Abstract: A four-wire light string includes a first interface, a second interface, a plurality of LED lights connected between the first and second interfaces, a first conductive wire and a second conductive wire that are directly connected to the first and second interfaces, a plurality of third conductive wires each connected to a positive pole of the LED light, and a plurality of fourth conductive wires each connected to a negative pole of the LED light. Each four-wire light string constitutes a basic unit. When no additional basic unit is adopted, a current does not flow through the first conductive wire and the second conductive wire, but is directly connected to positive and negative poles of a power supply. Each basic unit has a small heating loss on the conductive wire, and adding more basic units will not cause a voltage drop, so that the light strings have basically the same brightness.

Abstract: Techniques for smart light and lighting drywall are provided. A system and/or method can comprise a smart light comprising at least one light bulb; and a lighting drywall comprising: a power source; a mesh configured to provide power from the power source using a wireless power transfer mechanism; wherein the smart light is removably attachable to a plurality of locations on the lighting drywall and configured to receive the power using the wireless power transfer mechanism at respective locations of the plurality of locations.

Abstract: A sealing structure of light strip includes a light strip glue dispensing plate covered with pouring glue for packaging, and two glue blocking structures respectively arranged on two sides of the pouring glue in an extending direction on the light strip glue dispensing plate. The edge overflow of the pouring glue during glue dispensing can be prevented.

Abstract: A light source cooling body (100), a light source assembly, a luminaire and a method to manufacture a light source cooling body or a light source assembly are provided. The light source cooling body comprises a homogeneous body (104) made of a thermally conductive material. The homogenous body comprises an open space that comprises a wick structure, a condenser (112) and an evaporator (116). Near the evaporator the light source cooling body has an interface area (102) to thermally couple with a light source and to receive heat from the light source. The condenser is arranged away from the interface area. A portion 114 of the open space is tubular shaped. The open space may hold a cooling liquid partially in the gaseous phase and partially in the liquid phase and the wick structure is configured to transport the cooling material in the liquid phase towards the evaporator.

Abstract: A multi-operational landscape lighting device is provided. An example multi-operational landscape lighting device includes a lighting device housing, a lighting device installation arm mechanically coupled to the lighting device housing, and a plurality of landscape lighting LED packages. The landscape lighting LED packages are configured to emit one or more of decorative lighting or pathway lighting.

Abstract: A light emitting device includes a plurality of light sources, a substrate, a partitioning member, a diffuser sheet, a plurality of first reflectors, and a second reflector. Each of the light sources includes a light emitting element and an encapsulant covering the light emitting element. The light sources are disposed on the substrate. The partitioning member surrounds the light sources and has a plurality of areas formed by walls having top parts. The walls include surfaces inclined with respect to an upper surface of the substrate to spread out from bottom parts toward the top parts. The diffuser sheet is provided over the partitioning member. The first reflectors are provided directly over the light sources, on an upper surface or a lower surface of the diffuser sheet. The second reflector is provided directly over the top parts, on the upper surface or the lower surface of the diffuser sheet.

Abstract: Apparatuses and methods for accessing luminaire mounting and/or electrical connection compartments and components are disclosed. Embodiments include a front reflective door pivotally attached to a luminaire housing with a closed position covering an opening to the mounting access compartment and an open position allowing easy user access to the mounting feature(s) in the mounting access compartment. In some embodiments the door forms an exterior surface of the lighting fixture, while in additional embodiments the luminaire's light source is mounted on the luminaire housing and not on the door. In still further embodiments the light source is located externally to the mounting access compartment so that the light source is outside the door when the door is closed. In yet further embodiments the free end of the door is adjacent the light source while the pivoting end of the door is located away from the light source.

Abstract: A light guide plate includes a main body, stripe structures, and light-adjusting structures. The main body includes a light-incident surface and an optical surface. The stripe structures are disposed on the optical surface. The light-adjusting structures are disposed between two adjacent stripe structures. Each of the light-adjusting structures includes a first light active surface and a second light active surface. The first light active surface faces towards the light-incident surface. The second light active surface faces towards an opposite light-incident surface. The first light active surface and the second light active surface are inclined towards different directions and formed a non-symmetrical shape. A first included angle is formed between the first light active surface and the optical surface. A second included angle is formed between the second light active surface and the optical surface. The first included angle and the second included angle are acute angles.

Abstract: A bendable lamp that includes an open topped base with an upwardly projecting LED lighting source. A translucent accordion bellows sleeve is attached at one end to the open topped base. The sleeve can be vertically extended or retracted by the user. The nature of the pleats of the accordion sleeve allow the resulting structure to remain in the position that the user pulled, compressed or bent it to. The sleeve can be bent to an inverted J or inverted U shape, and its height can be adjusted. A weight in the lamp's base keeps the lamp from falling over. The LED lights can be programmed by a microprocessor.

Abstract: A no wrap strap for a string of decorative lights including a plurality of apertures within a main body and a plurality of pairs of hanging hooks extending from the main body, with each pair of hanging hooks being disposed near a corresponding aperture. The no wrap strap further includes a securing element integrally attached to and extending from one end of the main body, the securing element including a plurality of securing balls arranged along a securing string.

Abstract: A voltage detector includes a cylindrical hollow body housing including an open end and a tool end. An internal circuit assembly includes a voltage sensing loop, a flashlight, and a microprocessor. The internal circuit assembly is disposed inside the cylindrical hollow body housing. The voltage sensing loop is configured to detect voltage without contacting a detected voltage, and the microprocessor is configured to control power to the flashlight via a flashlight power button independently from power to the voltage sensing loop via a voltage detector button.

Abstract: Provided is a linear light source including: a light-transmissive base having a first main surface that has a rectangular shape with long sides and short sides, a second main surface located opposite to the first main surface, a first (long) side surface, and a second (short) side surface; a plurality of light emitting devices, each including a light emitting element, a light-transmissive member and a sealing member. An upper surface of each of the light emitting devices includes an upper surface of the light-transmissive member. A first bonding member bonds the first main surface of the light-transmissive base and the upper surfaces of the light emitting devices. A width of the light-transmissive base is the same as a width of the light emitting devices in a first direction orthogonal to a first side surface of the light-transmissive base.

Abstract: A lighting device that protects a member related to light emission from heat associated with light emission includes a light source, a first optical member configured to transmit light emitted by the light source, a second optical member, arranged between the light source and the first optical member, configured to transmit light emitted by the light source, and an air-sending mechanism configured to send air suctioned from a first space that is an inner space on a side nearer to the light source than the second optical member and includes the light source to a second space that is a space between the first optical member and the second optical member.

Abstract: An LED lamp includes an LED module, a top housing, and a light transmitting cover attached to the top housing and arranged at a forward side of the top housing. The LED lamp also includes a base housing coupled to the top housing. The LED lamp includes a driving module coupled to the top housing via a central hole of the base housing. The driving module includes a driving box and a communication board, the communication board has a first part located inside the driving box and a second part protruding from the driving box and extending through the top housing and the LED module toward the light transmitting cover.

Abstract: A stand light includes a telescoping body having a main center shaft, an extension pole extendable out of the main center shaft, and a sleeve movably supported on the main center shaft. A head assembly is supported by the extension pole and includes a light source. A plurality of legs is pivotally coupled to the body and is movable with the sleeve from a collapsed position to an extended position, in which distal ends of the plurality of legs are moved away from the body. When the plurality of legs is in the collapsed position, side portions of the plurality of legs come together to form a handle configured to be grasped by a user.

Abstract: The disclosure provides a LED device, a backlight module and a display device. The LED device includes: a bracket structure and a chip, the bracket structure having a cup cavity and the chip being mounted in the cup cavity; a packaging structure, the packaging structure being provided on the bracket structure in a covering manner to seal the cup cavity and an upper surface, far away from the cup cavity, of the packaging structure forming an emergent surface; and a reflective shielding layer, the reflective shielding layer being provided on the packaging structure and the reflective shielding layer being at a central position of the emergent surface and covering part of the emergent surface. According to the disclosure, the problem in the related art that it is impossible to consider both a good color saturation and brightness contrast of a display of a display device is solved.

Abstract: Described is a light fixture system having a fixture housing with a base and sidewall that form a housing interior, and a continuous fire barrier element disposed within the housing interior. The continuous fire barrier element may include a central body and at least one flap extending from the central body. The at least one flap may be movable relative to the central body.

Abstract: A lighting apparatus includes a frame, a first member rotatably connected to the frame for rotation about a first axis, and a second member rotatably connected to the frame for rotation about the first axis independently of the first member. A first light assembly has a first structure and a first plurality of lights rigidly mounted to the first structure. A second light assembly has a second structure and a second plurality of lights rigidly mounted to the second structure; The first light assembly is rotatably connected to the first member for rotation about a second axis and the second light assembly is rotatably connected to the second member for rotation about a third axis.

Abstract: A light assembly comprising: (a) one or more light sources; and (b) one or more reflectors comprising: (i) a first reflector facet that forms a first reflected light by redirecting light from the one or more light sources in a first direction and (ii) a second reflector facet that forms a second directed light by redirecting light from the one or more light sources in a second direction; and wherein the first directed light and the second directed light are configured to extend away from a vehicle housing the light assembly to form a light pattern that demonstrates a location the light assembly is aimed relative to the vehicle.

Abstract: An optical device includes: a first reflective surface disposed to reflect, to a substantially arc-shaped first region around a first axis, at least a portion of first light incident along the first axis and having a light distribution characteristic with an optical axis parallel to the first axis, the first reflective surface including a plurality of reflective arc surfaces separated in a direction along the first axis; a second reflective surface and a third reflective surface intersecting each other on the first axis and disposed such that the first reflective surface is located between the second reflective surface and the third reflective surface; and a light-transmissive emission surface adapted to refract at least a portion of light reflected by the plurality of reflective arc surfaces to emit the light around the first axis, the emission surface having periodic irregularities in a cross section in the direction along the first axis.