Abstract: A light emitting device includes a light source and a lens. The lens includes a light emitting surface, a top surface, four edge surfaces, and a bottom surface. The light emitting surface includes a central recess and two convex regions connecting the central recess at opposite sides. The light emitting surface is symmetrical about the central recess. The lens further defines a receiving space in the bottom surface and four positioning pins on the bottom surface. The receiving space includes a light incident surface. The two convex regions of the light emitting surface and the light incident surface are non-spherical surfaces. A maximum distance, dn, between the light source and the light incident surface is larger than a maximum distance, Dm, between the light incident surface and the light emitting surface. The light emitting device provides a wide-angle light distribution.

Abstract: An elongate multipartite lens arrangement for luminaires for influencing light emitted by an illuminant including a first elongate optical element having a first longitudinal axis and at least one second elongate optical element having a second longitudinal axis which is disposed downstream of the first optical element in the light guiding direction and is separate from the first optical element, wherein at least the first optical element has at least one defined light entrance region provided along the first longitudinal axis and serving for introducing light from the illuminant into the lens arrangement, and wherein the second optical element, for the light guiding of the lens arrangement, interacts optically with the first optical element in order to continue the light guiding of the first optical element. A luminaire, including a multiplicity of illuminants and an elongate multipartite lens arrangement is also disclosed.

Abstract: An optical device and a light source module including the same are provided. The optical device includes a first surface having an incident portion; a second surface emitting light incident through the incident portion outwardly; a support portion protruding from the first surface; and a blocking portion surrounding an outer portion of the support portion, the blocking portion being stepped with respect to the first surface.

Abstract: A shelf light (300) is provided as an LED linear light assembly (300) having a flexible LED linear light component (302), with a series of LEDs mounted on printed circuit boards (PCB's) (308). The light component (302) has a double channel (304) with an extended aluminum track. An LED PCB jacket (306) encloses the light component (302) and is of uniform thickness. Reflectance members (310) comprise a pair of members (312, 314), each having an elongated configuration and mounted on opposing sides of the light assembly (300). Movement of the reflectance members (312, 314) permits variation of apertures of reflectance, thus varying the light intensity and direction.

Abstract: The present invention provides a display substrate, a display panel and a display device. Said display substrate comprises multiple kinds of light-emitting units, each of which is made of an up-conversion material, and is used for emitting light with a corresponding color when a light irradiates on it. The display substrate above can reduce cost, display a wider color gamut and a higher color saturation, and can achieve higher light utilization efficiency, thereby can reduce power consumption, and furthermore, can reduce or avoid light leakage.

Abstract: A device that emits light in response to an electrical or optical excitation, such as LEDs, displays, e-readers, device includes at least one anisotropic flat colloidal semiconductor nanocrystal whose smallest dimension, namely the thickness, is smaller than the other two by a factor of at least 1.5, the emitted light having an intensity and a polarization that vary according to the angle formed by the light emitting direction and the normal to the largest surface of the flat nanocrystal. The device allows to realize a light-emitting device exhibiting simultaneously a high emission spectral finesse and allows proper control of the wavelength, the directivity and/or polarization of the emitted light, and thus increases the brightness and color gamut of displays composed of such a device. Such devices are found for example in displays, televisions, mobile phones, tablets, or computers. The various embodiments of these devices are also presented.

Abstract: Disclosed is a lighting device (1) including a lens (200, 300) comprising an annular collimating structure (100) having a central axis of symmetry (202), said structure comprising a light exit surface (105) and an intermediate region (120) in between an inner region (110) proximal to said axis and an outer region (130) distal to said axis, wherein one of the inner region and outer region consists of a single prism (112) extending from the light exit surface by a first height (h1) and the other of the inner region and outer region comprises a plurality of prisms (132) extending from the light exit surface by a maximum second height (h2), wherein the first height is at least the maximum second height and the intermediate region has an intermediate region surface (120?) separated from the light exit surface by a maximum further height (h3) that is smaller than the first height; and a plurality of solid state lighting elements (20) arranged in a circular pattern on a carrier surface (25) such that the solid state

Abstract: A lighting device for illuminating an operative field comprises, in an axial lighting dome, a first ring of LEDs at a first color temperature, and a second ring of LEDs at a second color temperature different from said first color temperature, and an annular facetted mirror having semi-reflective facets and arranged about the same axis as said rings of LEDs. Collimation optical systems are provided between each ring of LEDs and the annular facetted mirror having semi-reflective facets. The annular facetted mirror having semi-reflective facets mixes the collimated light beams emitted by the two rings of LEDs coupled to the collimators, and forms first and second collimated resulting mixed light beams having the same intermediate color temperature.

Abstract: A lighting system with extended arrays of LED light engines is disclosed. The extended arrays of LED light engines are coupled to bent, curved, contoured or angled support surfaces withing a housing structure, coupled to bent, curved, contoured or angled surfaces of the housing structure or a combination thereof. Preferably, the extended arrays of LED light engines emit both upward and downward lighting through diffuse surfaces of the housing structure. In some embodiments of the invention the positions and/or angles of light emitting surfaces of extended arrays of LED light engines are adjustable within the housing structure.

Abstract: A high power Tri-proof LED lamp, comprises a lower PC cover, an upper aluminum cover and two end caps. Each end cap includes an inner end cap and an outer end cap. Said upper aluminum cover and lower PC cover are secured with the inner end cap by four inner end cap screws. The outer end cap is secured with the inner end cap by outer end cap screws. The tri-proof LED lamp in accordance to present invention brings more possibilities for manufacture of lamp in any length for any specific application, and to have good heat radiation efficiency and a flexibility in power design, along with a long life cycle and the convenience in installation and maintenance. With implementation of the emergency power supply module, the lamp in accordance with present invention may be able to deal with emergency situation, i.e. to work for awhile when in the event of power failure.

Abstract: A LED light bulb simultaneously using as nightlight contains: a LED element, at least one LED filament, a base, a driving circuit, and a light guiding element. The base includes a hollow cavity for accommodating the driving circuit and LED element which electrically connects with the driving circuit, the base also includes an electrical fitting electrically connected with the driving circuit and a bulb holder. The light guiding element is made of photoconductive material and coupled with the base, and the light guiding element includes a light entering end corresponding to a light emitting end of the LED light to guide lights from the LED element. The at least one LED filament is electrically connected with the driving circuit and surrounds around the light guiding element, and the at least one LED filament is supported by the light guiding element to emit the lights.

Abstract: An LED light module assembly for a light fixture is disclosed. The LED light module assembly includes a light source having a printed circuit board containing an LED driver and LEDs. The printed circuit board is directly attached to a mounting board includes a thermally conductive and radiating material. An LED cover overlies the LEDs. Spring retainer clips hold a decorative trim ring in a spaced-apart relationship from the mounting plate, creating an air gap for cooling and keeping the trim ring cool. A light diffuser lens has hooked legs that twist lock to the mounting plate and diffuses the light from the LEDs.

Abstract: Described are various embodiments of a luminaire and output element coupling mechanism therefor. In one embodiment, a recessable luminaire comprises two or more luminaire modules, each one of which comprising a recessable housing having opposed side walls. The luminaire further comprises an output element securable along and between these side walls to at least partially define an output of the luminaire, and opposed inwardly biased output coupling structures extending at least partially along respective side walls and adapted to receive and resiliently secure corresponding edges of the output element therein.

Abstract: The invention relates to a magnetic suspension technology field, especially to a self-luminous suspension lamp, comprising a wireless charging device, a floater in which a light-emitting device and a magnet being configured, an electromagnetic coil configured below the floater, a suspension control system connected to the electromagnetic coil. The magnetic force generated by the electromagnetic coil keeps balance to the gravity of the whole floater so that the floater is suspended. A Hall sensor is configured below the floater, the displacement of the floater will cause the feedback of the Hall sensor. The suspension controller varies the output power according to the result of the feedback of the Hall sensor, to keep the floater in a stable status in real time. Hence, the invention provides a beauty and an effect of science for the domestic illumination, and provides an enjoyment for the life.

Abstract: An automated system for uniform growth of medical cannabis includes at least one light source that is controlled from a master controller, so that the cannabis plant receives a consistent, uniform amount of light. The positioning of the light source and the wattage of the light source are adjustable. The horizontal and vertical displacement of the light source are performed through elongated horizontal and vertical support members. The support members are displaced with actuators that engage the support members directly. A camber bracket at the junction between the horizontal and vertical support members supports the weight, such that the horizontal support member remains level for uniform emitting of light. The master controller is preprogramed to displace the light, set a timer, and adjust the wattage. The power source is efficient, so as to minimize power usage.

Abstract: A light assembly includes an arm with a frame, a hinge, and a magnet, wherein the hinge is in contact with the magnet and is movable along a groove within the frame, and a lighting control unit that includes a first plate, a power circuit board configured to receive power for the light assembly, a light blender configured to transform movement information into one or more control signals to control one or more lighting parameters associated with a light source of the light assembly, and a second plate with a first side, wherein the light blender is mounted on the first side, and the second plate is rotatable in relation to the first plate.

Abstract: The light fixture includes a frame configured to define a channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame.

Abstract: A flashlight for use with a pistol, the pistol having a trigger guard and a mounting rail. The flashlight includes an elongated housing having a clamping mechanism for mounting to the mounting rail, a light source at one end thereof, and paddle switches at an opposing end.

Abstract: A supplemental lighting system includes a charging circuit having a reference voltage for the charging circuit set through changes to reference resistances, and/or having an output voltage, current or power set through a connector configuration. In one example, a battery storage connector can be used to select a particular resistance for setting the reference voltage. Additionally, a supplemental lighting system may have a rechargeable battery coupled to a low-voltage part of the circuit, for example protected by an isolation circuit. Furthermore, a lithium ion or similar rechargeable battery supply can include a circuit for allowing it to be used with a circuit designed for a NiCad powered system or with a circuit designed for a lithium ion powered system.

Abstract: A lighting device includes an illumination part, and a power connection part adapted to transfer outside power to the illumination part and for preventing an electrical short circuit. The power connection part includes at least two power connectors which are separated from each other and into which the external power is transferred and an insulator provided between the at least two power connectors and coupled with the at least two power connectors.

Abstract: An electrical interface module (EIM) is provided between an LED illumination device and a light fixture. The EIM includes an arrangement of contacts that are adapted to be coupled to an LED illumination device and a second arrangement of contacts that are adapted to be coupled to the light fixture and may include a power converter. Additionally, an LED selection module may be included to selectively turn on or off LEDs. A communication port may be included to transmit information associated with the LED illumination device, such as identification, indication of lifetime, flux, etc. The lifetime of the LED illumination device may be measured and communicated, e.g., by an RF signal, IR signal, wired signal or by controlling the light output of the LED illumination device. An optic that is replaceably mounted to the LED illumination device may include, e.g., a flux sensor that is connected to the electrical interface.

Abstract: An LED tube lamp is provided herein, which implements the safety function for protecting the user from electric shock since it conducts only when both ends thereof have been correctly installed into a lamp socket. The LED tube lamp includes an installation detection module configured in the LED tube lamp to detect an installation state between the LED tube lamp and the lamp socket.

Abstract: A lamp and an operating method for a lamp with an LED element 22 are described. An electrical circuit with the LED element 22 is covered by a cover member 12. A separation device 28 is provided to mechanically severe the electrical conductor 16a, 16b arrange to supply electrical power to the LED element 22 if the detector element 24 detects a defect of the cover member 12.

Abstract: A light fixture located in a hazardous environment is described herein. The light fixture can include a housing having at least one wall that forms a cavity, where the housing meets applicable standards for the hazardous environment. The light fixture can also include a sensor assembly disposed within the cavity, where the sensor assembly includes a sensor power supply configured to generate power for an intrinsically safe sensor disposed outside the housing in the hazardous environment and a sensor control module configured to provide control for the intrinsically safe sensor. The light fixture can further include at least one light fixture component disposed within the housing.

Abstract: A linear light fixture is provided which includes a housing body onto which a bezel is attached. Semiconductor LEDs or other light emitting source that produce light when electrically powered are located behind a lens that is secured to the housing body by the bezel. One or more incandescent light bulbs that include an electric filament that produce light when electrified as well as one or more fluorescent bulbs that produce light based at least in part on the electrification and illumination of a plasma or gas can also be used as a source of illumination. For example, the linear light fixture can further include a driver housing that includes a driver housing cover to permit access to at least one driver and/or battery backup components located within the driver housing. There is also at least one window in the bezel which permits illumination of an area or object.

Abstract: A lighting apparatus includes a carrier, a first light-emitting element, and a cover body. The carrier has a top surface. The first light-emitting element is formed on the top surface. The cover body covers the carrier and exposes the first light-emitting element. The lighting apparatus has a luminous flux greater than 350 lumens.

Abstract: A phase-change heat dissipating device includes a heat absorbing body, a heat dissipation body and two tubes. The heat absorbing body is filled with a working fluid. The heat dissipation body has a first end and a second end that are adjacent to two sides of the heat absorbing body, respectively. The tubes connect the heat absorbing body and the heat dissipation body. When parts of the heat dissipation body is located higher than the heat absorbing body and the working fluid absorbs the heat energy generated from a heat source, the working fluid is evaporated from a liquid phase to a gas phase and flows into the heat dissipation body through the tubes. The working fluid locating in the heat dissipation body is condensed from the gas phase into the liquid phase and flows to the heat absorbing body through the tubes.

Abstract: A sound adapting luminaire produces an amount of cooling output that depends on the ambient sound. When the ambient sound is high, the lamp is cooled more aggressively, since more fan noise is acceptable.

Abstract: A light-emitting diode (“LED”) lighting module comprising a core having a cavity for enhancing the cooling capabilities of the LED lighting module. Wherein cooling via the cavity may be accomplished by active cooling, and/or passive cooling. The LED lighting module further boasts retrofitting capabilities applicable in retail, commercial and household units.

Abstract: One electrical lead from an LED package is soldered to an inner electrically conductive member positioned and electrically isolated from an outer electrically conductive member by electrically insulating material while a second electrical lead and a neutral lead from the LED are soldered to the outer electrically conductive member so that heat is transferred from an LED die within the LED package to the outer electrically conductive member and then to a thermally conductive outer casing with a thermal path that minimizes thermal resistance.

Abstract: An LED lighting device includes a base (1), an LED light-emitting unit (2) and a lamp shade (3), wherein the LED light-emitting unit (2) and the lamp shade (3) are arranged on the base (1); the lamp shade (3) is a solid component made of a thermally-conductive material; the lamp shade (3) covers the LED light-emitting unit (2); and the inner surface of the lamp shade (3) has a light distribution surface (31) and a thermally-conductive surface (32).

Abstract: A retrofit lighting system is provided comprising a power supply assembly configured to convert an AC input voltage into a DC output voltage and to adapt the DC output voltage to a substantially constant current level to be defined as a regulated current, at least one distribution wire in electrical communication with the power supply assembly and configured to conduct the regulated current, and at least one respective luminaire assembly spaced apart from and in electrical communication with the power supply assembly, and configured to receive the regulated current from the at least one distribution wire. The DC output voltage may be about 12 volts or less.

Abstract: An LED optical light engine spotlight which can accommodate a variable number of light-emitting diodes (LEDs) is disclosed. An optical projection lens mounted in front of the LEDs merges the separate LED beams into a single beam, similar to the single beam provided by a halogen light and reflector. A heat sink provides convection cooling up to approximately 100° F. An optional fan provides additional heat dissipation for more extreme conditions. The depicted device can include a vertical tilt of over 200°. Optimally, the depicted device is designed to have a full vertical tilt range between zenith (0 degrees) to horizontal (90 degrees) to full depression (135 degrees). An optional accessory lens provides additional capabilities, including flood lenses, colored lenses and rock guards, for example. The depicted device can be hard wired or wireless. The depicted device can be adapted to many base units and/or pan and tilt platforms.

Abstract: An optical module includes a transparent substrate and a refractive optical element mounted on the substrate. A conductive heating trace is deposited on the substrate around the refractive optical element. A temperature sensor senses a temperature of the substrate. Control circuitry is coupled to the temperature sensor so as to measure a difference between the temperature of the substrate and a target operating temperature of the module, and to drive a current through the conductive heating trace, responsively to the difference, so as to heat the substrate to the target operating temperature.

Abstract: A light emitting device includes a substrate with a circuit incorporated in the substrate, an interposer having a circuit connected to the circuit of the substrate, a light emitting element disposed on the interposer, a transmissive component disposed positioned to the light emitting element, and a frame body having an opening in which the transmissive component is disposed. The light emitting device further includes a ring-shaped body that encompasses the frame body on the substrate, and a sealant making the substrate and the ring-shaped body tightly contact one another. The frame body is disposed so as to encompass the light emitting element on the substrate. This provides the light emitting device with waterproof function.

Abstract: A foldable easel with a lighting system includes a foldable frame, a left light fixture, and a right light fixture. The foldable frame includes a rear central rail, a right front rail, a left front rail, a plate, and a cross brace assembly. Three rails are hingedly connected to each other with the plate and the cross brace assembly that is centrally positioned to the foldable frame. The plate and the cross brace assembly foldably secure the rear central rail, the left front rail, and the right front rail. The left and right light fixtures are detachably mounted to the foldable frame. The left and right light fixtures are powered through a power supply system and selectively controlled by a user to direct illumination towards a painting or portrait that is held within the foldable frame.

Abstract: An enhancing device for piercing plugs in a steam generator is provided. The enhancing device includes a main body, and a bit, borne by the main body and extending along a longitudinal axis. The bit may be driven into rotation around its longitudinal axis, in order to perform an action for piercing a plug. The device includes a hollow tubular element, extending along the longitudinal axis, while surrounding the bit and coaxially with this bit, the tubular element including an outer surface having a screwing thread, intended to be screwed onto the plug prior to the piercing. The tubular element may be driven into rotation around the longitudinal axis, independently of the rotation of the bit.

Abstract: A fluidized bed heat exchanger with a chamber (24) comprises a solid particles inlet port (22), a solid particles outlet port (30), arranged at a distance to the inlet port (22), means (46) for introducing a fluidizing gas from a bottom area into the chamber (24). The heat exchanger has furthermore several heat exchange tubes (28) being arranged at a distance to each other. The heat exchange tubes (28) are each arranged in a meandering fashion and a wall-like pattern and extend substantially parallel to the main flow direction of the solid particles on their way to and through the outlet port (30).

Abstract: Provided is a combustion burner including: a fuel nozzle (51) that is able to blow a fuel gas obtained by mixing pulverized coal with primary air; a secondary air nozzle (52) that is able to blow secondary air from the outside of the fuel nozzle (51); a flame stabilizer (54) that is provided at a front end portion of the fuel nozzle (51) so as to be near the axis center; and a rectification member (55) that is provided between the inner wall surface of the fuel nozzle (51) and the flame stabilizer (54), wherein an appropriate flow of a fuel gas obtained by mixing solid fuel with air may be realized.

Abstract: Provided is a combustion burner including: a fuel nozzle (51) that is able to blow a fuel gas obtained by mixing pulverized coal with primary air; a secondary air nozzle (52) that is able to blow secondary air from the outside of the fuel nozzle (51); a flame stabilizer (54) that is provided at a front end portion of the fuel nozzle (51) so as to be near the axis center; and a rectification member (55) that is provided between the inner wall surface of the fuel nozzle (51) and the flame stabilizer (54), wherein an appropriate flow of a fuel gas obtained by mixing solid fuel with air may be realized.

Abstract: A fire burner can have combustion ports through which fuel combusts. The combustion ports can be arranged in a curved pattern on the fire burner. As the fuel combusts on the fire burner, the fire burner can produce a pattern of combustion heat and combustion byproduct flow that causes the flame to appear to be spiraling, vortexing, and/or twirling with tornado-like characteristics.

Abstract: A burner resonance canceling apparatus adapted to cancel a resonance caused in a burner tube having a side wall, apertures disposed on the side wall, a first end configured for receiving a fuel mixture flow, a closed second end, a central axis extending through the first end and the second end, the apparatus includes a member having an enlarged end, a reduced end and a central axis extending through the enlarged end and the reduced end, wherein the enlarged end is configured to be positioned at the second end, the central axes are substantially coaxially disposed and the reduced end is configured to face the fuel mixture flow brought through the first end into the burner tube and the burner tube and the member cooperate to define a chamber the fuel mixture flow is configured to traverse from the reduced end to the enlarged end.

Abstract: Disclosed is a linearly-adjustable valve body, which comprises a valve seat and a valve core, wherein the inside of the valve seat is provided with a mounting hole for housing the valve core. One end of the valve core is inserted into the mounting hole and can rotate relative to the mounting hole. The two sides of the valve seat are also respectively provided with an air inlet hole and at least one air outlet hole, both the air inlet hole and the air outlet hole are communicated with the mounting hole. The inside of the valve core is provided with a channel communicated with the air inlet hole. The outer side wall of the valve core is provided with at least one first through hole set communicated with the channel or at least one recess having a gradient cross sectional area.

Abstract: Provided is a combustion burner including: a fuel nozzle (51) that is able to blow a fuel gas obtained by mixing pulverized coal with primary air; a secondary air nozzle (52) that is able to blow secondary air from the outside of the fuel nozzle (51); a flame stabilizer (54) that is provided at a front end portion of the fuel nozzle (51) so as to be near the axis center; and a rectification member (55) that is provided between the inner wall surface of the fuel nozzle (51) and the flame stabilizer (54), wherein an appropriate flow of a fuel gas obtained by mixing solid fuel with air may be realized.

Abstract: The present disclosure generally relates to the field of combustion technology related to gas turbines. For example, the present disclosure refers to a system and a method for operating a combustion device. Advantageously, required measurements may be effected fast enough to ensure an optimum control of parameter w, defined as a ratio between NOx water mass and fuel oil flows, the measurements being based not only on process variables but, most importantly, on NOx levels.

Abstract: A combustor basket assembly for a gas turbine engine that includes a combustor basket having a basket liner including an input end and an output end. An integrated exit cone and splash plate member is affixed to the output end of the basket liner and includes a base portion, an exit cone portion and a splash plate portion. The base portion includes an annular cooling channel that receives a cooling air flow and the exit cone portion and the splash plate portion each include an array of cooling feed holes in fluid communication with the cooling channel. The spacing between the feed holes and the size of the feed holes can be optimized to provide more cooling for hotter regions.

Abstract: An assembly comprising a structural component and a sacrificial layer, and method for producing the same. The structural component may comprise silicon carbide fibers within a silicon carbide matrix. The sacrificial layer may be joined to the structural component and may comprising unarranged ceramic fibers, wherein the sacrificial layer may comprise a volume fiber fraction lower than a volume fiber fraction of the structural component.

Abstract: A device for cooling a wall of a component of a gas turbine, where a flow passes parallel to the wall, having at least one inflow duct provided in the wall that issues into a recess of the wall for supplying cooling air, wherein a center axis of the inflow duct is aligned to an impact wall of double-convex design inside the recess.

Abstract: An assembly comprising a ceramic matrix composite component, a ceramic insert, and a ply and a method for producing the same. The ceramic matrix composite component may comprise silicon carbide fibers in a silicon carbide matrix. The ceramic inset may be adjacent to the ceramic matrix composite component. The ply may at least partially cover the ceramic insert such that the ceramic insert may be sandwiched between the ply and the ceramic matrix composite component, and the ply may extend beyond the ceramic insert in at least one direction so that the ply is joined to the ceramic matrix composite. The ply may comprise at least one layer of silicon carbide fibers or carbon fibers in a silicon carbide matrix.

Abstract: A combustor of a gas turbine engine includes a multiple of liner panels mounted to the support shell, at least one of the multiple of liner panels includes a first impingement cavity that operates at a first pressure and a second impingement cavity that operates at a second pressure different than the first pressure. A method of cooling a wall assembly within a combustor of a gas turbine engine includes directing air through a support shell and a liner panel that defines a first impingement cavity and a second impingement cavity. The first impingement cavity operates at a first pressure and the second impingement cavity operates at a second pressure that is different than the first pressure.