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 fluorescent tube retrofit luminaire includes a lamp, a light guide, and a heat dissipating frame. The lamp may include a bi-pin base, middle structure, and outer structure, which may include a light-emitting diode (LED)-based light source in thermal communication with a finned heat sink section of the middle structure. Light emitted from the light source may be distributed generally along the length and/or width of the light guide. A bi-pin connector in the light guide may attach the luminaire to a first fluorescent socket. The bi-pin base may be received by a mounting aperture in the light guide before anchoring the luminaire to a second fluorescent socket using a pin-lock. The heat dissipating frame may be in thermal communication with both the light guide and the heat sink section of the lamp.

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.

Abstract: A system for generating light with reduced physioneural compression. The system includes a first light source operable to emit light within a first wavelength range corresponding to a first photoreceptor and a second light source operable to emit light within a second wavelength range corresponding to a second photoreceptor. The system includes a controller functionally coupled to each of the first light source and the second light source. The controller is configured to alternately operate one of the first light source and the second light source with a duty cycle that is less than a response time of the visual cortex, but greater than a response time of physioneural cells, optionally including a latency between operation of light sources. The system may further include a third light source corresponding to a third photoreceptor.

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 wall-mountable luminaire may include interchangeable adapter plugs having first and second male connectors, the first of which connects electrically and mechanically to an external electrical socket, and the second of which connects electrically and mechanically to an on-board multi-standard socket. A power supply may detect a plurality of electrical power types received from the multi-standard socket, and may condition that input power to drive LEDs. Remote computing devices may transmit control data wirelessly to direct a controller to selectively operate the LEDs to form a modified distribution pattern. A housing assembly may support wall mounting of the luminaire, and trim assembly may define a cavity that provides aesthetic and protective cover for the components carried by the housing assembly. A method aspect of the invention details steps for operating the luminaire.

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 thermally conductive sheet may include an electrically insulative bottom film, an electrically insulative top film, and an intermediate layer positioned between the bottom film and the top film. The intermediate layer may include a mixture of granulated thermally conductive material and granulated electrically insulating polymer. The granulated electrically insulating polymer is adapted to form a polyimide bridge between the bottom film and the top film.

Abstract: A debris removal device for electrostatically removing debris may include a sheet comprising a plurality of conductive traces and a driver circuit positioned in electrical communication with the conductive traces of the sheet. Each conductive trace may be spaced apart from adjacent conductive traces. Furthermore, the driver circuit may be configured to selectively energize subsets of the plurality of conductive trace. The driver circuit may be configured to energize the subsets of the plurality of conductive traces sequentially.

Abstract: A lighting system with adjustable wavelength output that may include a plurality of light sources, a controller positioned in electrical communication with the plurality of light sources, and an optical sensor system positioned in electrical communication with the controller. The controller may be configured to selectively operate each light source of the plurality of light sources to emit one or more source lights. The optical sensor system may be configured to sense a reflected light that is reflected by an object upon which the source lights are incident. The optical sensor system may be configured to sense a wavelength range of the reflected light defined as a measured wavelength range and may further be configured to transmit a signal to the controller responsive to the measured wavelength range. The controller may be configured to operate the plurality of light sources responsive to the signal received from the optical sensor system.