Abstract: A light-directing apparatus for off-axial preferential-side distribution of light from a light emitter having an emitter axis, including a lens member positioned over the light emitter and a shield member. The lens member has a proximal end substantially transverse the emitter axis and an outer surface which may be configured for refracting light from the emitter. The shield member may be snugly received in a shield-receiving void of an inner surface of the lens member. Alternatively, the shield member is embedded by the lens member having been molded thereabout. Another aspect of this invention is a lighting fixture utilizing such light-directing apparatus.

Abstract: An LED apparatus including (a) a mounting board, (b) a plurality of LED packages thereon, (c) a lens member over each LED package, and (d) a safety barrier positioned over the mounting board, the barrier having sufficient thickness for enclosure of electrical elements on the mounting board and including a plurality of openings each sized to permit light from an LED package to pass therethrough and through a light-transmission portion of the lens member over such LED package to prevent finger-contact of electrical elements on the mounting board when the light-transmission portion is not present.

Abstract: An LED apparatus of the type including (a) a mounting board having an LED-supporting surface with an LED device thereon and (b) a lens member over the LED device establishing a light path therebetween. The inventive LED apparatus includes a lens-aligning member having front and back surfaces and defining an aperture receiving the LED device therethrough such that the LED device protrudes beyond the front surface. The lens member includes a lens portion and a flange thereabout, the flange being attached to the front surface of the lens-aligning member such that the lens portion substantially surrounds the protruding LED device. The lens-aligning member has a first mating feature which is positioned and arranged for mating engagement with a second mating feature of the mounting board, thereby accurately aligning the lens member over the LED device by accurately aligning the lens-alignment member with the mounting board.

Abstract: In a first embodiment the invention is for use with a light-fixture assembly for elongate light tubes of the type that includes (a) an elongate support frame and (b) a cross-structure at each of the opposite ends thereof and has at least one lamp holder thereon. The improvement of the embodiment wherein the cross-structures each include at least one folding arm movable between a stowed position substantially parallel with the support frame and a deployed position substantially perpendicular to the support frame.

Abstract: A light-directing apparatus for off-axial preferential-side distribution of light from a light emitter having an emitter axis, including a lensing member positioned over the light emitter a shield member embedded within the lensing member in a position in the path of light emitted toward a non-preferential side. The lensing member having a proximal end substantially transverse the emitter axis and an outer surface configured for refracting light from the emitter. The shield member may be snugly received in a shield-receiving void of an inner surface of the lensing member. Alternatively, the shield member is embedded by the lensing member having been molded thereabout. Another aspect of this invention is a lighting fixture utilizing such light-directing apparatus.

Abstract: A lens for distribution of light predominantly toward a preferential side from a light emitter having an emitter axis and defining an emitter plane. The lens has an emitter-adjacent base end forming an emitter-receiving opening to an emitter-surrounding cavity defined by an inner surface which includes a front sector centered on the preferential side and a back sector centered on the non-preferential side radially opposite the preferential side. The front and back sectors differ in their respective configurations for refracting light from the emitter. The lens further includes an primary back surface positioned to receive light from at least a portion of the inner-surface back sector and configured for total internal reflection (TIR) thereof. The inner-surface back sector and the primary back surface extend along substantially elliptical cross-sections in planes substantially parallel to the emitter plane.

Abstract: An LED lighting fixture includes a support structure having a horizontal cross-dimension and a top structure attached to the support structure and extending outwardly beyond the support structure. The top structure has a bottom surface with peripheral portion surrounding a non-peripheral portion. A plurality of LED emitters are positioned on the peripheral portion for emitting light in downward direction substantially outside of the horizontal cross-dimension of the support structure.

Abstract: A light-directing lensing member for off-axial preferential-side distribution of light from a light emitter having an emitter axis, including a base end with a perimeter-loop line defining a main plane transverse the emitter axis, and an outer surface configured for refracting light from the emitter in a predominantly off-axis direction toward the preferential side. The outer surface includes a major lens-portion and an axially-located minor lens-portion. The major lens portion outer surface has a front region centered on the front side, a back region centered on the back side, and a middle region around the emitter axis and contiguous with the front and back regions. The minor lens-portion has a surrounding-loop surface extending from the middle region transverse the main plane and terminating at an end surface configured to direct substantially axially-parallel light from the emitter in off-axis direction toward the preferential side.

Abstract: A lens for distribution of light from a light emitter having an emitter axis and defining an emitter plane. The lens including an emitter-adjacent base end forming an opening to an inner cavity surrounding the emitter. An inner-cavity surface includes an axis-adjacent first inner region configured for refracting emitter light rays away from the axis, a second inner region spaced from the first inner region and configured for refracting emitter light rays toward the axis, and a middle inner region joining and substantially cross-sectionally asymptotical to the first and second inner regions. The middle inner region is positioned with respect to the emitter to refract light away from the axis by progressively lesser amounts at positions progressively closer to the second inner region.

Abstract: A lighting fixture including a housing having a chamber defined by a surrounding wall, at least one power-supply unit within the chamber, and a slidable interlock securing the power-supply unit to the surrounding wall. The interlock includes a linear groove on one of the power-supply unit and the wall, and a mating projection on the other of the power-supply unit and the wall and slidably receivable into the groove. The power-supply unit is readily securable within the chamber by slidable engagement with the surrounding wall. It is preferred that the power-supply unit be secured closely against the fixture-exterior wall-portion, thus facilitating heat transfer from the power-supply unit to outside the fixture.

Abstract: A permanently-installable LED light fixture including a housing including a substantially water-tight chamber, at least one electronic normal-operation LED-driver enclosed within the chamber and receiving power from a general off-location power source during normal operation, an LED assembly secured with respect to the housing, the LED assembly having at least one LED-array module, and at least one backup battery within the chamber capable of providing power during a power outage. In certain preferred embodiments at least one electronic backup LED-driver unit is enclosed within the chamber, the backup LED-driver unit drawing battery power during a power outage.

Abstract: The inventive directionally-adjustable LED spotlight is comprised of a fixed heat sink and an LED-array-bearing structure. The LED-array-bearing structure is adjustably attached in a heat transfer relationship to the fixed heat sink.

Abstract: An LED lighting fixture including a housing including a first and second border structures. An LED assembly is secured with respect to the housing to permit air/water-flow over the LED assembly. The LED assembly includes at least one LED-array module mounted at an elongate LED heat sink that extends along the housing and between two heat-sink ends. The heat sink has an LED-module-engaging surface and a heat-transfer surface. One heat-sink end is at the first border structure and the other heat-sink end is at the second border structure. The housing and the heat sink define an air gap permitting air/water-flow to and from the heat sink.

Abstract: In an embodiment of a light fixture support assembly for securing a light fixture to a fixed surface, the assembly includes a fixture-support member and a surface-attachment member. The fixture-support member has proximal and distal ends and also includes walls defining a compartment and further defining a first opening at the proximal end of the fixture-support member for communication with the surface-attachment member. The walls further define a second opening for communication with the light fixture. The fixture-support assembly also has a neck portion extending from the proximal end and the neck portion has a flange portion extending from it. The surface-attachment member includes a proximal end attached to the fixed surface and a distal end configured to engage the neck portion, whereby the fixture-support member is supported by the surface-attachment member when the neck portion is inserted into the fixture-support member.

Abstract: An LED floodlight fixture including a housing that forms a substantially water/air-tight chamber, electronic LED driver(s) within the chamber, and an LED assembly secured with respect to the housing adjacent thereto in non-water/air-tight condition, the LED assembly having at least one LED-array module mounted on an LED heat sink. In certain preferred embodiments the housing is a perimetrical structure such that the substantially water-tight chamber substantially surrounds the LED assembly.

Abstract: A light-directing lensing member for off-axial preferential-side distribution of light from a light emitter having an emitter axis, including a base end with a perimeter-loop line defining a main plane transverse the emitter axis, and an outer surface configured for refracting light from the emitter in a predominantly off-axis direction toward the preferential side. The outer surface includes a major lens-portion and an axially-located minor lens-portion. The major lens portion outer surface has a front region centered on the front side, a back region centered on the back side, and a middle region around the emitter axis and contiguous with the front and back regions. The minor lens-portion has a surrounding-loop surface extending from the middle region transverse the main plane and terminating at an end surface configured to direct substantially axially-parallel light from the emitter in off-axis direction toward the preferential side.