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922results about "Cathode-ray/electron-beam tube circuit elements" patented technology
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LED retrofit lamp
InactiveUS6853151B2Reduce materialReduce power consumptionPoint-like light sourceElongate light sourcesElectrical connectionLED lamp
An LED lamp for mounting to an existing fluorescent lamp fixture having a ballast assembly including ballast opposed electrical contacts, comprising a tubular wall generally circular in cross-section and having tubular wall ends with one or more LEDs positioned within the tubular wall between the tubular wall ends. An electrical circuit provides electrical power from the ballast assembly to the LED(s). The electrical circuit includes at least one metal substrate circuit board and means for electrically connecting the electrical circuit with the ballast assembly. The electrical circuit includes an LED electrical circuit including opposed electrical contacts. Each metal substrate circuit board supports and holds the one or more LEDs and the LED electrical circuit. Each metal substrate circuit board is positioned within the tubular wall between the tubular wall ends. At least one electrical string is positioned within the tubular wall and generally extends between the tubular wall ends. One or more LEDs are in electrical connection with at least one electrical string and are positioned to emit light through the tubular wall. Means for suppressing ballast voltage is included. The metal substrate circuit board includes opposed means for connecting the metal substrate circuit board to the tubular wall ends, which include means for mounting the means for connecting, and the one or more metal substrate circuit boards.
Owner:SIGNIFY HLDG BV
Retrofit LED lamp for fluorescent fixtures without ballast
ActiveUS20070228999A1Increase costLow costLighting support devicesPoint-like light sourceFluorescenceNetwork communication
An energy saving device for an LED lamp mounted to an existing fixture for a fluorescent lamp where the ballast is removed or bypassed. The LEDs are positioned within a tube and electrical power is delivered from a power source to the LEDs. The LED lamp includes means for controlling the delivery of the electrical power from the power source to the LEDs, wherein the use of electrical power can be reduced or eliminated automatically during periods of non-use. Such means for controlling includes means for detecting the level of daylight in the illumination area of said least one LED, in particular a light level photosensor, and means for transmitting to the means for controlling relating to the detected level of daylight from the photosensor. The photosensor can be used in operative association with an on-off switch in power connection to the LEDs, a timer, or with a computer or logic gate array in operative association with a switch, timer, or dimmer that regulates the power to the LEDs. An occupancy sensor that detects motion or a person in the illumination area of the LEDs can be also be used in association with the photosensor and the computer, switch, timer, or dimmer, or in solo operation by itself. Two or more such LED lamps with a computer or logic gate array used with at least one of the lamps can be in network communication with at least one photosensor and / or at least one occupancy sensor to control the power to all the LEDs.
Owner:SIGNIFY HLDG BV
Retrofit LED lamp for fluorescent fixtures without ballast
ActiveUS7507001B2Reduce flickerReduce usageLighting support devicesPoint-like light sourceFluorescenceNetwork communication
An energy saving device for an LED lamp mounted to an existing fixture for a fluorescent lamp where the ballast is removed or bypassed. The LEDs are positioned within a tube and electrical power is delivered from a power source to the LEDs. The LED lamp includes means for controlling the delivery of the electrical power from the power source to the LEDs, wherein the use of electrical power can be reduced or eliminated automatically during periods of non-use. Such means for controlling includes means for detecting the level of daylight in the illumination area of said least one LED, in particular a light level photosensor, and means for transmitting to the means for controlling relating to the detected level of daylight from the photosensor. The photosensor can be used in operative association with an on-off switch in power connection to the LEDs, a timer, or with a computer or logic gate array in operative association with a switch, timer, or dimmer that regulates the power to the LEDs. An occupancy sensor that detects motion or a person in the illumination area of the LEDs can be also be used in association with the photosensor and the computer, switch, timer, or dimmer, or in solo operation by itself. Two or more such LED lamps with a computer or logic gate array used with at least one of the lamps can be in network communication with at least one photosensor and / or at least one occupancy sensor to control the power to all the LEDs.
Owner:SIGNIFY HLDG BV
Retrofit light emitting diode tube
An LED light tube for replacement for fluorescent light tubes includes an elongated cylindrical transparent envelope, a base cap at each end of the envelope, and at least one LED device in electrical communication with the base cap. The LED light tube is adapted for use in troffer light fixtures.
Owner:MULE LIGHTING
Light emitting diode based products
Methods and systems for controlled semiconductor-based illumination. In one example, one or more semiconductor-based illumination systems are configured to illuminate an area about the illumination system(s). A user interface facility is employed to instruct one or more of the semiconductor-based illumination systems to produce a desired mixed light output to illuminate the area about the illumination system(s).
Owner:COLOR KINETICS
Power controls for tube mounted LEDs with ballast
InactiveUS7067992B2Reduce flickerReduce usagePoint-like light sourceElongate light sourcesNetwork communicationCurrent driver
A power saving device for a light emitting diode (LED) lamp mounted to an existing fixture for a fluorescent lamp having a ballast assembly and LEDs positioned within a tube and electrical power delivered from the ballast assembly to the LEDs. The LED lamp includes a device for controlling the delivery of the electrical power from the ballast assembly to the LEDs wherein the use of electrical power can be reduced or eliminated automatically during periods of non-use. Such device for controlling can include an on-off switch mounted in the tube or can also include a current driver dimmer mounted in the tube that regulates the amount of power delivered to the LEDs. A computer or logic arrays control the dimmer or power switch. A sensor such as an occupancy motion detection sensor mounted external to the tube or within the tube can send signals to the computer or logic array to trigger a switch or control a dimmer. Two or more such LED lamps with one or more computers or logic arrays in network communication with sensors can be controlled, so as to reduce flickering between lamps when illumination areas are being alternately occupied. Preset or manually set timers can control switches or be used in combination with the computer, logic array, and dimmer.
Owner:SIGNIFY HLDG BV
Tunable wireless energy transfer for lighting applications
InactiveUS20120235566A1Efficient deliveryEfficient energy transferMultiple-port networksCircuit monitoring/indicationEnergy transferResonator
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load associated with a movable lighting unit, the load adapted to provide electrical energy to the lighting unit, a second electromagnetic resonator configured to be coupled to the load and moveable relative to the first electromagnetic resonator, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and wherein the second electromagnetic resonator is configured to be tunable during system operation so as to at least one of tune the power provided to the second electromagnetic resonator and tune the power delivered to the load.
Owner:WITRICITY CORP
Multi-resonator wireless energy transfer for exterior lighting
ActiveUS8441154B2Efficient deliveryEfficient energy transferMultiple-port networksCircuit monitoring/indicationEnergy transferEngineering
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply and a second electromagnetic resonator coupled to at least one of a power supply and the first electromagnetic resonator. The mobile wireless receiver includes a load associated with an outdoor lighting unit that draws energy from the load to power a light source associated with the outdoor lighting unit, and a third electromagnetic resonator configured to be coupled to the load and movable relative to at least one of the first electromagnetic resonator and the second electromagnetic resonator, wherein the third resonator is configured to be wirelessly coupled to at least one of the first electromagnetic resonator and the second electromagnetic resonator to provide resonant, non-radiative wireless power to the third electromagnetic resonator from at least one of the first electromagnetic resonator and the second electromagnetic resonator.
Owner:WITRICITY CORP
LED lighting device
InactiveUS20110156584A1Prevent glareSpread widelyPlanar light sourcesPoint-like light sourceAir cycleUltrasound attenuation
The present invention relates to a lighting device using an LED. One embodiment of the invention provides a lamp-shaped LED lighting device that can replace a known lighting device. The lamp-shaped LED lighting device promptly emits the heat generated by an LED element, which influences the optical output and the lifespan of the LED lighting device, through a lamp-shaped frame with a heat-ventilation structure that facilitates air circulation. In addition, the lamp-shaped LED lighting device prevents glare from an LED light source by using a lateral reflecting member, a diffusion lens and a diffusion cover and diffuses the light from the light source widely without optical attenuation. Another embodiment of the invention provides a tube and panel-shaped LED lighting devices that can be replaced with a previous tube-shaped fluorescent light and a panel-shaped lighting device. The tube and panel-shaped LED lighting devices rapidly emit the heat generated by an LED element, which influences the optical output and the life span of the LED lighting device, through a tube and panel-shaped frame with a heat-sink structure. In addition, the tube and panel-shaped LED lighting devices prevent glare from the LED light source by optically arranging a curved reflecting plate, a diffusion plate and a diffusion window which include a diffusion lens at the upper portion of the LED element. Furthermore the tube and panel-shaped LED lighting devices diffuse the light from the LED light source widely without optical attenuation.
Owner:SOLARKOR
Tunable wireless energy transfer for outdoor lighting applications
ActiveUS8466583B2Efficient deliveryEfficient energy transferMultiple-port networksCircuit monitoring/indicationEnergy transferEngineering
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load associated with an outdoor lighting unit that draws energy from the load to power a light source associated with the outdoor lighting unit, and a second electromagnetic resonator configured to be coupled to the load and moveable relative to the first electromagnetic resonator, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and wherein the second electromagnetic resonator is configured to be tunable during system operation so as to at least one of tune the power provided to the second electromagnetic resonator and tune the power delivered to the load.
Owner:WITRICITY CORP
Heat sinks and lamp incorporating same
ActiveUS20110089830A1Improve efficiencyGood indexLight source combinationsPoint-like light sourceEngineeringSolid-state lighting
A lamp comprising a solid state light emitter, the lamp being an A lamp and providing a wall plug efficiency of at least 90 lumens per watt. Also, a lamp comprising a solid state light emitter and a power supply, the emitter being mounted on a heat dissipation element, the dissipation element being spaced from the power supply. Also, a lamp, comprising a solid state light emitter and a heat dissipation element that has a heat dissipation chamber, whereby an ambient medium can enter the chamber, pass through the chamber, and exit. Also, a lamp, comprising a light emissive housing at least one solid state lighting emitter and a first heat dissipation element. Also, a lamp comprising a heat sink comprising a heat dissipation chamber. Also, a lamp comprising first and second heat dissipation elements. Also, a lamp comprising means for creating flow of ambient fluid.
Owner:IDEAL IND LIGHTING LLC
Power controls with photosensor for tube mounted LEDs with ballast
InactiveUS20050281030A1Easy to controlReduce flickerPoint-like light sourceElongate light sourcesControl signalNetwork communication
A power saving device for a light emitting diode (LED) lamp mounted to an existing fixture for a fluorescent lamp having a ballast assembly and LEDs positioned within a tube and electrical power delivered from the ballast assembly to the LEDs. The LED lamp includes means for controlling the delivery of the electrical power from the ballast assembly to the LEDs wherein the use of electrical power can be reduced or eliminated automatically during periods of non-use. Such means for controlling include means for detecting the level of daylight in the illumination area of said least one LED in particular a light level photosensor and means for transmitting to the means for controlling a control signal relating to the detected level of daylight from the photosensor. The photosensor can be used in operative association with an on-off switch in power connection to the LEDs, or with a computer or logic gate array in operative association with a dimmer that controls the power to the LEDs. An occupancy sensor that detects motion or a person in the illumination area of the LEDs can be optionally used in association with the photosensor and the computer and dimmer. Two or more such LED lamps with one or more computers or logic gate arrays can be in network communication with the photosensors and the occupancy sensors to control the power to the LEDs.
Owner:SIGNIFY HLDG BV
Power controls with photosensor for tube mounted LEDs with ballast
InactiveUS7490957B2Reduce flickerReduce usageLighting support devicesPoint-like light sourceControl signalNetwork communication
Owner:SIGNIFY HLDG BV
Power controls for tube mounted LEDs with ballast
InactiveUS20050162101A1Reduce flickerReduce usagePoint-like light sourceElongate light sourcesNetwork communicationCurrent driver
A power saving device for a light emitting diode (LED) lamp mounted to an existing fixture for a fluorescent lamp having a ballast assembly and LEDs positioned within a tube and electrical power delivered from the ballast assembly to the LEDs. The LED lamp includes means for controlling the delivery of the electrical power from the ballast assembly to the LEDs wherein the use of electrical power can be reduced or eliminated automatically during periods of non-use. Such means for controlling can include an on-off switch mounted in the tube or can also include a current driver dimmer mounted in the tube that regulates the amount of power delivered to the LEDs. A computer or logic arrays control the dimmer or power switch. A sensor such as an occupancy motion detection sensor mounted external to the tube or within the tube can send signals to the computer or logic array to trigger a switch or control a dimmer. Two or more such LED lamps with one or more computers or logic arrays in network communication with sensors can be controlled, so as to reduce flickering between lamps when illumination areas are being alternately occupied. Preset or manually set timers can control switches or be used in combination with the computer, logic array, and dimmer.
Owner:SIGNIFY HLDG BV
Multi-resonator wireless energy transfer for exterior lighting
ActiveUS20120242225A1Efficient deliveryEfficient energy transferMultiple-port networksCircuit monitoring/indicationEnergy transferEffect light
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply and a second electromagnetic resonator coupled to at least one of a power supply and the first electromagnetic resonator. The mobile wireless receiver includes a load associated with an outdoor lighting unit that draws energy from the load to power a light source associated with the outdoor lighting unit, and a third electromagnetic resonator configured to be coupled to the load and movable relative to at least one of the first electromagnetic resonator and the second electromagnetic resonator, wherein the third resonator is configured to be wirelessly coupled to at least one of the first electromagnetic resonator and the second electromagnetic resonator to provide resonant, non-radiative wireless power to the third electromagnetic resonator from at least one of the first electromagnetic resonator and the second electromagnetic resonator.
Owner:WITRICITY CORP
Tunable wireless energy transfer for outdoor lighting applications
ActiveUS20120235567A1Efficient deliveryEfficient energy transferMultiple-port networksCircuit monitoring/indicationEnergy transferEffect light
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load associated with an outdoor lighting unit that draws energy from the load to power a light source associated with the outdoor lighting unit, and a second electromagnetic resonator configured to be coupled to the load and moveable relative to the first electromagnetic resonator, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and wherein the second electromagnetic resonator is configured to be tunable during system operation so as to at least one of tune the power provided to the second electromagnetic resonator and tune the power delivered to the load.
Owner:WITRICITY CORP
Separate LED Lamp Tube and Light Source Module Formed Therefrom
A lamp tube according to the present invention at least comprises: a tube body, a light-emitting module, a driving module and an electrical connection module. The light-emitting module and the driving module are disposed in the tube body. The light-emitting module is provided with a first circuit board and a plurality of LEDs. The driving module is provided with at least a second circuit board and a drive circuit. The electrical connection module forms an electrical connection between the first and second circuit boards. It is convenient to independently replace or repair the driving module or the light-emitting module without discarding the entire lamp tube so as to effectively save costs and achieve the effects of energy saving and environmental protection.
Owner:LEXTAR ELECTRONICS CORP
Retrofit light emitting diode tube
Owner:MULE LIGHTING
Image display apparatus
InactiveUS20120013582A1Enhance the imageLess streakingCathode-ray tube indicatorsElectric discharge lampsElectrical resistance and conductanceResistor
An image display apparatus comprises a face plate including a common electrode extending in an outside of an image region along a one side of the image region, n first resistor members connected to the common electrode and connected to each of anodes in the divisional regions corresponding thereto, and a second resistor member connecting between one and the other of the first resistor members. R1 is an average resistance value of each first resistor member per length of one pixel including at least one of the light emitting members. R1all is a resistance value of each first resistor member for a total length in the image region. R2 is a resistance value of the second resistor member. And, a relationship of 0.1×R1<R2<R1all is met.
Owner:CANON KK
Universal light emitting illumination device and method
ActiveUS20050057187A1Solution to short lifeImprove efficiencyCoupling device connectionsPoint-like light sourceEngineeringLED lamp
Disclosed is a method and apparatus for providing a light emitting diode and driving circuitry integrated into a component module that will retrofit common incandescent lightbulb applications. The disclosed embodiments will perform with high efficiency at a wide operating voltage range with a very small size allowing for the incorporation within the envelope and form of existing lightbulb bases. Therefore, a single universal LED light bulb module can be used to replace the dozens of conventional LED and incandescent lights currently being used. The electronic circuitries used to drive the LEDs are extremely compact and consequently can be incorporated in nearly any standard bulb base.
Owner:LEDVANCE LLC
LED lamp
InactiveUS20110101861A1Increase emission rateConstant gainPoint-like light sourceElongate light sourcesEngineeringPolycarbonate
The present invention relates to an LED lamp in which, because the lamp has therein a heat dissipation transfer member and the power source base thereof is made of materials including polycarbonate, etc. with a high emission rate of radiation so as to enhance its surface heat dissipation constant, the power source base has sufficient heat dissipation performance and, thus, a separate insulation circuit is not necessary, thereby improving reliability and productivity of the lamp as well as reducing the cost of manufacturing.To this end, the present invention provides an LED lamp comprising one or more LEDs mounted on a PCB, a floodlight cover that transmits light from the LEDs, and a power source base coupled to the floodlight cover and having a terminal at one end thereof, wherein the power source base is made of an insulation material; and the LED lamp also comprises a heat dissipation transfer member that has a heat sink in contact with the PCB on which the LEDs are mounted, and is formed and installed so as to overlap with and be in tight contact with the inner face of either the power source base or the floodlight cover or both.
Owner:YOO YOUNG HO +1
Dimmable LED luminaire
InactiveUS20100277067A1Point-like light sourceElectric circuit arrangementsElectricityDriver circuit
A luminaire includes an Edison type electrical base, an optic, and a heat sink disposed between the base and the optic. An LED driver circuit is disposed at least partially within the heat sink, and is disposed in electrical communication with the base. An LED assembly is disposed in thermal communication with a surface of the heat sink, and in electrical communication with the driver circuit, the LED assembly includes an LED. The driver circuit includes circuitry that converts an AC signal at the base to a DC signal and provides the DC signal to the LED assembly, the circuitry includes holding current circuitry that produces a holding current for an electrical dimmer disposed upstream of the base in response to a current to the LED assembly being reduced for light dimming purposes.
Owner:LIGHTING SCI GROUP
Light emitting diode (LED) arrangement with bypass driving
ActiveUS20100194274A1Electroluminescent light sourcesElectric light circuit arrangementEngineeringSingle lead
The invention provides a LED arrangement including a LED string of a series arrangement of LED segments. A LED segment includes a single LED or a series arrangement of LEDs. A switching element (12, 22) is arranged in parallel with each corresponding LED segment (10, 20) of the LED string, for controlling a current (52, 62) through the LED segment (10, 20). A capacitor (13, 23) is arranged in parallel with each corresponding LED segment (10, 20) in order to prevent the occurrence of possibly harmful current spikes while switching one or more LED segments. The LED arrangement may also include a switched-mode power supply (2001). The invention further provides a LED assembly. A plurality of such LED assemblies assembles easily into a LED arrangement according to the invention.
Owner:NXP BV
Solid-state light bulb
InactiveUS20110095686A1Reduce decreaseAvoid problemsLight source combinationsLighting support devicesHeat conductingLed array
An example of this light bulb has a light emitting element (which may be an LED array) mounted on a circuit board. The circuit board is mounted on one end of a heat-conducting frame. An Edison screw or other suitable connector, for attaching the light bulb electrically and mechanically to a receptacle, is mounted on the other end of the frame. A transparent phosphor-coated ball has a flat chord face optically bonded to said array. A light-permeable globular enclosure is mounted on the frame, surrounding the ball and both homogenizing the white light output of the bulb but also concealing the yellowing unlit appearance of the remote phosphor ball centrally located within it.
Owner:LIGHT PRESCRIPTIONS INNOVATORS
LED tube and lamp arrangement
ActiveUS20110260614A1Avoid controlStray capacitance is preventedPoint-like light sourceElongate light sourcesFluorescenceEffect light
A LED tube includes a translucent or fluorescent tube of substantially the shape and size of a fluorescence tube, inside which one or more LED components and a current control unit are installed. At both ends of the LED tube, there is a pair of contact pins for connecting the light element mechanically and electrically to the tube holders of the fluorescence tube lighting fixture. The tube lamp has a safety unit arranged to prevent a voltage from transferring through the tube lamp from its one end to the other until a voltage supplied from the corresponding tube holder of the lighting fixture to the pair of contact pins has been separately detected at each end of the tube lamp. Inside the LED tube, there is at least one optical line that is arranged to transfer a control or measurement signal associated with the safety unit from one end of the LED tube to the other without capacitive leakage currents.
Owner:TEKNOWARE
CCFL illuminated device and method of use
A Cold Cathode Fluorescent Lamp (CCFL) is enclosed within a bulb normally used for incandescent fixtures. The CCFL is bent into a u-shape to fit within the bulb and the ballast can be installed in the lamp base. In an alternative embodiment, one or more CCFLs is enclosed within a fluorescent lamp tube or bulb with bi pin end caps. An insert in the end cap can support the CCFLs. Contact is made to the CCFLs through a connection with the pins of the end caps. In an alternative arrangement, the CCFLs are supported within the tube by electrode wires connecting to the pins.
Owner:T 1 LIGHTING
LED tube system
InactiveUS20120043892A1Direct contact guaranteeMaximize currentPoint-like light sourceElongate light sourcesCapacitanceElectrical connection
The invention relates to an LED tube system for driving at least one LED assembly comprising: an LED tube housing for containing the at least one LED assembly, two pairs of mains input terminals (A, B) provided at ends of the LED tube housing for receiving a mains supply voltage (Vmns) and for supplying the mains supply voltage (Vmns) to an internal part of the LED tube system for driving the at least one LED assembly, and further comprising a switching circuit being electrically connected with all mains input terminals (A, B, C, D) and being arranged for electrically connecting the pairs of mains input terminals together in a first state (2 / ON) and electrically separating the pairs in a second state (1 / OFF) of the switching circuit. The switching circuit being further arranged for providing a coupling capacitor (C10, C11) between the first pair and the second pair of input terminals in the first state (2 / ON) and removing the coupling capacitor (C10, C11) in the second state (1 / OFF) of the switching circuit. Due to the switching circuit the LED tube system in accordance with the invention can be used in lighting fixtures for parallel fluorescent tubes as well as in lighting fixtures for serial fluorescent tubes. The invention further relates to safety devices for the LED tube system.
Owner:LEDNED HLDG
Gas-discharge lamp replacement
ActiveUS20090284155A1Reduce reflection lossReduce lightPoint-like light sourceElectric circuit arrangementsGas-discharge lampColor rendering index
An illumination device comprising a housing fixture, a light source, and an active heat transfer device is provided. The housing fixture includes a base adapted to be receivable in a light fixture receptacle configured to receive a gas-discharge lamp. The light source emits light with a color rendering index higher than a respective color rendering index of at least a type of gas-discharge lamp. The active heat transfer device is physically coupled to the light source and mounted to the housing fixture. The active heat transfer device receives power from a power supply to remove thermal energy from the light source.
Owner:EXPRESS IMAGING SYST
Fluorescent lamp tube having integrated electronic ballast
InactiveUS7083309B2Simply replacedOvercomes shortcomingLighting support devicesElongate light sourcesPower factorColor rendering index
A new fluorescent lamp comprises a lamp tube and an electronic ballast, it is characterized in that it is provided with an outer tube, there are respectively an outer plug at both ends of the outer tube, in which inserts a socket for the lamp tube. The electronic ballast is between the outer plug and the socket for the lamp tube at one end, said lamp tube is disposed between two sockets for the lamp tube. There are advantages as follows: an urgent lighting, the electronic ballast and the compact lamp tube are integrated as one whole; it is convenient for mounting and exchanging, a cost for mounting is greatly reduced; it is possible for repacking to maintain an original means, to reduce a contamination of waste; its weight is light; its power factor is high, more than 95%, it is economical in power, a cost for transporting is low; the color rendering index (CRI) is more than 80%; it is ignited immediately after it is turned on, it does not flash; it is applied to lamps having deferent power; the life of the lamp tube is prolonged by 50%; its output brightness is higher than existing lamps by twice or more; the lamp tube still steadily operates when a power supply is unexpected to be shut off, which reduces accident cases; the whole distortion of a resonant wave becomes smaller than 30%.
Owner:SYNERGY LIGHTING GRP LTD
LED package, LED package module having the same and manufacturing method thereof, and head lamp module having the same and control method thereof
InactiveUS20110127912A1Improve radiation efficiencyLow costPoint-like light sourcePortable electric lightingThermal reliefEngineering
Disclosed are an LED package, an LED package module having the same and a manufacturing method thereof, and a head lamp module having the same and a control method thereof. The light emitting diode package includes: a package substrate; a light emitting diode chip mounted on one surface of the package substrate; an electrode pad formed on the other surface of the package substrate and electrically connected to the light emitting diode chip; and a heat radiation pad formed on the other surface of the package substrate and electrically insulated from the electrode pad.
Owner:SAMSUNG ELECTRONICS CO LTD
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