Abstract: A light-emitting diode (LED) lamp for producing a biologically-corrected light. In one embodiment, the LED lamp includes a color filter, which modifies the light produced by the lamp's LED chips, to increase spectral opponency and minimize melatonin suppression. In doing so, the lamp minimizes the biological effects that the lamp may have on a user. The LED lamp is appropriately designed to produce such biologically-correct light, while still maintaining a commercially acceptable color temperature and commercially acceptable color rending properties. Methods of manufacturing such a lamp are provided, as well as equivalent lamps and equivalent methods of manufacture.

Abstract: A lamp including a two-sided source plate, a plurality of light sources, a lens, a diffuser plate, and a driver insulator is disclosed. One set of the light sources generates white light and is attached to one side of the source plate. Another set of the light sources generates colored light and is attached to the source plate's other side. The lens encapsulates the white light-generating set, and redirects that white light. The driver insulator and the diffuser plate are each in contact with the source plate's other side. The driver insulator, diffuser plate, and that side of the source plate define a light box region that contains the colored light-generating set of light sources. The driver insulator acts as a reflector, and the diffuser plate acts as a diffuser, such that colored light is dispersed from the light box region through the diffuser plate.

Abstract: A light emitting diode (LED) light engine is provided for use in a light fixture to enable improved and efficient dissipation of heat generated in the light fixture. The light engine includes a circuit board that includes multiple LEDs for emitting light. The light engine includes a chassis that has a plurality of upper fins that extend upward from a central flanged portion to dissipate heat generated by the LEDs into the lighting fixture. The circuit board is mounted to a mounting surface on the chassis that is surrounded by a fin wall that depends from the central flanged portion. The chassis also has a plurality of lower fins that extend outward from an outer surface of the fin wall to dissipate heat out of the fixture and into the ambient air environment.

Abstract: A thermally efficient liquid motion lamp maintains the proper temperature of liquids within the lamp to provide desired motion while using a minimal amount of energy. The lamp includes a submerged heater and a second heater in the base of the lamp, and an efficient non-incandescent light source for illuminating liquids in the lamp. A sensor measures the temperature of the liquids inside the lamp and the control system controls the heaters to first heat the lamp to operating temperature using the submerged heater and to maintain the temperature within operating limits at the base of the lamp using the second heater. The non-incandescent light source is preferably an LED and may be multi-color or an Ultra Violet (UV) LED cooperating with UV dyes in the liquids, but may be any highly efficient light source. The color and intensity of the LED may be controlled to follow music.

Abstract: The LED lamp tube includes a tube, an LED module, a power supply and a terminal connector. The LED module is accommodated in the tube. The power supply is electrically connected to the LED module and includes a first heating element at one side of the LED module. The terminal connector is electrically connected to the power supply and mechanically connected at one end of the tube.

Abstract: The present invention is directed generally to lighting devices, and more particularly to white light LED-based lighting devices configured such that key subassemblies may be replaced, thereby enabling the modification and/or repair of said device.

Abstract: A lamp assembly includes a lamp base having power input terminals, a fluorescent lamp connected to the terminals through a manually operated switch that is on an exterior of the lamp base so that when power is supplied to the terminals the fluorescent lamp is selectively powered by manual operation of the switch, and a light emitting diode (LED) inseparably connected to the terminals so that when power is supplied to the terminals the LED is always powered. This arrangement allows the LED to be ON regardless of the operating status of the fluorescent lamp and allows the fluorescent lamp to be turned OFF while the LED remains ON.

Abstract: LED junction temperature is determined in real time using the LED itself as the temperature sensor for directly measuring the LED junction temperature. In addition, temperature measurements from a silicon diode placed in proximity to the LED are also used to complement the temperature measurements from the LED itself. Arbitration is performed among temperature measurements from the LED and temperature measurements from the silicon diode to determine a temperature of the LED junction. The determined LED junction temperature may be used to make adjustments to the LED drive current. Temperature measurements from the LED are made in real time during actual operation by applying snooping currents to the LED during off-times of the PWM cycles of the LED, without interrupting normal operation of the LED.

Abstract: An LED light source is provided that is relatively easy to fabricate and achieves superior heat dissipation. The provided LED light is comprised of a base assembly that includes a hollow cylindrical member, a base member that includes an electrical light socket connector, and a plurality of optical assembly mounting arms; a heat sink assembly that includes a cylindrical heat sink configured to fit over the hollow cylindrical member of the base assembly and a disc-shaped LED thermal pad that mechanically closes an end portion of the cylindrical heat sink; an LED drive circuit disposed within the cylindrical member of the base assembly; at least one LED mounted such that a thermal pad of the at least one LED is in direct mechanical and thermal contact with an upper surface of the disc-shaped LED thermal pad; and an optical assembly coupled to the optical assembly mounting arms.

Abstract: A light-emitting diode (LED) lamp for producing a biologically-corrected light. In one embodiment, the LED lamp includes a color filter, which modifies the light produced by the lamp's LED chips, to increase spectral opponency and minimize melatonin suppression. In doing so, the lamp minimizes the biological effects that the lamp may have on a user. The LED lamp is appropriately designed to produce such biologically-correct light, while still maintaining a commercially acceptable color temperature and commercially acceptable color rending properties. Methods of manufacturing such a lamp are provided, as well as equivalent lamps and equivalent methods of manufacture.

Abstract: This disclosure is related to a magnetron including a cylindrical cathode having a center axis, an anode coaxially arranged with the cathode so as to be separated from the cathode via a predetermined space, and a pair of pole pieces provided to both ends of the cathode in the axial direction so as to oppose to each other and having opposing faces perpendicular to the axial direction. The pole piece has a first ridge of a ring shape that is formed on the opposing face and is coaxial with the cathode.

Abstract: A magnetic detachable multi-functional LED lamp includes a power source lamp seat and a luminous lamp unit. The power source lamp seat is provided with a plurality of magnetic units, while the luminous lamp unit is fixed with plural magnetic sucking members respectively corresponding with the magnetic units of the power source lamp seat. By so designing, the luminous lamp unit of the LED lamp can be attracted and fixed on the power source lamp seat by magnetic function of the magnetic units provided on the power source lamp seat, facilitating components of the LED lamp to be assembled, dissembled and replaced, attaining effects of energy saving and carbon reduction, lessening electronic waste and promoting green environmental protection.

Abstract: A light source comprises a heat-sink having a mounting region, and heat-dissipating fins, a base housing having an inner cavity and coupled to the heat-sink, and an integrated lighting module including: a printed circuit board; an LED on a substrate coupled to the printed circuit board within a first lateral region of the printed circuit board, and an electronic driving circuit for providing power to the LED and coupled to the printed circuit board within a second lateral region of the printed circuit board, wherein a bottom surface of the substrate is thermally coupled to the mounting region of the heat-sink, and wherein the second lateral region of the integrated lighting module is located within the inner cavity of the base housing.

Abstract: A flat panel display device includes a substrate having a display unit, a metal sealing substrate including a first metal layer, a second metal layer, and an insulating layer therebetween, a sealing member between the substrate and the metal sealing substrate, and a power supply device including a magnet, the power supply being positioned on the metal sealing substrate and further including a first power supply unit configured to supply a first power to the first metal layer of the metal sealing substrate, a second power supply unit configured to supply a second power to the second metal layer of the metal sealing substrate, and an insulating unit between the first power supply unit and the second power supply unit, the insulating unit being configured to insulate the first and second power supply units from each other.

Abstract: An LED lamp with replaceable light unit according to the invention includes a heat dissipation housing, a metal connector, a driver circuit board, a light unit slice, a pad and a shade. The heat dissipation housing has an opening at one end and a joint portion at another end. The metal connector is disposed to the joint portion of the heat dissipation housing. The driver circuit board disposed inside the heat dissipation housing to electrically connect with metal connector. The light unit slice and the pad are disposed inside the opening, and the light unit slice is electrically connected with the driver circuit board. The shade is disposed inside the opening. The LED lamp with replaceable light unit can be realized by the assembly of the above elements according to the different preferred embodiment of the present invention.

Abstract: An LED lamp includes a rectifier; an inverted cup shaped heat sink comprising spaced heat radiating members projecting upward, and spaced hollow cylindrical heat radiating elements arranged around the heat radiating members; a mounting plate fastened between the rectifier and the heat radiating members; L-shaped heat conduction members each having a longitudinal part inserted through the heat radiating element and a lateral part engaged with bottom of the heat sink; and a circuit board secured to the bottom of the heat sink to fasten the lateral parts of the heat conduction members, the circuit board comprising LEDs each electrically connected to the rectifier and being in contact with the lateral parts of the heat conduction members. The heat sink further includes first, second, and third heat radiating plates arranged around the heat radiating element.

Abstract: According to embodiments of the present invention, an LED assembly includes a case that encapsulates a post, an anvil and an integrated circuit. The integrated circuit includes positive and negative power supply inputs. The positive power supply input is electrically connected to the post, whereas the negative power supply input is electrically connected to the anvil. The integrated circuit also includes an oscillator input, and an oscillator output. According to these embodiments, an anode lead connected to the post; and a cathode lead is connected to the anvil. Furthermore, an oscillator input lead is connected to the oscillator input and an oscillator output lead is connected to the oscillator output.

Abstract: A light-emitting module includes a light-emitting panel, a three-dimensional circuit board, and a positioning element. The light-emitting panel includes a light-emitting surface and a non-light-emitting surface, and the non-light-emitting surface has a plurality of panel electrode regions. The three-dimensional circuit board includes a plurality of circuit board electrode regions, the plurality of circuit board electrode regions is disposed to correspond to the plurality of panel electrode regions, and the three-dimensional circuit board is disposed on the non-light-emitting surface of the light-emitting panel, so that the plurality of circuit board electrode regions is connected electrically to the plurality of panel electrode regions. The positioning element positions the light-emitting panel and the three-dimensional circuit board.

Abstract: An LED lighting device is used with a package body. The package body includes at least a connecting part. The LED lighting device includes a shell, an LED module and a controlling circuit board. The LED module is disposed within the shell. The controlling circuit board is disposed within the shell and electrically connected to the LED module. The controlling circuit board includes a connecting unit. The connecting part of the package body and the connecting unit are connected to provide electrical connection between the package body and the controlling circuit board.

Abstract: An LED illuminating device includes a hollow base including a first end and a second end, an LED substrate, a connector, and a driving circuit module accommodated in the base. A plurality of vents are defined in a circumferential wall of the hollow base; a space is formed between a circumferential wall of the driving circuit module and the inner surface of the circumferential wall of the hollow base. The space can communicate with the plurality of vents and serve as a hot air channel, to promote heat exchange between hot air in the base and cool air outside the base.

Abstract: An LED bulb includes a connector for electrically connecting with a power supply, a heat sink disposed on the connector, an LED module mounted the heat sink, and an envelope secured to the heat sink and covering the LED module. The heat sink includes a tubular body, a plurality of first fins extending outwardly from an outer circumference of the tubular body, and a plurality of second fins extending inwardly from an inner circumference of the tubular body.

Abstract: An inductive LED lamp bulb comprising a male connector, casing, LED, lamp panel and PIR sensor, of which the male connector is set at upper part of the casing, both LED and lamp panel are set at lower part of the casing; moreover, the lamp panel covers said LED, whilst a controller is embedded into said casing, which is also equipped with a timing switch and a contrast switch; said PIR sensor of a removable structure is mounted at the lower part of the casing, and protruded from said lamp panel; said controller is electrically connected with LED, PIR sensor, timing switch and contrast switch; thus, the utility model can be used as a common LED lamp bulb with more control functions and broader range of applications by disassembling easily the PIR sensor.

Abstract: Provided is a lighting unit and a discharge lamp each of which is capable of causing a capacitor to break down by heat generated in a heat generating component, so that circuit operation is safely terminated without any additional cost. A compact self-ballasted fluorescent lamp is provided with a lighting unit (50) housed in a case. The lighting unit (50) causes an arc tube to emit light and is composed of a plurality of electronic components, including a rectifier/smoothing circuit portion, an inverter circuit portion having transistors (Q1 and Q2), a resonant circuit portion, and a preheating circuit portion having a positive temperature coefficient element. Among the plurality of electronic components, the transistors (Q1 and Q2) and the positive temperature coefficient element generate excessive heat when, for example, the lamp is operated at the end of electrode's life.

Abstract: Embodiments of a target tracking system and method with jitter reduction suitable for directed energy systems are generally described herein. In some embodiments, the directed energy system includes a target tracking system to track one or more track points on a moving target, and a beam transmission unit to maintain a directed energy beam on a selected one of the track points in response to tracking control signals provided by the target tracking system. The track points may be smaller than a spot size of the directed energy beam maintained on the target.

Abstract: A system and method of light bulb and fixture comprising an occupancy sensor, a light meter, and an on/off circuit switch is used to manage the lighting use base on the sensing the presence of people and area lighting condition. The occupancy sensor, light meter, an on-off circuit switch, and a regulator are incorporated into the light bulb or fixture for easy replacement and no need of re-wiring or major fixture change.

Abstract: An alternating light diode device is provided and includes a substrate, a rectifier and a light emitting diode. The rectifier, a bridge rectifier with four diodes, includes a first alternating terminal and a second alternating terminal receiving an alternating signal and a first electrode and a second electrode outputting a rectified signal. The light emitting diode is electrically connected with the first electrode and the second electrode. Furthermore, the rectifier and the light emitting diode are mounted on the hexagonal star-shaped aluminum substrate wherein the rectifier is arranged around the substrate.

Abstract: Lighting systems having unique configurations are provided. For instance, the lighting system may include a light source, a thermal management system and driver electronics, each contained within a housing structure. The light source is configured to provide illumination visible through an opening in the housing structure. The thermal management system includes a plurality of synthetic jets. The synthetic jets are arranged within the lighting system such that they are secured at contact points.

Abstract: Lighting systems having a light source and a thermal management system are provided. The thermal management system includes synthetic jet devices, a heat sink and a heat distribution face plate. The synthetic jet devices are arranged in parallel to one and other and are configured to actively cool the lighting system. The heat distribution face plate is configured to radially transfer heat from the light source into the ambient air.

Abstract: The present invention provides an energy-saving LED street lamp and a method of saving energy with said LED street lamp. A energy-saving LED street lamp comprises lamp body, power supply adapters, constant current actuating device, and LED lamps. said constant current actuating device is connected in series with the output end of the Power supply adapter, supplying power to said LED lamps. Said energy-saving lamp also comprises auto light-dimmer energy-saving controller; the signal output end of said auto light-dimmer energy-saving controller being connected with constant current actuating device. Said LED lamps compose a plurality of working module; each of the said working module is connected with an independent Power supply adapter. Said auto light-dimmer energy-saving controller has a plurality of routes of output signal, and each of the route of signal output end is connected with a constant current actuating device, and sequentially control the lighten and extinguish time of a working module.

Abstract: An embodiment of the disclosure includes a LED module. A substrate is provided. A light sensor is positioned in the substrate. A LED chip is attached to the substrate. The LED chip has a first side and a second side. The second side is covered by an opaque layer with an opening. The opening is substantially aligned with the light sensor. The light sensor receives a light output emitting from the LED chip through the opening.

Abstract: A replaceable lighting module in an LED light source is provided. The module improves thermal, mechanical, and electrical connection with an associated fixture. The replaceable module also provides for precise positioning and improves on optical properties of the light distribution.

Abstract: An LED light bulb includes a heat conductive post coupled with a plurality of LED circuit boards. The LED circuit boards are electrically connected to a first current converged board and a second current converged board. The first and second current converged boards also are connected respectively to a first conductive wire and a second conductive wire to converge current of the LED circuit boards. The heat conductive post further is connected to a heat sink which has a wiring aperture threaded through by the first and second conductive wires and a coupling portion coupled with a lampshade. The invention also includes an electric connection structure coupled with the heat sink in an insulation manner. The electric connection structure is electrically connected to the first and second conductive wires and connected to a power source to supply electric power through the first and second conductive wires.

Abstract: End-of-life indicators for lamps, and methods for indicating the end-of-life for lamps, are provided. A solid state light source end-of-life indicator is located on the exterior of a housing of a lamp, and includes at least one light emitting diode. The solid state light source end-of-life indicator emits light at the end of the life of the lamp. The solid state light source end-of-life indicator may emit light upon receiving an end-of-life signal from an end-of-life detection circuit, which detects when the lamp is at an end of its life.

Abstract: An LED lamp tube comprises a tube body, at least one circuit board inside the tube body, at lease one LED module on the circuit board, and electrical connectors at the ends of the tube, wherein the tube body is an integrally formed hollow tube, and has at least one group of supporting and positioning ribs on the inner wall thereof along the length direction; the circuit board is fixed by the supporting and positioning ribs; the LED lamp tube disclosed by the present invention has a firm assembly structure with less thermal deformation, and more particularly just like the conventional fluorescent tubes it has a wide light-emitting angle, thereby providing better illumination effects.

Abstract: This invention discloses a new and advanced light emitting diodes (LEDs) light source module, and more specifically surface mounting LED dice and/or driver circuits on a slim linear Silicon wafer to provide superior heat dissipation capability through eutectic bonding onto a small Silicon base and the overall performance/cost ratio of the LED white light source module by an advanced integrated.

Abstract: An organic electroluminescence lighting device includes a planar organic electroluminescence element; a planer heat diffusion plate provided on one surface of the organic electroluminescence element; and a constant current circuit element that is placed so as to contact the heat diffusion plate and supplies a constant current to the organic electroluminescence element.

Abstract: An LED bulb includes a heat sink, a circuit, an LED, and a driving module. The heat sink includes a base, a tube extending downwardly from a first face of the base, and a plurality of fins extending outwardly from an outer circumference of the tube. The circuit is formed on a second face of the base, and the LED is disposed on the second face of the base and electrically connected with the circuit. The LED bulb further includes a first lead and a second lead electrically connecting with the circuit and extending through the base. The driving module includes a first electrode, and a second electrode electrically insulated from the first electrode and surrounding the first electrode. The first electrode of the driving circuit contacts with the first lead, and the second electrode of the driving circuit contacts with the second lead.

Abstract: A light source device having a good heat dissipation capability is disclosed, in which heat generated by a light emitting device is conducted to a base fabricated by a porous material through a heat conducting mask or a heat conducting pipe. Due to a large area contact between the heat conducting mask or the heat conducting pipe and the base, the heat can be evenly conducted to the base, so that the base can absorb the heat and dissipate the heat to external, so as to improve a heat dissipation efficiency. Moreover, in the light source device of the disclosure, heat exchange of the light emitting device can be directly carried on through air convection, so that the heat generated by the light emitting device can be taken away from the light source device through heat exchange of cool air.

Abstract: A LED string light includes an elongated tubular casing having an elongated light cavity therewith, a light source arrangement being received within the light cavity, and a control unit electrically linking to the light source for controlling and operating the light source arrangement, so as to provide electricity thereto. The light source arrangement further includes at least one conductive wire, and a plurality of diode units spacedly and directly coupled along the conductive wire to generate a 360° light emitted from each of the diode units. Each of the diode units includes a diode sealably encased by a diode enclosure, which is encasing the diode with the conductive wire to maintain the diode in position, so as to minimize the size of the diode unit. Therefore, the diameter of the casing is reduced.

Abstract: According to one embodiment, an optical module includes a light emitting device, a driver IC, a first lead, a ground lead, a second lead, an input lead, and a power supply voltage lead. A second electrode of the light emitting device is supplied with a voltage on a ground side from a second pad through the first lead. A first electrode is supplied with a voltage on a power supply side from the power supply voltage lead or from a first pad through the second lead.

Abstract: An LED bulb includes a bulb head, a bulb body mounted on the bulb head, and a heat dissipation seat connected to the bulb head, disposed within the bulb body, and defining a receiving space. A control circuit unit is disposed in the receiving space, and is connected electrically to the bulb head. An LED module is connected to and is disposed externally of the heat dissipation seat, and is connected electrically to the control circuit unit.

Abstract: A compact fluorescent lamp includes an inverted compact fluorescent light source housed within an outer envelope. Locating the first and second ends of the coiled CFL source positions the electrodes within a substantially spherical outer envelope at a location remotely spaced from the ballast compartment. In this manner, only small diameter first and second lead wires that mechanically and electrically engage the electrodes pass through small dimensioned passages in a separation member in the outer envelope cavity. This substantially reduces the thermal stress on the components.

Abstract: A cold cathode tube lamp which can be lighted easily when the ambient temperature is low. The cold cathode tube lamp comprises discharge tubes having a pair of electrodes and being driven when a voltage having an AC component is supplied thereto, and ballast capacitors connected with at least one of the pair of electrodes. The ballast capacitor is arranged to come into thermal contact with the discharge tube and to increase the capacitance as the surface temperature of the ballast capacitor decreases.

Abstract: Disclosed are a light emitting module and a method of manufacturing the light emitting module.

Abstract: Apparatus and method are provided for reducing acoustical noise when cooling a device, such as a lamp system. The apparatus includes at least a set of a first synthetic jet and a second synthetic jet. The first and second synthetic jets are responsive to respective actuating signals having a phase difference (e.g., 180°) between one another chosen to reduce acoustic noise produced by the first and second synthetic jets when cooling the device.

Abstract: The invention discloses a light-emitting diode illumination platform. When the form factor and the driving current of the light-emitting diode illumination platform are almost fixed, the light-emitting diode illumination platform could includes a certain quantity of light-emitting diodes to be driven by the driving current to light, and if the light-emitting diode illumination platform alternatively includes more light-emitting diodes, the light-emitting diode illumination platform could be driven by the same driving current to light in higher illumination. Similarly, the light-emitting diode illumination platform could alternatively include light-emitting diodes with high luminous efficiency. Thereby, the light-emitting diode illumination platform of the invention with fixed structure size has the advantage of providing different illumination by equipping with different quantities of light-emitting diodes or with light-emitting diodes with different luminous efficiencies.

Abstract: The invention relates to a circuit (2) comprising at least two parallel-connected light-emitting diodes (4, 5) opposite poled in a first parallel branch (12) and comprising at least two parallel-connected light-emitting diodes (6, 7) opposite poled in a second parallel branch (13), and also comprising a capacitor (8) and a coil (9). According to the invention, the first parallel branch (12) has a capacitor (8) and the second parallel branch (13) has the coil (9). On account of the capacitive parallel branch (10) and the inductive parallel branch (11), idle currents arise which are phase-shifted with respect to one another. The idle currents compensate one another and light changes of the oppositely-poled diode pairs take place at different points in time. A light current is then smoothed.

Abstract: LED light bulbs include openings in base or cover portions, and optional forced flow elements, for convective cooling. Thermally conductive optically transmissive material may be used for cooling, optionally including fins. A LED light engine may be fabricated from a substrate via planar fabrication techiques and shaped to form a substantially rigid upright support structure. Mechanical, electrical, and thermal connections may be made between a LED light engine and a LED light bulb.

Abstract: An illuminating device includes a tubular light guide, a plurality of light-emitting devices, and a base. The tubular light guide has a light input edge and an inner space. The light-emitting devices are distributed at the light input edge to provide lights into the tubular light guide. The base supports the light-emitting devices and the tubular light guide. The base also has an electronic circuit to provide power to the light-emitting devices. The base has at least one air circulation hole for connecting an outer space with the inner space.

Abstract: The present invention relates to a light emitting device using AC, comprising: at least one LED chip and an AC driving circuit chip, wherein the AC driving circuit chip comprises a substrate and a rectifying circuit integrated on the substrate. The LED chip is flipped and bonded on the AC driving circuit chip by flip-chip technology and electrically connected to the rectifying circuit, and the AC driving circuit chip converts the AC into DC for supply to the LED chip. The present invention further relates to a method of manufacturing the light emitting device using AC, comprising the following steps of: (1) forming an LED chip; (2) integrating a rectifying circuit on a substrate, forming two power source connecting terminals on the substrate, and forming an AC driving circuit chip; and (3) flip-chip bonding the LED chip on the AC driving circuit chip and in electrical connection with the rectifying circuit on the substrate.