Abstract: An optical surface for softening a light/dark border of a lighting device for vehicles, having a grid of lens elements distributed over a base surface, by means of which a light bundle passing through the optical surface can be diffused in relation to a main direction, wherein the lens elements are each designed as micro-lens elements, which, on one hand, exhibit a central main admission surface, which follows a contour of the base surface, by means of which the light beams of the light bundle are deflected in a main direction corresponding to the contour of the base surface, and on the other hand, exhibit subsidiary admission surfaces, running at an angle to the central main admission surface, by means of which light beams of the light bundle are diffused in a diffusion direction in relation to the main direction.

Abstract: In a projector-type headlight in which a light-emitting face of an LED 1 is placed perpendicular to an optical axis so that light emitted by the LED 1 is projected ahead of a vehicle through a convex lens 2, the light-emitting face is placed upward from the optical axis of the headlight, and a lower edge side 1a of the light-emitting face is formed into a linear shape and is placed on the optical axis, and a reflection face 3a is placed in a plane formed by the optical axis and the linear-shape edge side 1a of the LED 1 to thereby combine direct light emitted by the LED 1 and reflection light reflected on the reflection face 3a, so that an intensity of light emitted in a direction normal to the light-emitting face from the edge side 1a is enhanced.

Abstract: A vehicle lamp 10 includes a projection lens 12 which is disposed on an optical axis which extends in a longitudinal direction of a vehicle, an LED 14 which emits light which is directed towards a rear focal point F of the projection lens, an LED 16 which emits light which is directed towards the rear focal point of the projection lens, and a shade 22 which can not only form a first light distribution pattern having a first cut-off line by cutting off part of light emitted from the LED 14 but also form a second light distribution pattern having a second cut-off line by cutting off part of light emitted from the LED 16. The shade 22 is disposed so that a front edge 22a thereof is positioned further rearwards than the rear focal point F.

Abstract: A vehicle lamp includes a 2D image forming device configured to form a brightness image using light emitted from a light source, an optical projection system configured to project the brightness image forward, and a light blocking member disposed on a path of light emitted from the light source through the 2D image forming device and onward toward the optical projection system, and configured to block at least a portion of the light.

Abstract: A lighting apparatus includes: a light guide which is tubular and includes a light entry portion in one end in a tube axis direction; and a light source arranged corresponding to the light entry portion. The light entry portion includes a light redirecting portion which changes a traveling direction of light entering from the first light source to a direction that is substantially parallel to the tube axis direction of the light guide. The light guide includes: plural light-emitting faces which are ring-shaped and formed concentrically in the other end in the tube axis direction of the light guide; and a non light-emitting face which is wall-like and formed along the tube axis direction of the light guide, at a border of adjacent ones of the light-emitting faces.

Abstract: The invention relates to a microlens arrangement (12) and an illumination device (10) for uniformly illuminating of an area (F), with a light source (11) and a microlens arrangement (12). In order to illuminate the area (F) to be illuminated as homogeneously as possible, the at least one microlens (1) of the microlens arrangement (12) has an entrance face (2) which is shaped such that monochromatic light incident on the microlens (1) and propagating parallel to the optical axis (O) is refracted by the entrance face (2) such that back focal lengths (S1, S2, S3) of the light with the optical axis (O) increase with the height of incidence (E1, E2, E3).

Abstract: A lighting device comprising at least four optical devices. Each optical device has an associated light source and comprises a first surface with a plurality of micro sized facets. Each facet has a respective orientation and said plurality of facets has an optical axis which extends parallel to the normal vector to an average orientation of all said respective orientations. The optical devices are divided over at least two sets of optical devices which are designed to mutually issue a different pattern during operation as the optical devices of different sets are arranged in a mutually alternating manner.

Abstract: An optical lens includes, in a cross-sectional view, a bottom surface including: a lower flat portion, and a first groove recessed upwardly from the lower flat portion toward a top surface of the optical lens; the top surface including: a protruding upper spherical portion, and a second groove recessed downwardly from the upper spherical portion toward the bottom surface and at a location corresponding to the first groove; and a lateral surface including: a lateral flat portion and lateral curved portions, each of the lateral and curved portions connecting the lower flat portion of the bottom surface and the upper spherical portion of the top surface, to each other.

Abstract: The present invention relates to a direct type backlight module structure, which comprises a light casing having a first height, and the light casing comprises a base plate; a reflection device disposed on the base plate, and the reflection device comprises a plurality of curved structural units, and each of the curved structural units is bent to form a second height and an intermediate base, and each of the curved structural units is configured at a predetermined spacing therebetween to be disposed on the base plate; and a plurality of light sources disposed on the reflection device, and each of the light sources is configured at the predetermined spacing therebetween; in which each of the light sources is disposed on the intermediate base of each of the curved structural units of the reflection device.

Abstract: The invention relates to a lighting device (1) comprising a housing (8) with a light source connector for a LED (11) and a reflective collimator (3) and a refractive collimator (9) as well as to a method for their manufacture. The reflective collimator (3) comprises a plurality of reflective segments (4, 4?, 5, 5?, 6, 6?, 7, 7?), which are spaced apart from each other by means of air slits suitable for dissipation of heated air. The segments (4, 4?, 5, 5?, 6, 6?, 7, 7?) are adapted to reflect laterally emitted light generated by the light source (11) towards a direction which is substantially parallel to said main direction. Lighting devices according to this invention may have a compact design and an improved dissipation of the heat generated by the LEDs.

Abstract: An obstruction light is disclosed herein. The obstruction light can include a reflector having a first parabolic portion and a second parabolic portion. The obstruction light can also include a light assembly having at least one array of light sources disposed adjacent to the reflector between the first parabolic portion and the second parabolic portion.

Abstract: A wavelength conversion member, a backlight assembly, and a display device including the same are provided. In one aspect, there is provided a wavelength conversion member comprising a first substrate, a second substrate, a wavelength conversion layer, and a spacer. The second substrate is positioned on the first substrate. The wavelength conversion layer is interposed between the first substrate and the second substrate. The spacer is interposed between the first substrate and the second substrate to constantly keep a distance between the first substrate and the second substrate.

Abstract: A wavelength conversion member is disclosed. In one aspect, the wavelength conversion member includes a first substrate, a second substrate formed over the first substrate, and a wavelength conversion layer interposed between the first and second substrates. A sealant is interposed between the first and second substrates and surrounds the wavelength conversion layer.

Abstract: The present invention relates to an article having at least one colored luminous region, in particular a display, said article comprising at least one glass-ceramic substrate having a luminous transmission ranging from 0.8% to 40% and an optical transmission of at least 0.1% for at least one wavelength in the range extending from 420 to 780 nm, at least one light source and at least one inkjet filter of thickness comprised between 1 and 50 ?m, so as to form at least one colored luminous region, in particular a display, in at least one region of the glass-ceramic substrate.

Abstract: A near-field lens is provided. The lens includes a lens body positioned about an optical axis. The lens body includes an input surface for receiving light from a light source and defined by a focusing surface and a convex hyperbolic surface. The lens body also includes an output surface through which light exits the lens body and a lateral surface extending between the convex hyperbolic surface and the output surface. The focusing surface is configured to collimate light along the optical axis towards the output surface and the convex hyperbolic surface is configured to substantially collimate light towards the lateral surface to be internally reflected towards the output surface.

Abstract: An illumination apparatus includes a wavelength conversion element to convert light emitted from a light source into converted light and to emit the converted light and unconverted light, a first optical element including a first region guiding the light emitted from the light source to the wavelength conversion element and a second region preventing the unconverted light from traveling to the light source, and a second optical element to guide the converted light in a direction different from a direction of the light source while guiding the light emitted from the light source to the wavelength conversion element. The second optical element is disposed in an optical path between the first optical element and the wavelength conversion element. The light emitted from the light source is incident on the first region, and the unconverted light is incident on both the first region and second region of the first optical element.

Abstract: Provided are an illuminating member capable of enabling the conversion of a color temperature and a light device using the illuminating member, the illuminating member including: a light emitting member outputting conversion beams having different color temperatures according to each thickness of regions through which an excited beam incident to a first opening passes; and a driving part for changing a thickness of the light emitting member through which the excited beam passes according to a color temperature to be controlled by changing a position or situation of the light emitting member.

Abstract: An underwater dock light having an adjustable anchoring system having a capturing assembly with an upper capturing housing located opposite a lower capturing housing. The upper capturing housing can have at least one cord opening configured to receive a cord. The upper capturing housing can have a cord capturing structure. The cord is configured to contact a portion of the cord capturing structure. A fastener is configured to connect the upper capturing housing to the lower capturing housing. The cord is captured between the cord capturing structure of the upper capturing housing and a surface of the lower capturing housing. An anchoring weight is configured to connect to the capturing assembly. The anchoring weight has an opening. The upper capturing housing and lower capturing housing are configured to retain the anchoring weight.

Abstract: A light fixture having a light source, first and second heat sinks with corresponding first and second thermal interfaces having complementary curved surfaces, and a linkage having cams, and springs to create contact pressure between the thermal interfaces when the light fixture is in an operation mode and to permit movement between the thermal interfaces when the light fixture is in an adjustment mode. When the light fixture is in operation mode, the first and second heat sinks work in combination to provide a highly effective heat dissipation system. When the light fixture is in adjustment mode, the separation created permits the light source to move along an adjustment path to change the angular direction of the light emitted and to rotate about a rotational axis, providing a full range of directional lighting orientations.

Abstract: A sheet fixing member including: a body extended substantially parallel with the sidewall; a horizontal protrusion protruded from a side of the body configured to be inserted into the horizontal supporting recess; a vertical leg disposed at each side of a lower surface of the body to extend in a downward direction, the vertical legs and the body forming a sheet receiving space therebetween; and a sheet fixing protrusion protruded from a center of the lower surface of the body in the downward direction, the sheet fixing protrusion configured to be passed through the optical sheet disposed in the sheet receiving space and to be inserted into the fixing hole, wherein the sheet fixing member is configured to be combined with a mold frame to affix an optical sheet.

Abstract: The present invention relates to different embodiments of lighting fixtures, such as troffers. A lens can be placed between a light engine and a reflector and secured in place by crimping portions of the light engine, reflector, or both to prevent the lens from moving. Troffers according to the present invention can lack a dedicated heat sink, instead sufficiently dissipating heat through the light engine. This can significantly reduce the weight of the troffer. Emitter panels can be directly mounted on a light engine inner surface, or on an internal reflector within the light engine.

Abstract: A light fixture is provided. The light fixture contains a light engine module having a printed circuit board with a plurality of light sources and a lens module having a plurality of lens elements for the plurality of light sources, a housing for the light engine module, and a latch engaged with the housing, the latch locking and unlocking the lens light engine module with the housing.

Abstract: The invention is a connector for connecting, fitting to size, and locking a flexible light emitting tube into a loop having a generally circular or U shape so that it can be used, for example as a wrist or ankle bracelet, necklace, or other wearable accessory such as a belt or shoelace or that can be wrapped around a post or other object. In another aspect the invention is a luminous identification device comprised of a connector and flexible light emitting tube bent into a loop whose circumference can be adjusted.

Abstract: A light emitting diode lamp tube includes a tubular body, a light source module and two latch cover. The tubular body includes two openings formed on two opposite ends of the tubular body respectively and two first joining portions disposed near the openings respectively. The light source module is inserted into the tubular body and includes a control circuit board, at least one terminal member and a plurality of light emitting diodes, wherein the light emitting diodes are coupled to the control circuit board, and the terminal member is coupled to one end of the control circuit board. The latch covers covering the opposite ends respectively, wherein each of the latch covers comprises a second joining portion joined to the first joining portion, at least one second positioning portion joined to the first positioning portion and two conductive pins electrically connected to the terminal member.

Abstract: A frame and a light source module having the same are provided. According to embodiments, there is provided a frame comprising a plurality of bodies spaced apart from one another in one direction and connected to one another by a supporter. The plurality of bodies comprises a light emission window formed at an upper part of a body, a light incidence window formed at a bottom part of the body, and a mounting portion formed between the light emission window and the light incidence window, and including a groove that is formed on an inner wall of the body and is recessed horizontally into the body from the light incidence window.

Abstract: A backlight unit includes a lower container including a bottom surface which is flat, an optical member accommodated in the lower container, having a concave curve along one direction of the bottom surface and protruding toward a center portion of the bottom surface, a plurality of supporters which contacts the bottom surface and projects toward the optical member to support the optical member, and a plurality of light sources disposed on the bottom surface and arranged between the optical member and the bottom surface, where a density of the plurality of light sources increases along the one direction towards the center portion of the bottom surface.

Abstract: A recessed lighting optical holder for a recessed lighting fixture, comprises a retainer 100 having a generally annular shape, including a resilient snap projection 105 formed on an inner circumference and resilient beam 130 supported at both ends on an outer circumference. The beam slides into engagement with a heat sink extension 122 on a bottom portion of a circular heat sink 110, when a top surface of the retainer is positioned against a bottom portion of the heat sink and the retainer is rotated with respect to the heat sink, to lock the retainer to the heat sink. An optic 120 has a generally conical shape, with a bottom portion surrounded by circular lip 125 that snaps into holding engagement with the snap of the retainer, to positively retain the optic. The holder is relatively simple to manufacture and is conveniently accessible for installation and occasional maintenance or replacement.

Abstract: The invention provides a modular LED array grid (100) comprising a plurality of LED array grid modules (50), each LED array grid module (50) comprising one or more arrays (151) of adjacent electrically conductive wires (51) with one or more LEDs (10) electrically coupled to two adjacent electrically conductive wires (51), wherein two adjacent electrically conductive wires (51) of at least one of the one or more arrays (151) have a first distance (d1) at the one or more LEDs (10), and have one or more folds (52) which provide a second distance (d2) between the two adjacent electrically conductive wires (51) which is larger than the first distance (d1), wherein two or more of said array grid modules (50) are coupled to each other with one or more coupling parts (60) between one or more folds (52) of a first array (151(1)) and the conductive wire (51) of an adjacent second array (151(2)). This grid (100) may be obtainable by the method of the invention.

Abstract: A light emitting device with a heat sink composed of two materials is provided. The device comprises: a light emitting material; and, a heat sink comprising: a first material configured to cool the light emitting material, the first material comprising a first coefficient of thermal expansion (CTE); and, a second material bonded to the first material at an interface there between, the second material comprising a second CTE lower than the first CTE, the light emitting material bonded to the first material but not the second material.

Abstract: A LED lighting fixture includes a control circuit board, a plurality of lighting modules and a light reflective shield. Each one of the lighting modules includes a transparent substrate disposed of a plurality of LED chips; each one of the transparent substrates is electrically connected to the control circuit board, and the LED chips are electrically connected to the control circuit board via the transparent substrate. One side of each one of the transparent substrates is arranged adjacent to each other such that the transparent substrates are disposed in a radial pattern. The light reflective shield is for accommodating the control circuit board therein and surrounding the lighting modules. Therefore, the LED lighting fixture of the present invention is able to generate a uniformly distributed illumination while reducing the heat generated by the LED chips.

Abstract: There is provided an LED lighting having a modularized heat dissipating structure capable of effectively dissipating heat generated by an LED device upon turning on the light. The LED lighting comprises: a heat pipe module including a heat pipe and a heat pipe holder installed on the top of an LED module; a lower case positioned below the heat pipe module and the LED module, to receive the heat pipe module and the LED module; and an upper case connected with the lower case, to define an inner space to receive the heat pipe module and the LED module, wherein molding is inserted between the upper case and the lower case to be connected with each other. Preferably, the heat pipe module comprises: the heat pipe holder installed on the top of the LED module; and the heat pipe attached around the heat pipe holder.

Abstract: A device and kit for cooling a light emitting material are provided. The device comprises: a light emitting material; a cooling plate configured to cool the light emitting material; a window, the light emitting material sandwiched between the window and the cooling plate, the window configured to: transmit excitation light for exciting the light emitting material; transmit emitted light from the light emitting material; and, conduct heat away from the light emitting material to the cooling plate. The kit comprises the window and a holder there for.

Abstract: A recessed light fixture can include a movably adjustable light source and a thermal management system that includes a movable first heat sink, and a second heat sink. The first heat sink is thermally coupled to the adjustable light source, and is connected to move with the adjustable light source. The first heat sink includes a plurality of spaced apart first thermally conductive elements, such as fins. The second heat sink includes a plurality of spaced apart second thermally conductive elements, such as fins, which are interlaced between the first thermally conductive elements of the first heat sink. The interlaced thermally conductive elements increase surface area and heat transfer pathway(s) between the two heat sinks, while reducing physical contact, and thus friction, therebetween when movably adjusting the light source.

Abstract: A heat exchanger tube vibration suppression device and a steam generator are provided. The heat exchanger tube vibration suppression device includes: a plurality of sleeves disposed in a heat exchanger tube with a predetermined gap in relation to an inner surface of the heat exchanger tube so as to extend in a longitudinal direction of the heat exchanger tube; and a connecting member that connects the plurality of sleeves so as to be movable between a contracted position at which adjacent sleeves overlap at least partially and an extended position at which the amount of overlap of the adjacent sleeves is minimized. In this way, it is possible to suppress the vibration of the heat exchanger tube appropriately.

Abstract: Technologies are presented for selecting an electrode gain value for applying electricity to control a combustion reaction. For example, a system can include one or more electrodes, an electrode gain selector configured to select an operative electrode gain value for the one or more electrodes, and a power supply operatively coupled to the one or more electrodes. The power supply can be configured to apply the electricity to the combustion reaction via the one or more electrodes at the operative electrode gain value.

Abstract: A portable exothermic welding ignition controller includes a housing configured to receive a portion of a portable power tool battery. A circuit board is positioned within the housing and configured for electrical coupling to the portable power tool battery. An actuator is operatively engageable with the circuit board for selectively discharging power from the portable power tool battery to a connection terminal electrically coupled to the circuit board.

Abstract: A system and method for reducing modal coupling of combustion dynamics among multiple combustors are provided. Each combustor may include one or more fuel nozzles axially aligned with a combustion chamber; one or more fuel injectors downstream from the fuel nozzles; and a set of flow openings integrated with the combustor. The fuel injectors provide fluid communication through a liner that circumferentially surrounds each combustion chamber. The flow rate of compressed working fluid diverted through the fuel injectors may be different and/or variable between the combustors to produce different combustion instability frequencies.

Abstract: A gas turbine includes one or more combustors, and each combustor may include one or more fuel nozzles for mixing fuel with a compressed working fluid prior to combustion. The gas turbine further includes various structures for reducing the modal coupling of the combustion dynamics by producing a different convective time, fuel flow, and/or compressed working fluid flow through at least one fuel nozzle.

Abstract: A system and method for reducing modal coupling of combustion dynamics generally include multiple combustors, and each combustor includes multiple fuel nozzle groups for mixing fuel with a compressed working fluid prior to combustion. A fuel circuit is in fluid communication with each fuel nozzle, and orifice plates in the fuel circuit upstream from the fuel nozzles control the fuel split between the fuel nozzles in each combustor and/or between different combustors to produce a frequency difference between combustors.

Abstract: A combustor assembly includes a first wall, a second wall, a bulkhead and a plurality of fuel injectors. The bulkhead forms a combustion chamber with the first and the second walls. The fuel injectors are configured with the first wall in a unique and/or a fluctuating pattern.

Abstract: The invention provides a shield for spaced placement away from and over a fireplace glass plate. During operation of the fireplace, the fireplace glass plate becomes dangerously hot. As the glass plate heats, a pressure gradient is gradually established. Through this mechanism, cooler ambient room air is passively drawn into, through and out of, the spacing between the fireplace glass plate and the shield. The shield remains at a safe temperature to the touch and the ambient temperature of the room is increased. The present invention thus reduces contact burn injuries as well as providing an additional passive heat circulation engine.

Abstract: A gas burner assembly for an appliance is provided. The gas burner has a gas stability chamber for providing a re-ignition source to primary burner ports positioned around the burner. A burner cap is provided with an annular groove for properly positioning the cap onto the burner.

Abstract: Disclosed herein is a combustion apparatus. The combustion apparatus (10) includes a fuel reservoir (20) storing fuel therein, and a main body (50) connected to the fuel reservoir by a flexible tube (40). The main body receives fuel from the fuel reservoir and combusts the fuel therein. The main body is partitioned into an upper space (52) and a lower space (53) by a partition plate (51). The main body includes a combustor (100) that is provided in the upper space and combusts fuel supplied from the fuel reservoir, a blower (200) that is provided in the lower space to supply air to the combustor, and a heating unit (300) that is removably coupled to the combustor and completely combusts air incompletely combusted in the combustor. The combustion apparatus completely combusts liquefied animal and vegetable oil, thus reducing a tar generation rate.

Abstract: An air conditioning system includes a heat pump unit including a radiator usable with a refrigerant, a gas furnace unit including a heating section arranged to heat passing air, a blower arranged to generate an air flow that passes through the radiator and the heating section, a first temperature sensor provided in a room, and a controller configured to control each action of the heat pump unit, the gas furnace unit, and the blower. The temperature sensor detects an indoor temperature in the room. The controller causes the gas furnace unit to operate as a heat source unit when a difference value obtained by subtracting the indoor temperature from a set temperature is equal to or greater than a first threshold at startup, and causes the heat pump unit to operate as a heat source unit when the difference value is less than the first threshold at startup.

Abstract: An air conditioning system includes a heat pump unit including a radiator usable with a refrigerant, a gas furnace unit including a heating section arranged to heat passing air, a blower arranged to generate an air flow that passes through the radiator and the heating section, and a controller configured to control each action of the heat pump unit, the gas furnace unit, and the blower. The controller operates either the heat pump unit or the gas furnace unit as a heat source unit, generates a capacity command used to variably adjust operating capacity of the heat source unit, and executes switch control in order to switch the heat source unit from either one of the heat pump unit or the gas furnace unit to the other when an operating capacity level designated in the capacity command is within a predetermined numerical range for a predetermined time.

Abstract: A fenestration assembly comprising a sliding glass assembly that slides between a fully closed position and a fully open position in which the sliding glass assembly is received into a pocket of the fenestration assembly. The pocket is covered on at least one side with insulation. The fenestration assembly may have two sliding glass assemblies. The fenestration assembly may be used in an energy efficient building system.

Abstract: A dehumidification configuration includes a dehumidification area as an area for removing moisture contained in air, and a reproduction area as an area for separating the moisture having been removed in the dehumidification area, inside a casing. The dehumidification configuration further includes, inside the casing, a non-dehumidification area as an area in which there is placed a main part of a cooling unit for cooling a heat generating member which is a to-be-cooled part placed in the dehumidification area. The dehumidification area has a configuration sealed from the reproduction area and the non-dehumidification area.

Abstract: A humidifier that suppresses formation of a slime, a scale, and a dew bridge in a lower portion of a humidifying member thereby preventing degradation in humidifying performance. The humidifier includes one or more porous metal bodies serving as the humidifying member and including therein a plurality of voids, a fan that blows air to the porous metal body, a water-supplying device (a supply pipe, a reservoir, and a nozzle) that supplies water to the porous metal body, and the porous metal body includes a tip portion formed in a lower end portion, in a protruding shape or a pointed shape.

Abstract: A rotor ventilator comprising a ventilator stator for mounting to a structure and a ventilator rotor for mounting and rotation with respect to the ventilator stator is disclosed. The ventilator further comprises a cover for positioning over the ventilator rotor and mounting to the ventilator stator, The cover comprises a central portion surrounded by an outer substantially concave portion. The outer concave portion of the cover may protect the ventilator from environmental conditions/elements, such as by redirecting particles, water droplets, debris and dust, etc away from the interior of the ventilator. The outer concave portion may act as a trough, from which the particles can then be directed off the cover. The trough may also act to prevent the particles from escaping over the sides of the cover, and into the ventilator.

Abstract: Provided is an air conditioning apparatus, including a unit main body in which a heat exchanger and at least one blower fan are provided. The heat exchanger is arranged on an upstream side of the blower fan. The blower fan includes an impeller, a motor, and a fan casing. The impeller is a turbofan that sucks air from an upper portion thereof and blows out the air radially outward. A rotation axis of the impeller is directed to a unit height direction. The fan casing has a fan air inlet formed in an upper surface thereof, and has a fan air outlet formed in a lower surface thereof. An impeller air outlet of the impeller is covered by side surfaces of the fan casing.