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Patent # Description
US-8,143,808 Circuit for a motor vehicle, in particular for actuating a lighting device
A circuit is provided for actuating a lighting device in a motor vehicle. The circuit includes first and second light sources, that may include one or more...
US-8,143,807 Color temperature controller and color temperature control method of light emitting diode
This invention discloses a color temperature controller and a color temperature control method of a light emitting diode (LED). The color temperature controller...
US-8,143,806 Multiple location dimming system
A multiple location dimming system comprises a plurality of dimmers coupled between an AC power source and a lighting load. Each of the plurality of dimmers is...
US-8,143,805 System and method for selectively dimming an LED
Embodiments of the present disclosure include an LED ballast circuit for dimming one or more LEDs using a phase controlled dimmer switch. The LED ballast...
US-8,143,804 Light source driving device
A light source driving device includes a power factor correction (PFC) circuit, a power stage circuit, a power conversion circuit, a balancing circuit, an...
US-8,143,803 Lamp control circuit and method of driving a lamp
In a method of driving a lamp using a lamp control circuit, the lamp control circuit comprises a communication circuit and a lamp driving circuit. The lamp...
US-8,143,802 Method of driving discharge lamp, driving device, and projector
A method for driving a discharge lamp that supplies an AC current to a discharge lamp having a first electrode and a second electrode so as to produce discharge...
US-8,143,801 Electrodeless lamps and methods
An electrodeless plasma lamp and method of generating light are described. The lamp may comprise a lamp body, a source of radio frequency (RF) power and a bulb....
US-8,143,800 Circuits and methods for driving a load with power factor correction function
A circuit for driving a load includes a power line, converter circuitry, and a controller. The power line is operable for providing an input current and an...
US-8,143,799 Light emitting diode driving circuit
A LED driving circuit includes a transformer, a rectifying filtering circuit, a PWM IC, a constant current circuit, and a feedback circuit. The transformer has...
US-8,143,798 Driving device and driving method for discharge lamp, light source device, and image display apparatus
A driving device for a discharge lamp includes: a discharge-lamp lighting unit that supplies an alternating current to the discharge lamp to thereby supply...
US-8,143,797 DC/AC inverter
A direct current to alternating current (DC/AC) inverter is for driving a fluorescent lamp through quasi sine wave generation. The DC/AC inverter includes a...
US-8,143,796 Electronic ballast with controlled filament preheating using half-wave lamp current detection
An electronic ballast is provided for controlled preheating of filaments in a discharge lamp. A power converter has a plurality of switching elements and...
US-8,143,795 Circuit arrangement for firing a discharge lamp
A circuit arrangement for starting a discharge lamp, comprising: a first and a second input terminal for connecting an input voltage; an inverter, which has an...
US-8,143,794 Low voltage light source driving circuit
A low voltage LED (Light Emitting Diode) driving circuit operates under low supply voltage to provide stable and reliable control of LEDs. The LED driving...
US-8,143,793 Device and method for periodic diode actuation
An energy efficient illumination device is provided in which energy consumption is reduced by using a pulse generating circuit which provides power to LEDs in...
US-8,143,792 Light-emitting diode backlighting systems
Lighting system embodiments are provided to energize and calibrate strings of light-emitting diodes. These embodiments are particularly useful for calibration...
US-8,143,791 Control system for light-emitting device
A control system for a light-emitting device may include test circuitry, photodetectors, and process circuitry. The test circuitry is configured to sequentially...
US-8,143,790 Method for inductively-driven plasma light source
A method for producing light includes introducing an ionizable medium for generating a plasma into a chamber. The method also includes applying at least one...
US-8,143,789 Illumination system
An illumination system includes an LED lamp, a timer, a controlling circuit, a driving circuit and a power source electrically connected together. The timer...
US-8,143,788 Compact high current rare-earth emitter hollow cathode for hall effect thrusters
An apparatus and method for achieving an efficient central cathode in a Hall effect thruster is disclosed. A hollow insert disposed inside the end of a hollow...
US-8,143,787 Xenon lamp
A xenon lamp having a lamp tube made of silica glass containing titanium oxide and having a discharge chamber with a light emitting part containing xenon and in...
US-8,143,786 Plasma display panel
A plasma display panel includes a front panel including a glass front substrate, a display electrode formed on the substrate, a dielectric layer formed so as to...
US-8,143,785 Plasma display device having an anisotropic conductive film
A plasma display device includes a plasma display panel for displaying an image by a gas discharge. A chassis base is attached to the plasma display panel and...
US-8,143,784 Display device
A display device includes a transparent plate having a first area and a second area, a first conductive line on the second area of the transparent plate, a...
US-8,143,783 Display apparatus
A display apparatus for displaying indications using liquid crystal or Light-Emitting Diodes (LEDs) that includes a 12-segment display, including a first...
US-8,143,782 Organic light emitting display
An organic light emitting display that can avoid or reduce scratched wires and dark spot defects. The organic light emitting display includes a pixel substrate...
US-8,143,781 Organic electroluminescent compounds with high efficiency and display device using the same
The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the...
US-8,143,780 Organic electroluminescent structure having a red color luminescent-electron transport layer
An organic electroluminescent structure has a first electrode, a first primary color luminescent patterned layer disposed on the first electrode, a second...
US-8,143,779 System for displaying images employing tandem electroluminescent device
A system for displaying images is provided. The system includes a tandem electroluminescent device having a first electrode. N electroluminescent units are...
US-8,143,778 Organic-inorganic lighting device and a method for fabricating the same
An organic-inorganic lighting device and a method for fabricating the same is disclosed. Firstly, a conductive substrate is provided, and an inorganic...
US-8,143,777 LED lighting unit with LEDs and phosphor materials
An LED lighting unit can be configured to have a high color rendering for which color temperature can adjust itself to be close to a natural color. The LED...
US-8,143,776 Luminescent screen and image display apparatus
An image display apparatus includes a rear plate including an electron-emitting device; and a luminescent screen including a plurality of light-emitting...
US-8,143,775 Two-way reciprocal amplification electron/photon source
In one embodiment of the present invention, an electron/photon source is disclosed based on field emission, cathodoluminescent and photo-enhanced field...
US-8,143,774 Carbon based field emission cathode and method of manufacturing the same
According to example embodiments, a method for manufacturing a field emission cathode includes providing a liquid compound comprising a liquid phenolic resin...
US-8,143,773 Spark plug
When an insulator of a spark plug receives an external force in a bending direction perpendicular to an axis at a rear end side body portion, a position C where...
US-8,143,772 Spark plug comprising a ground electrode support
The invention relates to a spark plug of an internal combustion engine, especially for use in Otto gas engines. Said spark plug comprises, supported by an...
US-8,143,771 Filter and display device having the same
A filter for a display device includes a base substrate, a shielding film formed based on a single transparent base layer, and an adhesive layer adhering the...
US-8,143,770 LED bulb structure having insertion end, and/or heat dissipation element, and/or heat-and-electricity separated...
An LED bulb structure having an insertion end includes a first electrically conducting pin, a second electrically conducting pin having a die pad at an end...
US-8,143,769 Light emitting diode (LED) lighting device
An LED lighting device comprises: a thermally conducting body having an at least one opening that connects with a cavity within the body and a plurality of LEDs...
US-8,143,768 Miniature mechanical resonator device
Novel configurations for a miniature vibrating beam mechanical resonator provide low energy transfer to a supporting structure and low sensitivity to mounting...
US-8,143,767 Compact thermoacoustic array energy converter
A thermoacoustic array energy converter consists of heat driven thermoacoustic prime movers in parallel coupled by means of an acoustic cavity to a...
US-8,143,766 Harvesting energy from vehicular vibrations using piezoelectric devices
An energy harvesting apparatus for deployment on a vehicle having a frame includes a spring assembly coupled to the frame and configured for compressions and...
US-8,143,765 Self-powering headset, devices and related methods
In one aspect, the invention relates to a headset that includes an element that generates energy in response to forces. The headset includes at least one...
US-8,143,764 Flat stacked-type conductive polymer actuator
A first conductive polymer film, a plate-shaped first porous member, a second conductive polymer film, and a plate-shaped second porous member are stacked on...
US-8,143,763 Linear piezoelectric nano-positioner
A linear piezoelectric nano-positioner includes an armature configured to be translated along a longitudinal axis and having oppositely-disposed bearing...
US-8,143,762 Elastic wave device using SH waves as the principal component
An elastic wave device that achieves an improved frequency-temperature characteristic and a sufficiently reduced spurious component includes a piezoelectric...
US-8,143,761 Motor assembly
A motor assembly includes a flexible base mount having an integrally formed axial tube, support ledges disposed on the axial tube to axially support a stator...
US-8,143,760 Miniature electrical drive and magnetic return path element, and method for its production
The present invention relates to a miniature electrical drive (1), in particular a rotating field drive with permanent magnet excitation, having a stator (2)...
US-8,143,759 Laminated stator assembly
A stator core for a generator includes a multiple of core laminations along an axis, each of the multiple of core laminations define at least one leg which...
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