Class / Patent application number | Description | Number of patent applications / Date published |
315035000 | Plural discharge device loads | 74 |
20080238323 | LED lighting assembly and lamp utilizing same - An LED lighting assembly including a plurality of individual LEDs mounted on a common, bendable heat sinking member designed to remove heat from the LEDs during operation and also to be formed (bent) to provide the desired light direction and intensity. Several such assemblies may be used within an LED lamp, as also provided herein. The lamp is ideal for use within medical and dental environments to assure optimal light onto a patient located at a specified distance from the lamp. | 10-02-2008 |
20080246403 | Display, method for driving display, and electronic apparatus - Disclosed herein is a display including: a pixel array part configured to include pixels that are arranged in a matrix, each having an electro-optical element, a write transistor for writing a video signal, a drive transistor for driving the electro-optical element based on the video signal written by the write transistor, and a holding capacitor connected between the gate and source of the drive transistor, wherein the holding capacitor includes a first electrode, a second electrode disposed to face one surface of the first electrode for forming a first capacitor, and a third electrode disposed to face the other surface of the first electrode for forming a second capacitor, and the first capacitor and the second capacitor are connected in parallel to each other electrically. | 10-09-2008 |
20080258626 | Organic EL display device - The present invention allows an organic EL display device to perform display with high definition by reducing an area of each pixel forming a display region of the display device. A drive TFT for driving an organic EL element, a storage capacitance connected with a gate of the drive TFT, and a switching TFT connected to a scanning line are used in common by pixels arranged adjacent to each other in the lateral direction and hence, areas occupied by these circuit elements per one pixel can be reduced whereby the pixel can be made small. Further, a data line for supplying a video signal and a power source line for supplying an electric current to the organic EL elements can be used in common by the pixels arranged adjacent to each other and hence, the number of data lines and the number of power source lines can be halved thus reducing an area of the pixel. Due to such a constitution, the present invention acquires an organic EL display device capable of performing display with high definition. | 10-23-2008 |
20090039787 | Power supply and plasma display including the same - A power supply including a transformer primary coil coupled to an input power source and a secondary coil coupled to an output terminal, a first switch coupled to the primary coil of the transformer, a duty cycle of the first switch controlling a voltage of the output terminal, first and second resistors coupled to the output terminal in series, a third resistor having a first terminal coupled to a node common to the output terminal and the first resistor, a second switch having a first terminal coupled to a second terminal of the third resistor and having a second terminal coupled to a node common to the first and second resistors, the second switch controlled based on an accumulated driving time, and a switching controller configured to receive a feedback voltage varying according to an on/off of the second switch, and configured to control the duty cycle. | 02-12-2009 |
20100117536 | Control Circuit and Method for Controlling Large-Scale Semiconductor Light Sources - A drive circuit for driving semiconductor light sources having one or more semiconductor light sources applied to a circuit mount, wherein the drive circuit for driving semiconductor light sources is also applied to the circuit mount and can generate pulses with a rise time of less than 3 μs. | 05-13-2010 |
20100277069 | LED Lamp Replacement of Low Power Incandescent Lamp - An LED lamp that can take the place of incandescent lamps. An elevated light source is positioned above a screw-type base. A first plurality of LEDs is connected in a series on one side of a flat substrate and a second plurality of LEDs, equal in number to the first, is connected in series on an opposite side of the substrate. Each LED of the first and second plurality of LEDs is mounted proximate a heat sink and a drive circuit is provided for the LEDs, with the drive circuit being located proximate and electrically connected to the screw base. | 11-04-2010 |
20100289407 | LED ROOM LIGHT - Disclosed is a light bulb which utilizes LEDs which replaces an incandescent light bulb in a fixture for incandescent light bulbs. The LED light bulb includes a multi-faceted head on which multiple LEDs are placed, with the multi-faceted head being in contact with heat dissipation structures. The heat dissipation structures include a heat transfer column which extends from the LEDs to the base of the bulb. A removable cover is enclosed which has openings for air circulation within the globe of the light bulb. | 11-18-2010 |
20100301747 | LAMP WITH APPEARANCE DIFFERENTIATED FROM ITS MAIN ILLUMINATION - 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. | 12-02-2010 |
20100327745 | OPTO-THERMAL SOLUTION FOR MULTI-UTILITY SOLID STATE LIGHTING DEVICE USING CONIC SECTION GEOMETRIES - A light assembly | 12-30-2010 |
20110006679 | LED bulb with an enlarged irradiation range by arranging led elements in three-dimension - An LED light source includes a housing having a base adapted to mount in an electrical socket; a circuit board received in the housing; an electrical circuit assembly received in the housing, the electrical circuit assembly being electrically connected to both the circuit board and the base; an LED assembly mounted on the circuit board, the LED assembly including a plurality of LED elements electrically connected to the circuit board; and a bulb mounted on an open end of the housing for enclosing the circuit board, the electrical circuit assembly, and the LED assembly, wherein the LED elements are arranged in three-dimension so as to irradiate an enlarged range. The LED elements may be arranged and shaped as a tapered tower, a tree, or a semi-sphere. | 01-13-2011 |
20110006680 | LIGHT-EMITTING MODULE AND LIGHTING APPARATUS - An object of the present invention is to provide a light-emitting module having excellent light emission efficiency and excellent light distribution characteristics and also provide a lighting apparatus using the light-emitting module. The present invention is a light-emitting module | 01-13-2011 |
20110018437 | HIGH POWER LED LAMP FOR TRAFFIC LIGHT - A vehicular traffic light lamp includes a higher part defining final optic capacities of the lamp and composed by a truncated pyramid aluminium heat sink with plural sides, a higher area, and a lower plate; a high power led situated on each side of the higher part; a lower part comprised of an electronic component and a lampbase; and a transparent plastic cover. | 01-27-2011 |
20110037386 | BULBTYPE LAMP WITH LIGHT EMITTING DIODES USING ALTERNATING CURRENT - Provide is a bulbtype AC power LED lamp. The bulbtype AC power LED lamp includes an AC power LED board, a diffuser, a board base, an insulation base, a socket, and a bulb. The AC power LED board is in contact with the board base on which a heat sink is disposed to maximize heat emission efficiency during turn-on of the AC power LED. Also, light is diffused by the diffuser during turn-on of the AC power LED to prevent dazzling phenomenon as well as extend a lighting area. | 02-17-2011 |
20110037387 | Dimmable LED Bulb With Convection Cooling - A light-emitting diode lamp includes a light engine, a power assembly, and a heatsink. The light engine includes a plurality of light-emitting diodes, and the power assembly includes a socket disposed at one end of the power assembly and a heat spreader plate disposed at another end of the power assembly opposite the socket. The light engine is mounted to the heat spreader plate. The power assembly further includes a power supply circuit that is electrically coupled to the socket and to the light engine. The socket is configured to electrically couple the power supply circuit to an external electrical source. The heatsink encircles the power assembly and is thermally connected to the light engine. The heatsink also includes a plurality of perforations, which are arranged to facilitate a natural convection airflow over and through the heatsink. | 02-17-2011 |
20110037388 | WHITE LIGHT EMISSION DIODE AND WHITE LIGHT EMISSION DIODE LAMP - The present invention discloses a high CRI white LED and a lamp comprising the white LED. The white LED includes a base, a reflector for mixing light, protrusions on the inner wall surface of the reflector, at least 6 LED chips emitting lights at different wavelengths, which are fixed and electrically combined on the heat conducting base, and a lead frame which has a shape and a size matched well with the bottom of the reflector and which is fixed outside the reflector and on the top surface of the base. Electrodes of the LED chips are electrically connected with leads on the lead frame. A transparent optical material covers the chips. The multi-wavelengths lights are mixed uniformly by diffuse reflection of the reflecting walls of the reflector to achieve a white LED with high CRI and high efficiency. A white LED lamp or a white LED plane light source comprising the white LED can avoid energy loss in optical conversion in which phosphors are used. With the configuration, the efficiency in electro-to-optic conversion and working lifetime of the lamps are improved. The lamp is also suitable for mass production. | 02-17-2011 |
20110050100 | Thermal Management of a Lighting System - A lighting system is presented that includes a replaceable illumination module removably coupled to a base module. The replaceable illumination module includes one or more solid state lighting elements on a printed circuit board electrically and thermally connected to the base module. The base module may include a heat sink, where the heat sink is in thermal contact with the replaceable illumination module, and dissipates heat generated by the one or more solid state lighting elements during operation of the lighting system. The replaceable illumination module may also include one or more beam conditioning elements for generating a specified beam. The lighting system may be connected to an automated control network and may be automatically controlled thereby, or may be used to control some other system. The heat sink may be generated via a dynamically controllable extrusion die. | 03-03-2011 |
20110050101 | Controllable Lighting System - A lighting system is presented that includes a replaceable illumination module removably coupled to a base module. The replaceable illumination module includes one or more solid state lighting elements on a printed circuit board electrically and thermally connected to the base module. The base module may include a heat sink, where the heat sink is in thermal contact with the replaceable illumination module, and dissipates heat generated by the one or more solid state lighting elements during operation of the lighting system. The replaceable illumination module may also include one or more beam conditioning elements for generating a specified beam. The lighting system may be connected to an automated control network and may be automatically controlled thereby, or may be used to control some other system. The heat sink may be generated via a dynamically controllable extrusion die. | 03-03-2011 |
20110068687 | BULB-SHAPED LAMP AND LIGHTING DEVICE - [Problem to be Solved] To provide a bulb-type lamp that can achieve improvement in the heat dissipation properties and size/weight reduction simultaneously, and that can lighten thermal load on a lighting circuit. | 03-24-2011 |
20110089831 | BULB-SHAPED LAMP AND LIGHTING DEVICE - Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb ( | 04-21-2011 |
20110095686 | SOLID-STATE LIGHT BULB - 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. | 04-28-2011 |
20110101861 | LED LAMP - 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. | 05-05-2011 |
20110115373 | MODULAR LED LIGHTING DEVICE - There is described an LED lighting device comprising: a heat dissipating device having a planar surface; and a circuit board removably attached to the heat dissipating device and having a top surface, a bottom surface, and a surrounding side surface, the circuit board comprising at least one LED on the top surface and having at least one electrical connector on one of the top surface and the side surface for removably connecting the at least one LED to a power source, the bottom surface being abutted against the planar surface in order to transfer heat generated by the at least one LED to the heat dissipating device. | 05-19-2011 |
20110127913 | LED REPLACEMENT FOR LOW VOLTAGE LAMPS - The LED replacement for low voltage lamps has a plurality of LED lights disposed in a housing capped by a multifaceted reflector to provide lighting having comparable lighting characteristics to non-LED sourced low voltage lamps. Power conditioning solid state circuitry is disposed in the housing and provides the LED lights with a regulated excitation voltage source. The power conditioning circuitry has at least one ceramic capacitor in parallel with output leads of a power supply for the lamp. A zener diode pair having anodes connected together is disposed in parallel with the ceramic capacitor. The power conditioning circuitry is disposed in advance of a voltage rectifier and filter bank, whose output is provided to a voltage regulator that provides regulated DC voltage to the LED light sources. Output of the voltage regulator is modulated by thermal protection circuitry that throttles the LEDs off responsive to lamp overheating. | 06-02-2011 |
20110148298 | LED LIGHTING TUBE ADOPTING ISOLATED FLUORESCENT CONVERSION TECHNOLOGY - An LED lighting tube includes a strip-shaped metal shell, a LED light source, a white light conversion film, and a driving power supply. The metal shell defines two spaced slots inwardly. The white light conversion film and the LED light source are respectively fixed in the two slots. The white light conversion film is isolated from the LED light source. The driving power supply is accommodated in the metal shell. | 06-23-2011 |
20110156585 | LAMP WITH ENERGY-SAVING HIGH-POWER SPIRAL LIGHT TUBE - An energy-saving lamp with a high-power double spiral energy-saving light tube. The double spiral energy-saving light tube includes two single spiral light tubes having complementary structure. One spiral light tube rotates into the other in the same direction, they geometrically fit into one another, and they complement one another. The two light tubes work independently. Reliability is improved. Short glass tubes can be used for producing the two single spiral light tubes, and the production process is simple and suitable for mass production. The luminous efficiency of the energy-saving lamp of the invention exceeds 80 lm/W. A single spiral light tube of between 14 and 22 mm in diameter corresponds to the power of the lamp of between 100 and 250 W. | 06-30-2011 |
20110156586 | LED BULB ADOPTING ISOLATED FLUORESCENT CONVERSION TECHNOLOGY - An LED bulb is provided which includes a white light conversion film, a metal shell, a blue or purple or UV LED light source, an insulation connecting component, and a lamp holder. The metal shell includes an upper step and a lower step in an inner surface thereof. The white light conversion film is disposed on the upper step. The LED light source is disposed on the lower step. The lamp holder is connected to a bottom of the metal shell via the insulation connecting component. | 06-30-2011 |
20110156587 | Radiating Device for Lamp and LED Lamp - A radiating device for lamp and a LED lamp comprising the radiating device are provided. The LED lamp comprises a LED light source module (2), a light transmission protective cover (3) and the radiating device for lamp. The LED light source module (2) comprises several LEDs (21) and a radiating circuit substrate (22). The radiating device for lamp comprises a radiating base plate (1). Several radiating rods (11) are arranged at the back side of the radiating base plate (1). The LED light source module (2) is fixedly connected with the radiating base plate (1), and heat is conducted from the LED light source module to the radiating base plate (1) through the radiating circuit substrate (22). The light transmission protective cover (3) is hermetically connected with the radiating base plate (1). | 06-30-2011 |
20110181183 | LED LAMP WITH HEAT DISSIPATION MEMBER - An LED lamp includes at least one LED mounted on a PCB, a floodlight cover, a power source base, and a heat dissipation transfer member. The floodlight cover transmits light from the at least one LED and has an inner face facing an upper inner space of the LED lamp. The power source base is coupled to a terminal at one end of the power source base and is coupled to the floodlight cover at the other end of the power source base. The power source base is made of an insulation material and forms a surface layer of the LED lamp from the one end of the power source base to the other end of the power source base. The power source base has an inner face facing a lower inner space of the LED lamp. The heat dissipation transfer member has a heat sink being in contact with the PCB, and a main body formed along with an entire surface of at least one of the inner face of the power source base and the inner face of the floodlight cover. The main body of the heat dissipation transfer member is faced with the entire surface without any space therebetween. | 07-28-2011 |
20110193479 | Evaporation Cooled Lamp - LED or other lamps that remove heat using evaporation of water or other coolant inside a lamp enclosure structure such as a glass bulb typically without the use of external heat sinks or fins. Optionally, the pressure inside the enclosure can be reduced to lower the boiling point of the coolant. One or more LEDs or other light source can be mounted on a support structure that conducts heat to an evaporation surface. A coolant, preferably water or alcohol (or a water/alcohol mixture), is included inside the structure and can be optionally wicked to the evaporation surface. Vaporized coolant condenses on the inside surface of the enclosure or bulb transferring heat to the ambient through the enclosure. The condensed liquid coolant can return to a pool in the bottom of the enclosure. | 08-11-2011 |
20110204779 | Illumination Source and Manufacturing Methods - A light source manufacturing method includes disposing LEDs upon a substrate having input pads for receiving an operating voltage for the LEDs, bonding a flexible PC board to the substrate, and using a thermally conductive adhesive bonding the substrate onto a planar region of a heat sink. | 08-25-2011 |
20110204780 | Modular LED Lamp and Manufacturing Methods - A method for forming a light source includes receiving an LED light module having a plurality of LEDs on a silicon substrate coupled to a flexible printed circuit and bonding the LED light module directly to a heat-sink with a thermal adhesive A base module with LED driver circuits is inserted into an interior channel of the heat sink and contacts of the LED driver circuits are connected to the LED light module. | 08-25-2011 |
20110234092 | LED LIGHT SOURCE AND LAMP COMPRISING SUCH A LED LIGHT SOURCE - A LED light source comprises:
| 09-29-2011 |
20110254441 | SOLID STATE LIGHT ASSEMBLY WITH CONTROL CIRCUIT - A light assembly that includes a cover, a housing coupled to the cover, and a lamp base coupled to the cover. The light assembly also includes a first circuit board disposed within the housing. The first circuit board has a plurality of light sources thereon. A heat sink is thermally coupled to the light sources and is disposed within the housing. The heat sink includes openings therethrough. Each of the outer edges is in contact with the housing. The light assembly also includes an elongated control circuit board assembly electrically coupled to the light sources of the first circuit board and the lamp base. The control circuit board extends through the openings. The control circuit board has a plurality of electrical components thereon for controlling the light sources. | 10-20-2011 |
20110273090 | LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER - A lighting device for a display device according to the present invention includes: discharge tubes | 11-10-2011 |
20110285288 | SOLID STATE LIGHTING DEVICE - A solid state lighting device includes a thermally conductive plate having a subassembly mounted to at least one side of the plate. Each subassembly includes a mounting frame with a back side and an open center, and a PCB supporting a plurality of LEDs with electrical leads extending therefrom. The PCB is supported by the frame so that the back of the PCB is flush with the back side of the frame. A cup-like light diffuser having a rim is secured to the front of the frame so that it surrounds the frame and covers the LEDs. Fastening devices fasten the subassembly against the one side of the plate so that the back of the PCB is in intimate thermal contact with the plate and the diffuser rim abuts the plate so that when the LEDs are energized via their leads, a maximum amount of light from the LEDs is directed through the diffuser and waste heat from the LEDs is efficiently conducted away by the plate which may also constitute a reflector. | 11-24-2011 |
20110285289 | Light Emitting Diode Bulb - A LED bulb comprising a support having at least one LED mounted on a first side, the at least one LED being electrically coupled to a circuit mounted on a second side of the support for driving the LED bulb at a first or a second light intensity level, the circuit comprising input terminals connectable to a power supply for receiving an input voltage; a LED driver component for adjusting the input voltage supplied to the at least one LED; a comparator circuit for detecting the input voltage and if above a threshold voltage closing a switch to drive the LED bulb at the first light intensity level. | 11-24-2011 |
20110291561 | LED LAMP - An LED lamp includes a circuit board with a plurality of LEDs switch and a lamp base made of heat dispersing material. The lamp base includes a fastening pedestal. The fastening pedestal includes an accommodating member, a shell, and a plurality of heat diffusion walls. The accommodating member defines a cavity configured for receiving the circuit board. The shell encloses the accommodating member. The plurality of heat diffusion walls connect the accommodating member to the shell. Each of two adjacent heat diffusion walls define an outlet. | 12-01-2011 |
20110298372 | LED Lamp - The invention discloses a LED lamp, including: a lamp body has illuminating surface and reflective panel, wherein the reflective panel reflects light then transmits by illuminating surface, both sides of reflective panel have axial strip-shaped notch while both ends of lamp body have lamp holder; two LED luminous components, cooperatively installed inside the strip-shaped notch of lamp body and the illuminating surface turns to reflective panel; a drive circuit installed inside lamp holder, and electrically connects with luminous components and illuminates LED luminous components. The light from LED light source of the invention transmits from illuminating surface after the diffuse reflection from reflective panel and multiple refractions from solid lamp body, increasing light-emitting area, and lights are bright, mild and even; with effectual lighting, lower power consumption, longer life-span and good for eyes, the invention is applicable widely to house, office, market, carriage with great economic and social benefit. | 12-08-2011 |
20110316418 | INDOOR ILLUMINATING DEVICE - An indoor illuminating device includes at least one lamp and a housing. The at least one lamp includes a heat sink and a light emitting portion. The housing includes opposite top wall and bottom wall. The bottom wall defines at least one opening corresponding to the at least one lamp. The heat sink is received in the housing, and the light emitting portion of the at least lamp exposes out of the housing through the at least one opening. The housing further defines a first ventilation opening and a second ventilation opening. The heat sink of the at least one lamp is disposed in an airflow path between the first and second ventilation openings. | 12-29-2011 |
20120013251 | LED ILLUMINATING DEVICE - An LED illuminating device includes a hollow housing including an open end and a closed end opposite to the open end, an LED substrate, a connector, a base held inside the housing; and a driving circuit accommodated in the base. A number of first vents are arranged on the lateral surface of the housing adjacent to the closing end, a number of second air vents are arranged on the lateral surface of the housing adjacent to the open end, and a space is formed between the surface of the base and the inner wall of the housing and communicated with the first vents and the second vents. | 01-19-2012 |
20120019137 | LIGHTING UNIT USING A RETRO-FORMED COMPONENT - An LED lighting system using a retro-formed component is disclosed. Embodiments of the invention make use of a component that has an external form factor of a structural element of a pre-existing light fixture. The component, for example, can be a power supply, or a heat sink with a connector. The component allows an LED lighting unit to be used without having the power supply and/or a heat sink take up space within what a consumer would normally see as the light bulb. In some embodiments the form factor is that of a screw-in socket such as an Edison E-26 socket. A connector or connectors can allow removal of the power supply portion of the lighting unit, or of the LED and possibly an optical element from the power supply. | 01-26-2012 |
20120019138 | LED LAMP FOR PRODUCING BIOLOGICALLY-CORRECTED LIGHT - 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. | 01-26-2012 |
20120019139 | LIGHT EMITTING DIODE BULB - An LED bulb includes an LED module having a PCB on which at least one LED element is mounted. A housing has a plurality of heat dissipating protrusions which protrude from an outer circumferential surface thereof, with a thread being formed on a predetermined portion of the housing. A light transmitting cover has a thread by which the cover can be fastened to the thread which is formed on the predetermined portion of the housing, in a threaded manner. Further, the LED bulb includes a bottom case into which an inverter for supplying a direct current to the LED module is inserted. The bottom case is inserted into the housing to be fastened to the housing. A socket is fastened to the bottom case. | 01-26-2012 |
20120025706 | LED LAMP WITH REPLACEABLE LIGHT UNIT - 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. | 02-02-2012 |
20120025707 | LED LAMP - The present invention relates to illuminating techniques, and provides an LED lamp includes a lamp body, an LED lath inside the lamp body, plug modules disposed at both ends of the lamp body, and driving powers electrically connected the LED lath with the plug modules. The lamp body includes a heat dissipating cover and a light-transmissive cover which are connected with each other. The LED lath includes a lath and a plurality of LEDs disposed along the length direction of lath. The end LEDs disposed at the both ends of the lath have light-emitting surfaces which are inclined and irradiated to the driving power. For the LED lamp provided in the present invention, each end LED disposed at the end of the lath has an inclined light-emitting surface. Accordingly, the light emitting from the end LEDs at the both ends could irradiate to the driving powers at the both ends, and thus avoiding the shadow of LED lamp, and improving the emitting effect. | 02-02-2012 |
20120025708 | LIGHT EMITTING DIODE BULB USING THERMAL CONDUCTOR - An LED bulb using a thermal conductor. The LED bulb includes an LED module having a PCB on which at least one LED element is mounted. A housing has a plurality of heat dissipating protrusions which protrude from an outer circumferential surface thereof, and is made of a thermal conductor, with a thread being formed on a predetermined portion of the housing. A light transmitting cover has a thread by which the cover can be fastened to the thread which is formed on the predetermined portion of the housing, in a threaded manner. An inverter supplies a direct current to the LED module. A heat dissipating plate is provided between the LED module and the housing to dissipate heat generated by the LED element. A socket is fastened to the housing. | 02-02-2012 |
20120032589 | LIGHT EMITTING DIODE LAMP - An LED lamp includes a first LED string and a second LED string connected in parallel to each other and a variable resistor connected in series with one of the first and second LED strings. The first LED string provides a first color temperature. The LED string provides a second color temperature difference from the first color temperature. The variable resistor includes a resistance track with resistance coils wound thereon and a slider moveable along the resistance track. When a position of the slider of the variable resistor is changed, an electric current flowing through the one of the first and second strings is changed accordingly to adjust the color temperature of the LED lamp. | 02-09-2012 |
20120038272 | Led and thermal management module for a vehicle headlamp - The LED headlamps for vehicles provide a modular efficient light source for vehicle headlamps. The invention addresses the LED negative temperature coefficient in efficient heat removal system. Beam direction and pattern is controlled by its composite lens beam shaping mechanism. The beam targeting using the LED source is done through beam shaping via lens surface shaping, lens curvature contouring and composite lens component offsetting from the LED source or outgoing beam axis to direct the light beam. | 02-16-2012 |
20120043885 | LED LAMP WITH CIRCLING LED MODULES AND ENCAPSULATION - An LED lamp includes at least one LED module, an electrical sleeve configured for electrically connecting with a bulb socket, a heat dissipation element, and an encapsulation covering the at least one LED module. The heat dissipation element is arranged with one end connected to the electrical sleeve and the opposite end exposed. The at least one LED module and the encapsulation encircle the heat dissipation element. | 02-23-2012 |
20120098424 | LIGHTING SYSTEM WITH THERMAL MANAGEMENT SYSTEM HAVING POINT CONTACT SYNTHETIC JETS - 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. | 04-26-2012 |
20120098425 | LIGHTING SYSTEM WITH HEAT DISTRIBUTION FACE PLATE - 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. | 04-26-2012 |
20120119647 | POTENTIAL CONTROL OF HEAT SINK IN SOLID-STATE LIGHT DEVICE - Higher power light emitting diode (LED) modules are thermally managed by thermal coupling to a heat sink. An ion wind fan can be used to provide forced convection for the heat sink. In such a light device, in one embodiment the present invention includes electrically connecting the heat sink to the low voltage terminal of the LED driver, thereby controlling the potential of the heat sink. | 05-17-2012 |
20120146503 | LINEAR LED LAMP - A linear LED lamp is disclosed. Embodiments of the invention can provide an LED-based replacement lamp for a linear or “tube-type” bulb or a bulb with a linear filament or element. By filling the void within the lamp with an optically transmissive fluid to cool the LEDs without the use of a traditional heat sink, the light blocking effects of such a heat sink can be avoided. Thus, the LED replacement lamp can emit light in a substantially omnidirectional pattern. In some embodiments, the optically transmissive fluid medium is a liquid. In some embodiments, the optically transmissive fluid medium is a gel. An index matching medium can be used as the optically transmissive fluid medium. A color mixing treatment can optionally be included to eliminate color tints in cases where multiple LEDs of different colors are used to produce white light. | 06-14-2012 |
20120161625 | LIGHT EMITTING DIODE LIGHTING DEVICE - 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. | 06-28-2012 |
20120161626 | LED LAMP WITH HIGH COLOR RENDERING INDEX - An LED lamp with a high color rendering index (CRI) is disclosed. Example embodiments of the invention provide an LED lamp with a relatively high color rendering index (CRI). In some embodiments, the lamp has other advantageous characteristics, such as good angular uniformity. In some embodiments, the LED lamp is sized and shaped as a replacement for a standard incandescent bulb, and includes an LED assembly with at least first and second LEDs operable to emit light of two different colors. In some embodiments, the lamp can emit light with a color rendering index (CRI) of at least 90 without remote wavelength conversion. In some embodiments, the LED lamp conforms some, most, or all of the product requirements for a 60-watt incandescent replacement for the L prize. | 06-28-2012 |
20120161627 | LED ILLUMINATING DEVICE - An LED illuminating device includes a housing including a first open end and a second open end, and a base including an upper base fixed on the first open end and a bottom base held inside the housing. An LED substrate is mounted on the upper base and includes a number of LEDs. A number of first vents are defined in the upper base, and a number of second vents are defined on the second open end of the housing. A space is formed between the lateral wall of the bottom base and the inside wall of the housing, and communicates with the first vents and the second vents. | 06-28-2012 |
20120161628 | LED ILLUMINATING DEVICE - 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. | 06-28-2012 |
20120169227 | LED based lamp replacment - The present invention provides an energy efficient replacement for a standard incandescent lamp using LED devices which direct their light output into a light transmissive medium which is also capable of radiating the transmitted light outwardly in a plurality of directions. More particularly, the present invention provides an incandescent lamp replacement which is virtually identical in external form factor to the standard incandescent lamp. | 07-05-2012 |
20120169228 | EXTERNAL ELECTRICAL-CONTROL LAMP WITH IMPROVED STRUCTURE - An external electrical-control lamp with improved structure includes a light-emitting diode lamp ( | 07-05-2012 |
20120176033 | LIGHT EMITTING DIODE WITH OSCILLATOR - 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. | 07-12-2012 |
20120187831 | LED Lighting System - LED lighting systems and methods of manufacture, which include one or more of the following: (1) a solid state active heat sink for cooling one or more LED chips; (2) a front end power supply providing high voltage to the active heat sink component; (3) a front end power supply that provides a relatively low voltage load to a plurality of LED chips; (4) a front end hybrid power supply with both a high and low voltage output, wherein the high voltage is at least 2 kV higher than the low voltage output; (5) an over-mold encapsulating the front end components, wherein the over-mold is provided by a reaction injection molding process; (6) a digital micro-minor device (DMD) for providing pixilated light, color mixing, and intensity control; and (7) an optic having quantum dots (QDs), wherein the light output of the DMD activates for the QDs. | 07-26-2012 |
20120194071 | Multi-tubular LED Light Bulb - The multi-tubular LED light bulb has a seat having a power plug, multiple glass tubes mounted on the seat, multiple multi-directional lighting LED strips respectively mounted inside the glass tubes and an AC to DC converting circuit board mounted inside the seat and connected to the power plug to obtain AC power and converting the AC power to DC power. The multi-directional lighting LED strips are electronically connected to the DC power source from the AC to DC converting circuit in parallel. Since the LED light bulb has multiple multi-directional lighting LED strips, different directional lightings and even brightness are provided. Further, heat from the LED strip is easily and quickly transmitted to the sidewall of the glass tube to expend the lifetime of the LED light bulb since the multi-directional lighting LED strips are close to a sidewall of the corresponding glass tube. | 08-02-2012 |
20120212129 | Dimmable LED Bulb With Convection Cooling - A light-emitting diode lamp includes a light engine, a power assembly, and a heatsink. The light engine includes a plurality of light-emitting diodes, and the power assembly includes a socket disposed at one end of the power assembly and a heat spreader plate disposed at another end of the power assembly opposite the socket. The light engine is mounted to the heat spreader plate. The power assembly further includes a power supply circuit that is electrically coupled to the socket and to the light engine. The socket is configured to electrically couple the power supply circuit to an external electrical source. The heatsink encircles the power assembly and is thermally connected to the light engine. The heatsink also includes a plurality of perforations, which are arranged to facilitate a natural convection airflow over and through the heatsink. | 08-23-2012 |
20120229025 | VAPOR-TIGHT LIGHTING FIXTURE - This invention provides a vapor-tight luminaire that maintains a moisture-proof, sealed lower housing for the light-producing lamps (fluorescent lights, LED arrays, etc.) while isolating the electronic components in a separate, upper housing that is spaced apart from, and largely thermally isolated from, the lamps. The lamp housing comprises a unitary non-penetrated tubular lens with one or more removable end caps, sealed by gaskets. The lamp assembly is slidably mounted within the lower housing so that it is readily removable and replaceable with another assembly of the same or different type. The electronics in the upper housing is readily accessible and replaceable by removing a top cover that encloses a three sided channel member. The upper housing is metal and desirably enhances heat exchange with the environment. The two housings are held together by a pair of opposing end cap structures that include a housing end and a removable end cap. The housing end includes an upper plate that is fastened against an adjacent end of the upper housing's channel member. This compresses gaskets that stand between the respective ends of the lens and a lower ring on each housing end. The electronics of the upper housing is interconnected via a wiring harness connector to an end connector in on the lamp assembly. The wiring harness passes between the two housings free of penetration of the lens. | 09-13-2012 |
20120262061 | LED LAMP TUBE - 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. | 10-18-2012 |
20120274211 | LED light bulb - A LED light bulb includes a bulb casing, a control circuit, a light reflective heat sink, a supporting member and a plurality of LEDs. The supporting member is mounted in a receiving cavity of the bulb casing at a position having physical contact with the light reflective heat sink. The LEDs are spacedly provided on the supporting member to form a LED matrix thereon, wherein when the LEDs are activated to generate light, the light generated by the LEDs is arranged to be reflected by the supporting member and the light reflective heat sink to form high intensity illumination of the LED light bulb, while heat generated by the LEDs are effectively transferred and dissipated by the light reflective heat sink through the supporting member so as to prevent overheating in the receiving cavity. | 11-01-2012 |
20130033176 | LIGHT EMITTING DIODE LUMINAIRE FOR CONNECTION IN SERIES - The present disclosure relates generally to a light emitting diode (LED) luminaire. In one embodiment, the LED luminaire includes a base, a heat sink coupled to the base, a power supply coupled to an interior volume of the heat sink, one or more LEDs coupled to the power supply, wherein the one or more LEDs are coupled to a circuit configured to provide a constant input impedance and a lens coupled to the heat sink and enclosing the one or more LEDs. | 02-07-2013 |
20140285086 | DEVICE FOR GENERATING MICROWAVES - A device for generating microwaves has a plurality of separately controlled microwave generators. Each of the generators includes a resonator, each with a capacitor structure formed with two electrodes that are separated by a spark gap. A high voltage supply charges the individual capacitor structures, which can be discharged by a breakdown of the spark gap. The individual capacitor structures are charged up by way of the high voltage supply device to a voltage that lies below the breakdown voltage of the individual spark gaps. A triggering device for triggering a breakdown of the respective spark gap is associated with each spark gap and the triggering devices are individually controlled by a common control device. | 09-25-2014 |
20140306603 | METHOD AND APPARATUS FOR IRRADIATING A SEMI-CONDUCTOR WAFER WITH ULTRAVIOLET LIGHT - An apparatus for generating ultraviolet light and irradiating a 450 mm diameter semi-conductor wafer. The apparatus includes a plenum and an array of nine RF irradiator units coupled with the plenum. Each irradiator unit includes a plasma lamp bulb and an RF generator operable to generate a radiation energy field to excite the plasma lamp bulb and emit the ultraviolet light. The nine irradiator units are arranged in three rows with three of the irradiator units in each row. | 10-16-2014 |
20150294831 | LOGIC FUNCTION GENERATION FROM SINGLE MICROPLASMA TRANSISTOR DEVICES AND ARRAYS OF DEVICES - Logic devices are provided in multiple sub-collector and sub-emitter microplasma devices formed in thin and flexible, or inflexible, semiconductor materials. Logic operations are provided with one of a plurality of microplasmas forming sub-collectors with a common emitter, or a common collector plasma with a plurality of sub-emitter regions in a solid state semi-conductor pn-junction, and generating a logic output from an electrode, based upon electrode inputs to two other electrodes. | 10-15-2015 |
315036000 | Series connected discharge devices | 3 |
20090200946 | Method For Power Supplying Of A Plurality Of Cascade Connected Light Sources - According to a method for supplying a plurality of cascade connected light sources including, a control signal (k) is sent to a supply apparatus (AA). The control signal corresponds to a desired value of light radiation intensity to be emitted by at least a part of said the light sources, An electric current (z) with variable frequency is supplied to the plurality of light sources (SL | 08-13-2009 |
20100176724 | LED Tubular Lighting Fixture - A tubular LED lighting fixture comprises: a heat sink shell; a printed circuit board supported on the shell and having an upper surface and a bottom surface, longitudinally extending laterally spaced wiring on the upper and bottom surfaces, and, transverse heat pipes running through the printed circuit board; a plurality of LEDs connected in series across the laterally spaced upper surface wiring and spacedly mounted along the printed circuit board; a high frequency electronic driver mounted in the shell and connected in series with the LEDs; voltage limiting devices mounted across the laterally spaced bottom surface wiring of the printed circuit board and in parallel with the LEDs; a lens bonded to the shell covering the printed circuit board for directing and delivering light from the LEDs, the shell and lens forming a tube for enclosing the LED bearing printed circuit board; the tube so formed having sealed ends to form a watertight fixture; and, input wires extending from the high frequency electronic driver through at least one of the tube sealed ends. | 07-15-2010 |
20160076753 | LED LIGHTING APPARATUS WITH IMPROVED HEAT RADIATION PROPERTY - Provided is an LED lighting apparatus with an improved heat radiation property, which is capable of effectively radiating heat generated therein. The LED lighting apparatus may include: a light source unit comprising a plurality of LED groups each having one or more LEDs; and a driving unit configured to provide a current path corresponding to light emission of the light source unit. The light source unit and the driving unit may be arranged on the same substrate so as to be separated from each other. Among the plurality of LED groups, the LED group having the largest heat value may be arranged farthest away from the driving unit, compared to the other LED groups. Through the above-described arrangement, the heat radiation property of the LED lighting apparatus can be improved. | 03-17-2016 |
315037000 | Cathode-anode circuit connected to the discharge control electrode of another discharge device load (e.g., cascade) | 1 |
20110291562 | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A lighting device of the present invention includes a number of discharge tubes | 12-01-2011 |