Abstract: An end cap for a light-emitting-diode (LED) light tube includes an end cap housing having an end surface, an electric circuit and a switch for closing the electric circuit or opening the electric circuit. The switch includes a switch body having a pivot axis. The switch body is configured to pivotally move, with respect to the pivot axis, between an on-position for closing the electric circuit and an off-position for opening the electric circuit. When the switch is in the off-position, an end part of the switch body protrudes from the end surface of the end cap housing, and when the switch is in the on-position, the switch body and is substantially flush with respect to the end surface. When the switch is in the off-position, an outer surface of the switch body inclines with respect to the end surface of the end cap housing.

Abstract: The disclosed subject matter includes a projector headlight using a plurality of optical units for a low beam with a high visible/visual quality. Each of the optical units can include a plurality of LED devices and a projector lens. The projector lens can include a light-emitting surface including a reflex function and a reflex surface including a light incoming surface that is located on the opposite side of the light-emitting surface. The LED devices can be located adjacent the light incoming surface, and the optical units can be located so that angles between optical axes of adjacent optical units can be identical. Thus, the projector headlight can form various favorable light distribution patterns by changing curvature factors of the light-emitting surface and the reflex surface of the projector lens in each of the optical units and by changing the angles between the optical axes of the adjacent optical units.

Abstract: A light modifier for an LED producing light about a central axis is provided. The light modifier includes a lens defining an indentation. The indentation is angled relative to the central axis by an amount less than a complementary angle of a critical angle of the lens along the indentation. The lens can reduce the appearance of a bright spot created by the LED.

Abstract: An adjustable assembly for conveying heat away from a fixture. The adjustable assembly includes a sliding plate having a first side for mounting the fixture thereon and a curved surface opposite the first side. The adjustable assembly also includes a fixed heat sink having a mating surface adapted to allow the curved surface of the sliding plate to slide from a first position to a second position while maintaining a substantially flush contact between the curved surface of the sliding plate and the mating surface of the fixed heat sink. At least one fastener is also provided for securing the sliding plate to the fixed heat sink alternately in the first position or the second position.

Abstract: An electronic ballast mounting arrangement for HID luminaires on a vertical pole for sports lighting is disclosed. The mounting arrangement comprises an elongate channel to which a weather tight enclosure is fixedly secured. Electronic ballast units are provided in pairs immediately above and/or below the enclosure. Male/female connectors are arranged between end plates of the electronic ballast units and exterior panels of the enclosure so that electrical connections between the ballast units and components on the interior of the enclosure can be made without exposed cables simply by sliding partially pre-mounted ballast units a limited distance toward the adjacent enclosure panel to mate the complemental parts of the connectors, after which the fasteners holding the ballast units to the support are tightened down.

Abstract: A lens includes a light incident surface and a light exiting surface. The light exiting surface includes a first concave surface, a first convex surface, a second convex surface, a first curved surface, and a second curved surface. The first concave surface is located at the center of the light exiting surface for diverging the light exiting therefrom. The first and second convex surface are arranged at two opposite sides of the first concave surface respectively for converging the light exiting therefrom; the first convex surface, the first concave surface, and the second convex surface connect in sequence along a first direction. The first and second curved surfaces are arranged at another two opposite sides of the first concave surface respectively; the first curved surface, the first concave surface, and the second curved surface connect in sequence along a second direction perpendicular to the first direction.

Abstract: A shock resistant outdoor lamp has a bulb assembly includes a shock resistant gas-filled vessel coupled to an RF source. The vessel has a transparent or translucent body having an inner surface and an outer surface and a cavity formed within the inner surface. The gas-filled vessel comprises a first end region and a second end region. The bulb assembly has a length provided between the first end region and the second end region and ranging from about 0.5 centimeter to about three centimeters characterizing the gas-filled vessel. The bulb assembly at least one or more coupling members operably coupled to the gas-filled vessel such that the outer surface of the gas-filled vessel is substantially free from mechanical damage caused with the one or more coupling members and substantially free from any openings in the thickness.

Abstract: This board is a complex including a rigid support covered with a luminous fabric. The rigid support has a front face, a rear face, a first edge, and a second edge opposite the first edge. The luminous fabric at least partly covers the front face of the rigid support, extending from the first edge toward the second edge, and includes optical fibers extending over the front face of the rigid support substantially perpendicular to the first edge and the second edge. First ends of the optical fibers are bent around the first edge toward the rear face of the rigid support, and a gripping element are provided on the first edge and form a clamp for gripping the bent parts of the optical fibers and the first edge of the rigid support.

Abstract: A sheet and a light emitting device are provided which also emit light having an incident angle larger than or equal to a critical angle to significantly increase light extraction efficiency, prevent ambient light reflection, and suppress the occurrence of a distribution of light intensity varying depending on the direction and an imbalance in color. The light emitting device has a surface structure (13) in a surface adjacent to a light emitting element of a transparent substrate (5). The surface of the transparent substrate (5) is virtually divided into minute regions without a gap, the diameter of a largest circle inscribed in the minute region being 0.2 ?m or more and 1.5 ?m or less. Each minute region has a convex or concave shape in the surface of the transparent substrate 5. The proportions of the convex shapes and the concave shapes are P and 1?P, respectively, where P is within the range of 0.4 to 0.98.

Abstract: A luminaire including a plurality of light-emitting light sources is provided. The luminaire can be produced with little manufacturing out-lay and, consequently, economically, which is suited for street and path lighting and reduces the glare for an observer. The luminaire comprises at least one reflector profile extending in the longitudinal direction and comprising a plurality of apertures and at least one reflector surface provided on the front of the reflector profile, the light sources being arranged in the area of the apertures at the back of the reflector profile. A reflector profile for a luminaire is also provided.

Abstract: A retrofit LED lamp assembly for the replacement of light bulbs in optical lamps mounted elevated on support posts is described. The optical lamps have a lamp housing with a reflector secured therein and supporting a light bulb. A glass shade projects the light. The retrofit LED lamp assembly has a support member on which light emitting diodes (LED's) are electrically insulatingly supported to replace the light bulb. An adjustable connection assembly is provided to secure the support member to the reflector. The support member is configured to position the LED's at a predetermined angle and orientation relative to configured reflective surface segments of the reflector whereby to produce a desired oriented photometric light distribution pattern. A heat sink is securable in contact with the support member to dissipate heat. A clear tempered glass lens replaces the glass shade.

Abstract: The invention relates to an LGP and a back light module thereof, wherein the LGP comprises a light input surface, a bottom surface and a light output surface opposite to the bottom surface, and is characterized in that the bottom surface and/or the light output surface is provided with a plurality of microstructures, distribution rules for microstructures along the direction parallel to the light input surface of the LGP are: the microstructures in the middle of the LGP are closely arranged, and the microstructures on the two sides are sparsely arranged. In the LGP provided in the invention, the light output in the direction parallel to the light input surface can reach the brightness distribution with high middle and low edges, thereby achieving higher efficiency of light energy utilization.

Abstract: A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting.

Abstract: A shielded droplight may include a rotatable external shield having a cylindrical shape with an open top end. A semi-circular shaped directional reflector may be statically mated to the external shield and spaced inwardly from a circumference of the external shield. A stationary internal shield having a cylindrical shape may be dynamically mated to the external shield and spaced inwardly from a circumference of the directional reflector. A light emitting source may be housed within the internal shield. A light emitting source holder may be coupled to the external shield and extending downwardly therefrom. The external shield and directional reflector may contemporaneously rotate along a curvilinear path spaced about the circumference of the internal shield. The external shield may include a tab protruding outwardly from its circumference and a base. The apparatus may further include a hanging arm statically mated directly to the light emitting source holder.

Abstract: The invention provides an illumination system comprising a light-emitting device which excites a first luminescent element, which forms part of the light-emitting device. The light emitted from the first luminescent element and/or the light emitted by the light-emitting device excite a second luminescent element, physically separated from the light-emitting device. By employing two luminescent elements, the first element in the light-emitting device, and the second element physically separated from the light-emitting device, such as on a cover plate, the conversion of light produced by the light-emitting device is performed at both a “local” and a “remote” location, respectively, and the amount of luminescent material required at the remote location may be reduced compared to the situation of the prior art where the light conversion was only performed at a remote location.

Abstract: The present invention relates to a lamp holder with bayonet lock that provides interior illumination in kitchen equipment or similar devices, particularly in domestic ovens, and it is characterized in that it consists of (i) plastic or porcelain body (2) with screw ring housing (10) and terminal rivet hole (12) on its inner surface, and mounting recesses (13), mounting protrusions (13a) and positioning wedge (11) on its outer surface; (ii) mounting frame (3) with circular inner and outer diameter and located on the plastic or porcelain body (2), and having springy mounting pins (14) seated at an angle of 180° from each other on its inner side, springy mounting hooks (14a), locking pins (15) and locking springs (16); and (iii) glass enclosure (1) located on the mounting frame (3) shaped in almost semi-spherical form and equipped with a glass enclosure flange (7) on the bottom part, fixing slots (8) in pairs and locking track (9) below the glass enclosure flange (7).

Abstract: A decorative lighting strand for decorating a surface having a limb with a branch extending from the limb, where the strand has a length of wire connecting a plurality of decorative bulbs and midway the strand there is a hub which can be secured on the limb so that the strand can be extended from the hub along the branch from each side of the limb, and the invention includes multiple such strands electrically connected together each of which can be arranged in a horizontal plane of the surface. The invention also includes the method of decorating a surface with one or more such lighting strands which includes the steps of attaching the hub midway the length of the strand to the limb and extending the strand along one or more branches from each side of the hub.

Abstract: A clip light includes a light head including a light housing having a light window, and a LED light source supported in the light housing to align with the light window; a power source supported in the light housing; and a mounting arrangement which includes a clipping unit pivotally coupling with the light housing, wherein the light housing is selectively moved to adjust a light projecting orientation of the light source via the clipping unit when the clipping unit is coupled at the desired object.

Abstract: An edge-lit lighting product or luminaire includes a light guide made of a single, transparent material and demonstrates properties of total internal reflection with respect to a surrounding environment. The light guide has a thickness and includes a proximal edge, a distal edge and a boundary surface. The proximal edge receives light from a light source. The distal edge is spaced apart from the proximal edge, is configured to emit at least a portion of the light from the light source, spans across a first distance and has a substantially axial symmetric surface. The first distance is greater than the thickness of the light guide. The boundary surface extends between the proximal edge and the distal edge and defines a boundary between the single, transparent material of the light guide and the surrounding environment of the light guide. At least a portion of the boundary surface is curved.

Abstract: A headlamp is provided, which has lower power consumption, a longer service life and a more compact size and yet is capable of easily projecting visible light and near infrared light in desired light distribution patterns. The headlamp includes a wavelength converting member and an excitation light source. The wavelength converting member includes a visible light fluorescent material which is excited by excitation light emitted from the excitation light source to emit visible light, and a near infrared fluorescent material which is excited by the excitation light emitted from the excitation light source to emit near infrared light. The visible light and the excitation light are mixed together to generate white light. The excitation light source is a semiconductor solid-state element.