Abstract: A lighting device includes a housing attached to a thoroughfare surface. The housing may have a top surface, a proximal face, a distal face, and first and second opposing sidewalls extending between the proximal face and the distal face and extending downwardly from the top surface. The lighting device may further include a first primary optic that may be carried by the housing adjacent the first sidewall that may define a first optical chamber. The lighting device may also further include a first light source that may be positioned within the first optical chamber and may be carried by the housing adjacent the first sidewall. The first sidewall may taper in a direction of the distal face. The first primary optic may be configured to direct light outward and in a direction of the taper in the first sidewall.

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 linear light assembly having an elongate tray and a plurality of moveable lighting packages. The elongate tray may provide both mechanical support and thermal management for the plurality of moveable lighting packages. The elongate tray may comprise a medial channel portion with a planar track member and two opposing rim members projecting perpendicularly outward therefrom. Each flange portion may have a U-shaped cross-section. Each moveable package may comprise an assembly tray and an optical assembly having at least one light-emitting device (LED). Each moveable lighting package may be adjustably positioned along and independently removed from the front side of the track member of the elongate tray. Any segmentation of the elongate tray may be characterized by a heat dissipation rate not less than a combined heat generation rate of all moveable lighting packages carried by the segment. A method aspect includes installation of the linear light assembly.

Abstract: A method for embedding a dopant into a glass substrate is provided. The method may include the steps of applying the dopant to a surface of the glass substrate, positioning the glass substrate adjacent to a catalyst such that the dopant is intermediate the catalyst and the glass substrate, heating the glass substrate to a first temperature, operating a directed thermal energy source so as to generate thermal energy incident upon the dopant, reducing the temperature of the glass substrate to a second temperature below the first temperature, and holding the glass substrate at the second temperature for at least a period of time.

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 luminaire to be carried by a lighting fixture. The luminaire may include a housing, a primary optic disposed within the housing having a reflective inner surface defining an optical chamber, a light source, and a heat sink defining an aperture through which light may propagate. The light source may include a plurality of light-emitting diodes (LEDs). The luminaire may further include a secondary optic positioned adjacent to the light source that may collimate and/or refract light emitted by the light source, and may form a seal between the light source and the optical chamber. The luminaire may further include a color conversion layer configured to change the color of light emitted by the light source.

Abstract: A signal adapting chromacity system to control that may include a signal conversion engine to receive a source signal designating a color of light defined by a two spatial plus luminance dimensional color space, such as the xxY color space. The signal conversion engine may convert the source signal to a three dimensional color space defined within a subset gamut of a full color gamut, such as an RGW, RBW, or GBW color space. The subset gamut may include a first color light, a second color light and a high efficacy light. The signal conversion engine may perform a conversion operation to convert the source signal to an output signal, using the output signal to drive light emitting diodes (LEDs). The conversion operation may be a matrix, angular or linear conversion operation.

Abstract: The present invention provides a multicolor LED assembly packaged with improved and controlled color mixing to create a more uniform color mixture. The assembly includes at least one lens overlying an encapsulant which encapsulates a plurality of LED dies. The lens includes a top surface and a bottom surface with the contour of the bottom surface designed to redirect light from each of the LED dies in different directions towards the top surface of the lens. The contoured shaped of the bottom surface of the lens redirects light from each of the plurality of LED dies such that illuminance and luminous intensity distributions of the plurality of LED dies substantially overlap, wherein the deviation from complete overlap is less than a predetermined amount which is substantially imperceptible to the average human eye.

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: An inductive coupling system for delivering power from an induction assembly attached to a first side of a structure to a load assembly positioned on a second side of a structure. The induction assembly may couple with the load assembly so as to removably attach the load assembly to the second side of the structure. Furthermore, a triggering device in the load assembly may initiate the inductive coupling between the induction and load assemblies.

Abstract: An edge lit lighting device including a housing, a power circuit, a light source, and an optic. The power circuit may be carried by the housing, and adapted to form an electrical connection with an external power source. The light source may be carried by the housing and electrically connected to the power circuit. The optic may be carried by the housing and positioned in optical communication with the light source. The optic may further include a receiving surface positioned adjacent to the light source, and first and second emitting surfaces. The first emitting surface may include a plurality of features configured to redirect light defined as redirected light in a direction of the second emitting surface, the redirected light being emitted from the second emitting surface. The lighting device may further include pluralities of optics of light sources.

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 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 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 luminaire may be carried by a lighting fixture and may have a generally concave elongate-shaped housing defining an optical chamber and an aperture. The luminaire may include a plurality of lighting devices each having a heat sink, a light source, and a magnetic attachment member. The magnetic attachment member may magnetically bind a lighting device to pads proximate to ferromagnetic material in the housing. Light emitted by the light source may enter the optical chamber and pass through the aperture in a generally orthogonal direction in relation to the orientation of the device. Electrical power may be delivered by one or more power supply unit of either an external or an on-board type, and by using either inductive or conductive coupling. Network interfaces may enable communication of control instructions among a multiple controllers located either within a single luminaire or distributed among multiple luminaires.

Abstract: A lighting device includes a housing attached to a thoroughfare surface. The housing may have a top surface, a proximal face, a distal face, and first and second opposing sidewalls extending between the proximal face and the distal face and extending downwardly from the top surface. The lighting device may further include a first primary optic that may be carried by the housing adjacent the first sidewall that may define a first optical chamber. The lighting device may also further include a first light source that may be positioned within the first optical chamber and may be carried by the housing adjacent the first sidewall. The first sidewall may taper in a direction of the distal face. The first primary optic may be configured to direct light outward and in a direction of the taper in the first sidewall.

Abstract: A luminaire carried by a lighting fixture, having a generally concave-shaped housing defining an optical chamber and an aperture, and a plurality of lighting devices each having a heat sink, a light source, and a magnetic attachment member. Each lighting device may be positioned about the inner surface of the housing. The magnetic attachment member may magnetically bind a lighting device to pads proximate to ferromagnetic material in the housing. Light emitted by the light source may enter the optical chamber and pass through the aperture in a generally orthogonal direction in relation to the orientation of the device. Electrical power may be delivered by one or more power supply units of either an external or an on-board type, and by using either inductive or conductive coupling. Network interfaces may enable communication of control instructions among a multiple controllers located either within a single luminaire or distributed among multiple luminaires.

Abstract: A lighting device comprising a heat sink, a light source in thermal communication with the heat sink, and a power source operably coupled with the light source. The heat sink, light source, and power source are positioned in a cavity defined by an enclosure and an optic which present a puck-like shape when assembled. A magnetic attachment member installed in the cavity of the enclosure magnetically binds the lighting device to a ferromagnetic material external to the lighting device. The power source receives an AC input voltage through inductive and/or conductive coupling, and converts the voltage to DC to support light-emitting diodes (LEDs). A controller may operate the light source based on instructions transmitted by a beam adjustment device and/or an occupancy sensor. A method aspect of the invention details steps for assembling the lighting device.