Abstract: Lighting apparatus and structures are described that are adapted for installation in housings. The housings can be pre-existing ones, such as those installed for high-intensity discharge (HID) or other types of lighting. The lighting apparatus can include a light unit (e.g., luminaire) with desired type of light source(s), for example, an array of LEDs. The apparatus can include structures that are adapted for use with the housings such that installation of a light unit requires a minimum of user effort and time. Such lighting apparatus, and related installation methods, can accordingly provide for high-efficiency lighting. Related assembly and installation techniques are also described.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: A lighting apparatus is shown and described. In one aspect, the lighting apparatus includes a light source, a plate, and frame. The light source can include one or more lighting elements that are in thermal communication with the light source. The plate can have a dissipative portion extending outward from a point of thermal communication between the plate and the light source. The frame can at least partially enclose the light source and may also be in thermal communication therewith.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: A metallic reflector device having one or an array of individual reflector elements for positioning over a corresponding one or array of light sources, preferably comprising one or more light emitting diodes (LEDs). The metallic reflector device includes a planar base and a plurality of the reflector elements. The planar base has one or a plurality of apertures, each aperture having an edge that defines a proximal rim of the reflector element. Each reflector element includes an annular sidewall having an inner surface that extends from the proximal annular rim to a distal annular rim. The proximal annular rim defines a first opening through which direct and reflected light from a light source is emitted. The distal annular rim defines a second opening through which the light source is disposed. The inner surface of the annular sidewall is formed from the material of the planar sheet by mechanically deforming the planar sheet, such as by stamping or drawing.

Abstract: A device for holding and positioning an optic, such as a refractive lens, over a light source such as a light emitting diode. The refractive lens is frustum-shaped with an upper light-exiting end having an upper rim, a lower light-entering end, and a conical sidewall that tapers from the upper rim to the lower end. The device has a channel including a base and first and second sidewalls extending from the opposed side edges of the base, and further having one or more optic holding positions. The optic holding position includes an aperture formed in the base that is configured to receive the conical sidewall of the optic, and an aperture formed in a portion of each sidewall, adjacent the aperture in the base, for retaining a portion of the upper rim of the optic lens. The aperture can include a slot opening through which a portion of the upper rim of the optic lens at least partially extends.

Abstract: A metallic reflector device having one or an array of individual reflector elements for positioning over a corresponding one or array of light sources, preferably comprising one or more light emitting diodes (LEDs). The metallic reflector device includes a planar base and a plurality of the reflector elements. The planar base has one or a plurality of apertures, each aperture having an edge that defines a proximal rim of the reflector element. Each reflector element includes an annular sidewall having an inner surface that extends from the proximal annular rim to a distal annular rim. The proximal annular rim defines a first opening through which direct and reflected light from a light source is emitted. The distal annular rim defines a second opening through which the light source is disposed. The inner surface of the annular sidewall is formed from the material of the planar sheet by mechanically deforming the planar sheet, such as by stamping or drawing.

Abstract: A reflector assembly for a lighting apparatus, the reflector assembly comprising two or more reflector modules configured for associating with one or more light sources, each reflector module comprising one or more reflectors for being located adjacent to a light source when the reflector module is associated with the one or more light sources, the one or more reflectors configured to reflect light from the adjacent light source. The reflector modules may further comprising a cover plate defining a plurality of light source apertures for allowing a light source to protrude through the cover plate, at least a first of the one or more light source apertures disposed adjacent to an overhead reflector and at least a second of the one or more light source apertures disposed adjacent to a lateral reflector.

Abstract: Lighting apparatus and structures are described to space electrical drivers from a light panel. In this way, a driver box housing the driver can be spaced from the light panel to communicate with pre-existing facilities (e.g. electrical wiring) and can serve the additional advantage of keeping the driver box out of standing water that may accumulate on the structure.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: A lighting apparatus having a pivotable light cartridge for positioning and directing the light output of a plurality of light sources, the light cartridge including an elongated base oriented along the longitudinal axis, a pivot at the opposed first and second ends of the light cartridge along the longitudinal axis, a plurality of light sources, and an longitudinal wall extending from the lateral edge of the base, the wall including a plurality of spaced-apart, radially-extending ribs, each having a distal edge. A rotatable worm gear having a helical thread is positioned in mechanical engagement with a portion of the distal edges of the plurality of ribs, so that rotation of the worm gear with a hand tool effects pivoting of the light cartridge along the longitudinal axis.

Abstract: A reflector assembly for a lighting apparatus, the reflector assembly comprising two or more reflector modules configured for associating with one or more light sources, each reflector module comprising one or more reflectors for being located adjacent to a light source when the reflector module is associated with the one or more light sources, the one or more reflectors configured to reflect light from the adjacent light source. The reflector modules may further comprising a cover plate defining a plurality of light source apertures for allowing a light source to protrude through the cover plate, at least a first of the one or more light source apertures disposed adjacent to an overhead reflector and at least a second of the one or more light source apertures disposed adjacent to a lateral reflector.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: A device and method for retrofitting a light fixture from use with a lamp socket that employs an incandescent or metal halide lamp, to use with another lamp assembly. The lamp fixture has a collar with a base and an annular outer wall extending out from the base. The LED lamp device includes a neck base having an annular outer wall having a shaped outside surface that is placed into direct surface contact with the inner surface of the annular outer wall of the collar, to establish an effective heat-transferring interface. The shaped outer surface of the neck base provides proper fitting of the LED lamp device into the lighting fixture, and provides a heat-transferring interface over substantially all of the outer surface of the neck base, to dissipate heat away from the LED module. Aluminum material provides high thermal conductivity, light weight, availability, and low cost.

Abstract: A lighting apparatus having a base member and a directional member are shown and described. The base member includes a first surface having a plurality of reflective elements extending therefrom. The base member also including a plurality of openings arranged in a pattern. Each openings is configured to receive a respective light source. The directional member has a portion of a reflective surface positioned relative to at least one opening to reflect light radiating from a lighting source disposed within the opening towards a portion of at least one of the reflective elements extending from the base member.

Abstract: Lighting apparatus and structures are described that are adapted for installation in housings. The housings can be pre-existing ones, such as those installed for high-intensity discharge (HID) or other types of lighting. The lighting apparatus can include a light unit (e.g., luminaire) with desired type of light source(s), for example, an array of LEDs. The apparatus can include structures that are adapted for use with the housings such that installation of a light unit requires a minimum of user effort and time. Such lighting apparatus, and related installation methods, can accordingly provide for high-efficiency lighting. Related assembly and installation techniques are also described.

Abstract: LED lighting fixtures, or luminaires, related components, driver circuit, methods, and software/firmware are described can provide for among other things, ambient environment sensing, thermal self-monitoring, sensor-based power management, communications, and/or programmability. Driver and lighting circuits configured for electrical loads such as series arrangements of light emitting diodes are also described. Embodiments of PFC stages and driver stages can be combined for use as a power supply, and may be configured on a common circuit board. Power factor correction and driver circuits can be combined with one or more lighting elements as a lighting apparatus. Methods of hysteretic power factor correction start-up are also described.