Abstract: Disclosed is a grid lighting system having at least one housing segment with at least one lighting zone. A lighting module is included that has at least one track lighting module and/or at least one non-track lighting module. The lighting zone extends along a first length of the housing segment having at least one first passage to receive the at least one lighting module. The housing segment includes a first power supply segment to be coupled with a designated line voltage outlet to deliver line voltage power to the lighting module in the lighting zone. Each lighting module includes a lighting subzone, with a second passage to receive one or more lighting submodules along a second length. A second power supply segment is provided to couple with the first power supply segment to receive line power and to deliver low voltage to the one or more lighting submodules.

Abstract: A kit for joining together at least a pair of light fixture segments at a joint interface therebetween to form a light fixture assembly, comprises at least a pair of complementary coupling units, each coupling unit configured to be located in an operative position in one of said light fixture segments to join the other coupling unit at the joint interface defined by complementary abutment surfaces on said light fixture segments, at least one of the complementary coupling units being configured to be adjustably located in the operative position to displace another of the coupling units along a designated travel path toward a limit position, wherein the joining of the light fixture segments at the joint interface occurs in advance of the other coupling unit reaching the limit position.

Abstract: Disclosed is a junction device for joining adjacent housing sections of a light fixture housing assembly, having a junction body structure formed from at least one junction body segment. A plurality of coupling units, each with at least one first boundary including at least one male portion or at least one female portion. The male and/or female portions are configured to enable each corresponding portion a first of the coupling units to receive the male portion of a second of the coupling units. Each of at least two of the coupling units including a first segment formed with the at least one junction body segment at respective first boundaries with the corresponding male or female portions extending therefrom. Each of the male and female portions is configured to be associated with a first locking structure to lock the female and male portions together to form the assembled light fixture housing.

Abstract: A linear lighting assembly is disclosed which produces tailored light distributions valuable in many illumination applications. The linear lighting assembly comprises a unique light scattering optical element within a single edge lit linear lighting module housing configured to fit within a linear light fixture housing, both housings capable of being fabricated in a continuous extrusion process and cut to length as need for specific linear lighting assembly lengths. Light distributions attainable using the invention include, but are not limited to, symmetric and asymmetric bi-lobed “batwing” distributions for wide area direct and indirect lighting, and tilted or asymmetric distributions for perimeter lighting. It is also possible to achieve more rounded and symmetric distributions by an additional diffuser as a cover lens. The invention is particularly well-suited for linear lighting fixtures that are surface mounted, suspended or recessed.

Abstract: A lighting assembly with a single edge lit optical configuration produces various asymmetric light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of the lighting assembly embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The lighting assembly can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the lighting assembly are typically positioned and retained in optical alignment with internal support features of a linear housing.

Abstract: A light fixture with a single edge lit optical assembly produces various light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor and modular design of the light fixture embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The light fixture can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the light fixture are typically positioned and retained in optical alignment with internal support features of a linear housing. The optical assembly typically includes LED board, light guide, and one or more reflective surfaces. Additionally an optically transmitting component further provides a fixture assembler a range of design choices.

Abstract: Disclosed is a grid lighting system having at least one housing segment with at least one lighting zone. At least one lighting module is selected from at least one track lighting module and/or at least one non-track lighting module. The at least one lighting zone extends along a first length dimension of the housing segment and including at least one first passage to receive the at least one track lighting module and/or non-track lighting module. The housing segment includes a first power supply segment to be coupled with a designated line voltage outlet to deliver line voltage power to the at least one lighting module in the at least one lighting zone. Each track lighting module includes a lighting subzone, with a second passage to receive one or more lighting submodules along a second length dimension. A second power supply segment is provided to couple with the first power supply segment to receive line power and to deliver low voltage to the one or more lighting submodules.

Abstract: A ceiling connector assembly for mounting an article includes a ceiling connector configured to present an article-mounting end region below a downward facing ceiling surface, a canopy structure for locating on the mounting end region and configured to cover, at least in part, the mounting end region in a covering position, the canopy structure and the mounting end region each respectively including at least one first mounting structure and at least one second mounting structure, wherein when the first and second mounting structures are configured to enable the canopy structure to be removably mounted on the mounting end region in the covering position.

Abstract: A single edge lit lighting module is disclosed which produces tailored light distributions valuable in many illumination applications. The lighting module comprises a unique light scattering optical element which is aligned with one or more LED light sources along one of its edges and works in combination with configured reflective surfaces. Light distributions attainable using the invention include, but are not limited to, symmetric and asymmetric bi-lobed “batwing” distributions for wide area direct and indirect lighting, and tilted or asymmetric distributions for perimeter lighting. It is also possible to achieve more rounded and symmetric distributions by an additional diffuser as a cover lens. The invention's unique single edge lit construction provides the means for achieving the lighting distributions without the need for conventional two lit edges and within a compact form factor with narrow width.

Abstract: A single edge lit lighting module is disclosed which produces tailored light distributions valuable in many illumination applications. The lighting module comprises a unique light scattering optical element with volumetric light scattering properties which works in combination with configured reflective surfaces and optional surface relief features, Light distributions attainable using the invention are non-lambertian and anisotropic. Light distributions with one or more lobes of peak intensity can be produced which include, but are not limited to, symmetric and asymmetric batwing distributions, asymmetric distributions for perimeter lighting and symmetric distributions. The invention's unique single edge lit construction provide the means for achieving this without need for conventional two lit edges and within a compact form factor with narrow width, particularly well-suited for linear lighting fixtures that are suspended, surface mounted or recessed.

Abstract: A light fixture with a single edge lit optical assembly produces various light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of light fixture embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The light fixture can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions including asymmetrical and symmetrical with one or more peak intensities. Optical components within the light fixture are typically positioned and retained in optical alignment with internal support features of a linear housing.

Abstract: Disclosed is a junction device for joining adjacent housing sections of a light fixture housing assembly, having a junction body structure formed from at least one junction body segment. A plurality of coupling units, each with at least one first boundary including at least one male portion or at least one female portion. The male and/or female portions are configured to enable each corresponding portion a first of the coupling units to receive the male portion of a second of the coupling units. Each of at least two of the coupling units including a first segment formed with the at least one junction body segment at respective first boundaries with the corresponding male or female portions extending therefrom. Each of the male and female portions is configured to be associated with a first locking structure to lock the female and male portions together to form the assembled light fixture housing.

Abstract: A single edge lit lighting module produces bi-lobed light distributions which provide targeted control of light output with peak intensity that is non-normal to the lighting module output face. The compact form factor of module embodiments having narrow width are particularly well-suited for use in linear lighting fixtures for suspended, surface and recessed lighting configurations typically used to illuminate walls, floors and/or ceilings. Embodiments of the single edge lit lighting module utilize reflectors in combination with light guides having volumetric light scattering properties and surface features to control peak intensities, output angles, and shapes of the two light output lobes. A variety of light distributions can be achieved including symmetrical bi-lobed distributions conventionally achieved by double edge lit modules. Further embodiments utilize selective alignment of light guide with reflector to achieve different asymmetric light distributions.

Abstract: A single edge lit lighting module is disclosed which produces tailored light distributions valuable in many illumination applications. The lighting module comprises a unique light scattering optical element which is aligned with one or more LED light sources along one of its edges and works in combination with configured reflective surfaces. Light distributions attainable using the invention include, but are not limited to, symmetric and asymmetric bi-lobed “batwing” distributions for wide area direct and indirect lighting, and tilted or asymmetric distributions for perimeter lighting. It is also possible to achieve more rounded and symmetric distributions by an additional diffuser as a cover lens. The invention's unique single edge lit construction provides the means for achieving the lighting distributions without the need for conventional two lit edges and within a compact form factor with narrow width.

Abstract: A linear light fixture assembly comprises a linear housing structure with a linear mounting region, the linear mounting region including an exposed passage having a first lateral dimension and configured to be secured to a ceiling mounting structure on a ceiling, the ceiling mounting structure having a second lateral dimension, and a linear conduit structure having opposed surfaces which are spaced by a third lateral dimension, wherein the linear housing structure and/or the linear conduit structure are configured so that the first, second/or and third lateral dimensions enable the linear conduit structure to extend past the ceiling mounting structure into the exposed passage to deliver power to one or more light sources to be located in the housing.

Abstract: A linear light fixture assembly comprises a linear housing structure with a linear mounting region, the linear mounting region including an exposed passage having a first lateral dimension and configured to be secured to a ceiling mounting structure on a ceiling, the ceiling mounting structure having a second lateral dimension, and a linear conduit structure having opposed surfaces which are spaced by a third lateral dimension, wherein the linear housing structure and/or the linear conduit structure are configured so that the first, second/or and third lateral dimensions enable the linear conduit structure to extend past the ceiling mounting structure into the exposed passage to deliver power to one or more light sources to be located in the housing.

Abstract: A linear light fixture assembly comprises a linear housing structure with a linear mounting region, the linear mounting region including an exposed passage having a first lateral dimension and configured to be secured to a ceiling mounting structure on a ceiling, the ceiling mounting structure having a second lateral dimension, and a linear conduit structure having opposed surfaces which are spaced by a third lateral dimension, wherein the linear housing structure and/or the linear conduit structure are configured so that the first, second/or and third lateral dimensions enable the linear conduit structure to extend past the ceiling mounting structure into the exposed passage to deliver power to one or more light sources to be located in the housing.

Abstract: A lighting assembly with a single edge lit optical configuration produces various asymmetric light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of the lighting assembly embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The lighting assembly can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the lighting assembly are typically positioned and retained in optical alignment with internal support features of a linear housing.

Abstract: A light fixture with a single edge lit optical assembly produces various light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of the light fixture embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The light fixture can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the light fixture are typically positioned and retained in optical alignment with internal support features of a linear housing. The optical assembly typically includes LED board, light guide, and one or more reflectors, and an optically transmitting component further providing a fixture assembler a range of design choices.

Abstract: A light fixture with a single edge lit optical assembly produces various light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor and modular design of the light fixture embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The light fixture can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the light fixture are typically positioned and retained in optical alignment with internal support features of a linear housing. The optical assembly typically includes LED board, light guide, and one or more reflective surfaces. Additionally an optically transmitting component further provides a fixture assembler a range of design choices.