, and a power conditioner configured to receive AC voltage and deliver DC voltage to the plurality of LEDs, the power conditioner being disposed on a same side of the heat spreader as the plurality of LEDs. A combination defined by the heat spreader, the heat sink and the outer optic is so dimensioned to cover an opening defined by a nominally sized can light fixture and cover an opening defined by a nominally sized electrical junction box.

Abstract: A luminaire for use in a lighting apparatus comprising a plurality of luminaires and a computerized device comprising a plurality of lights and a controller configured to communicate with the computerized device, and coupled to the plurality of lights, and configured to operate the luminaire to emit source light, the source light being characterized by a dominant source light wavelength that varies with time within a range from 390 nanometers to 750 nanometers. The controller is configured to operate the plurality of lights to emit a source light with a different dominant source light wavelength than the source light of another luminaire in the lighting apparatus and combine with the source light emitted by the at least one other luminaire to form a combined light at a distance from the luminaire, receive a lighting scenario from the computerized device, and operate the luminaire responsive to the lighting scenario.

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 providing comprising a heat spreader and a heat sink thermally coupled to the heat spreader, an outer optic retained relative to at least one of the heat spreader and the heat sink, a light source in thermal communication with the heat spreader and comprising a plurality of light emitting diodes (LEDs) that are disposed on the heat spreader such that the heat spreader dissipates heat from the plurality of LEDs, and a power conditioner configured to receive AC voltage and deliver DC voltage to the plurality of LEDs, the power conditioner being disposed on a same side of the heat spreader as the plurality of LEDs. A combination defined by the heat spreader, the heat sink and the outer optic is so dimensioned to cover an opening defined by a nominally sized can light fixture and cover an opening defined by a nominally sized electrical junction box.

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.