Electric lamp and discharge devices: systems inventions 06/06

20060138965 - Magnetron: A magnetron which generates a high-frequency energy in the Terahertz band is provided. The magnetron includes a cathode unit, which is connected to a terminal of a power source, and which selectively emits an electron according to when power is supplied; an anode block, which is connected to another terminal...

20060138966 - Ion accelerator arrangement: The invention relates to an ion accelerator arrangement which uses a combination of a magnetic field having a cusp structure and a cross-section of an ionisation chamber that is extended in one direction transversally in relation to the longitudinal axis. This enables the ionic current to be advantageously scaled....

20060138967 - Drive circuit of computer system for driving a mode indicator: A drive circuit of a computer system is for driving a mode indicator. The computer system includes a first port and a second port. The mode indicator includes a first receiving end and a second receiving end. The drive circuit includes a first input end connected to the first port,...

20060138968 - Ballast with filament heating control circuit: A ballast (10) for powering at least one gas discharge lamp (20) having lamp filaments (22,24) comprises an inverter (200), an output circuit (300), a filament heating control circuit (400), and a dimming control circuit (500). Filament heating control circuit (400) is coupled to the dimming control circuit and at...

20060138969 - Light emitting diode assembly using alternating current as the power source: An LED assembly includes a first LED unit and a second LED unit, the latter is coupled electrically to the first LED unit in such a manner that each of the first and second LED units defines a current-flow direction in reverse order so that once Alternating Current is applied,...

20060138970 - Stabilizer circuit for high-voltage discharge lamp: A stabilizer circuit for a high-voltage discharge lamp is provided. The stabilizer comprises an electromagnetic interference (EMI) filter; a rectifying unit; a power factor correction (PFC) circuit; a buck converter; a commutator; an igniter; a high-voltage discharge lamp; a current detector; a voltage detector; an igniter voltage controller for receiving...

20060138972 - Apparatus for driving cold cathode fluorescent lamps: A starting voltage adjustment circuit (70), which can vary starting voltages to CCFLs (40) according to variations in the temperature of the immediate environment, is employed in an apparatus for driving CCFLs. The starting voltage adjustment circuit includes a zener diode (710), a thermal resistor (720), and a voltage dividing...

20060138971 - Led driving circuit: An LED driving circuit that is directly activated by an AC power supply is disclosed. A driving circuit has a first and second pair of opposite branches. The first pair of opposite branches operates in a positive half cycle of the AC power supply and the second pair of branches...

20060138973 - Switching power supply device and method of controlling the switching device: According to one embodiment, the switching power supply device comprises a DC-DC converter, an alternating current driver circuit, a smoothing capacitor and control circuitry. The control circuitry operates for adjusting a phase of an oscillation signal from the alternating current driver circuit to coincide start time points of current conducting...

20060138974 - Plasma display device: A plasma display device provided with a green color phosphor which is charged entirely with a positive potential, adsorbs only limited amounts of water, carbon monoxide, carbon dioxide and hydrocarbon, and not liable to cause chemical reaction thereto. A green color phosphor layer is formed of the green phosphor comprising...

20060132044 - Discharge lamp lighting device and lighting system: When a discharge lamp is preheated, impedance of a filament electrode of the discharge lamp is computed. In accordance with the computed impedance, preheating and lighting of the discharge lamp are controlled....

20060132045 - Heating system and heater: An inductively power heating system includes an inductive power source for supplying power to an inductive heater. The inductive heater may include a resistive heater and a multiple coil secondary. A heater control within the inductive heater may control the power supplied to the resistive heater, and thereby control the...

20060132046 - Device for generating and/or influencing electromagnetic radiation from a plasma: A device generates and/or influences electromagnetic radiation from a plasma, for the lithographic production of semiconductor elements. For example, the device generates and/or reflects EUV-radiation for EUV-lithography. In a first example, a magnetic means (10) generates at least one inhomogeneous magnetic field (11) and is provided as means for the...

20060132047 - Portable fluorescent task lamp: A portable hand held fluorescent task lamp comprising at least two compact fluorescent lamp (“CFL”) bulbs of any wattage and of either a non-starting type or a self-starting type; an electronic ballast circuit; and an SPST function switch disposed in series with each CFL bulb, wherein the CFL bulbs may...

20060132048 - Light emitting device and associated methods of manufacture: A light emitting device has an enclosure with a face portion, a cold cathode within the enclosure, a phosphor layer disposed on an interior surface of the face portion, an extracting grid between the cold cathode and the phosphor layer and a defocusing grid between the extracting grid and the...

20060132050 - Display device: A display device uses electron accelerating layers in conjunction with electrodes at different voltages to emit electron beams with energy levels sufficient to excite a gas, which emits ultraviolet rays that in turn excite a light emitting layer to emit visible light. The use of electron accelerating layers makes it...

20060132049 - Plasma display panel lighting inspecting method: Disclosed is an improved method of performing lighting inspection on a plasma display panel. In a plasma display panel, a plurality of cells is formed at an intersection of each electrode disposed in a row direction and in a column direction of the panel. A field is formed of a...

20060132051 - Active matrix pixel drive circuit for oled display: A display device has a plurality of pixels, each pixel having a current-driven display element (2) coupled between a first conductive layer (28) and a second conductive layer (27), the second conductive layer (27) being coupled to a current supply (26) via a switchable device (12) having a thin film...

20060132056 - Electroluminescent device and method of driving the same: The present invention relates to an electroluminescent device, particularly to an organic electroluminescent device reliably receiving driving voltage from a voltage source, and a method of driving the same. A driving circuit of the electroluminescent device includes first to third sub-pixels formed on crossing areas of data lines and scan...

20060132052 - Electron-emitting apparatus and method for emitting electrons: An electron-emitting apparatus includes an electron-emitting element having a lower electrode, an emitter section having a dielectric material, and a plurality of upper electrodes having micro through holes, and a drive voltage applying circuit having a circuit for applying a drive voltage Vin between the lower electrode and the upper...

20060132057 - Laser circuit substrate: This invention makes it possible to meet a requirement of high-quality image printing and high-speed driving of a semiconductor laser driver in a laser beam printer or the like while suppressing radiant noise. A laser circuit substrate includes a first wiring pattern and second wiring pattern connected to a main...

20060132055 - Organic light emitting display and method of fabricating the same: An organic light emitting display includes pixel power source lines electrically connected with each other by metal lines to make the voltage levels of the pixel power sources uniform and reduce the voltage drops of the pixel driving power sources....

20060132054 - Pixel and light emitting display using the same: A pixel capable of displaying a uniform image in spite of process variation is disclosed. The pixel includes an organic light emitting diode display (OLED), a first transistor for controlling current that flows from a first power source to the OLED in response to a data signal, a second transistor...

20060132053 - Pixel circuit and driving method for active matrix organic light-emitting diodes, and display using the same: Disclosed herein are a pixel circuit and driving method for active matrix Organic Light-emitting Diodes (OLEDs), and a display using the same. The pixel circuit includes a Voltage Control Current Source (VCCS), a high gain amplifier, a storage capacitor, and first and second switches. The VCCS is configured to drive...

20060132058 - Apparatus for limiting maximum output of each transmission channel of mobile communication terminal and method thereof: An apparatus for limiting the maximum output of each transmission channel of a mobile communication terminal and a method thereof are provided. The method includes detecting output powers of signals, calculating differences between the detected output powers and output powers previously stored in a terminal when the detected output powers...

20060132059 - Lamp lighting circuit and device, and lamp lighting apparatus and device: The present invention relates to a lamp lighting technique for lighting multiple lamps safely without luminance irregularities. The present lamp lighting circuit includes multiple closed loops wherein a predetermined number of lamps and the secondary windings of the predetermined number of transformers are connected serially. At least one of the...

20060132064 - Burst pulse circuit for signal lights and method: A circuit is provided for over-driving a super-luminescent light emitting diode having a maximum forward continuous current rating. A power supply provides a pulse width modulated signal to an analog memory connected to the power supply and a pulse generator. The pulse generator includes a window comparator engaged with the...

20060132062 - Current detection circuit, and power supply apparatus, power supply system and electronic apparatus using the current detection circuit: In the current detection circuit that detects the output currents of a switching power supply circuit, an improved current detection circuit makes it possible to detect the output current directions of power supplies solves the malfunction of the power supplies vibrating or diverging during changes in load state and during...

20060132063 - Method and apparatus for controlling driving current of illumination source in a display system: The present application describes a programmable current controller for regulating an operating driving current flowing through an illumination source. The driving current is regulated according to a digital reference corresponding to a predetermined operating current for the illumination source. The digital reference can be converted into a reference electrical parameter...

20060132061 - Power control methods and apparatus for variable loads: A switching power supply is modified to mitigate potentially adverse effects of near zero loads on power delivery. In one example, a processor-controlled dummy load is coupled to the power supply output in addition to an actual load. The dummy load is controlled so that at least some minimal load...

20060132060 - Power saving method and apparatus for electronic device: A power-saving apparatus and a power-saving method are disclosed for electronic device. A power-saving program is stored in the electronic device and is activated to a detecting and stand-by scanning state when the electronic device is turned on. The power-saving program detects the operation of an input unit with reference...

20060132065 - Lighting control system and method: A lighting control system includes a plurality of light controllers. Each light controller contains a microprocessor-based intelligence. The plurality of light controllers form a distributed architecture. The microprocessor-based intelligence is operative to store, calculate, and execute complex lighting scenarios. The microprocessor-based intelligence executes a lighting control script during operation. The...

20060132066 - Synchronization of lamp stabilizing pulses with frame rates of pwm lcos devices: A lamp synchronization signal may be used in an LCOS imaging environment, such as a projection system....

20060132067 - Bias circuit and method for operating the same: A bias circuit and a method for operating the same minimizes a picture distortion. The bias circuit includes a main capacitor and a plurality of sub capacitors for compensating picture distortion, a controller provides control signals having different duty cycles, and a plurality of switches receiving each of the switch...

20060132068 - Ion source apparatus and method: The invention relates to a method and apparatus that can improve the lifetime and performance of an ion source in a cyclotron. According to one embodiment, the invention comprises an ion source tube for sustaining a plasma discharge therein. The ion source tube comprises a slit opening along a side...

20060125403 - Display device having an electron gun with pre-focusing lens portion: This invention relates to a display device comprising a cathode ray tube (1), the cathode ray tube having an electron gun (7) comprising a pre-focusing lens portion, for generating a pre-focusing lens field (22), and a main lens portion, for generating a main lens field (23). The electron gun (7)...

20060125404 - Discharge lamp with internal starting electrode: An arc discharge light source (10) for automotive headlight applications comprises an arc tube (12) having a hollow body (14) arrayed a long a longitudinal axis (16) and provided with first and second ends (18, 20). The first and second ends have, respectively, first and second jointure areas (22, 24)...

20060125405 - Green sheet and method for manufacturing plasma display panel: A green sheet, and a method for manufacturing a plasma display panel are provided. The sheet comprises a base film; a dielectric dry film formed on the base film, and comprising a glass powder, a polymer binder of 15 wt % to 30 wt %, and a plasticizer of 1.5...

20060125406 - Plasma display panel having a plurality of bi-discharge sources and related method of sustaining discharge waveform: A plasma display panel having a plurality of bi-discharge sources comprising a front substrate and a rear substrate coupled in parallel; a plurality of first electrodes, second electrodes and third electrodes in parallel disposed over the front substrate along a first direction; a plurality of rear substrate walls disposed in...

20060125410 - Ac powered oled device: AC powered light emitting device comprises a plurality of organic light emitting diode (OLED) modules. The OLED modules are arranged into a series group where the individual OLED modules are electrically connected in series. The device is configured to be coupled to an AC power supply. A display is also...

20060125411 - Capacitive-load driving circuit capable of properly handling temperature rise and plasma display apparatus using the same: A capacitive-load driving circuit has a configuration in which a driving power supply source is connected to an output terminal via a driving device. The capacitive-load driving circuit has a power distributing circuit inserted between the driving power supply source and the driving device. Therefore, temperature rise (power consumption) in...

20060125409 - Organic electro-luminescence device and method for driving the same: An organic electro-luminescence device according to an embodiment includes a light-emitting device in a pixel for emitting light; a data line for providing a data voltage; and a driving transistor connected to the light emitting device, wherein when the driving transistor is turned on to drive the light-emitting device, a...

20060125407 - Organic electroluminescence display device and method for fabricating the same: The present invention relates to an organic electroluminescence display device capable of reducing the width of wiring without a voltage drop by contacting the lower lines and the upper lines with a contact member such as a solder ball, conductive paste or ACF in a sealing process, thereby forming a...

20060125408 - System and driving method for active matrix light emitting device display: Active matrix light emitting device display and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A capacitor may be used to store a voltage applied to a driving transistor so that a current through the light emitting device is independent of...

20060125412 - Pixel driving circuit and pixel driving method: A pixel driving circuit for use in an Active Matrix Organic Light Emission Display (AMOLED) . A pixel driving method for use in the AMOLED. The pixel driving circuit comprises a current source, a driving pump, and a discharge circuit. A fixed current is provided by the current source. The...

20060125413 - Method for controlling power supply through multiple modulation modes: A method for controlling power supply through multiple modulation modes aims to control an inverter of a selective characteristic through a cycle control signal of varying modulation modes to ensure that the inverter and the load on the rear end function in a reliable characteristic range and prevent the load...

20060125414 - Lamp lighting circuit: The lamp lighting circuit prevents a malfunction in which a lamp is tuned on momentarily during an initial stage of the power input. When the power source is lit, the malfunction prevention circuit prevents the activation of the oscillation circuit and/or the driving circuit 3a until when the output control...

20060125417 - Ballast having multiple circuit failure protection and method for ballast circuit protection: A ballast for a gas discharge lamp comprising a first circuit portion for providing power to a lighting load and a second circuit portion for processing data exchanged with a communication link, the first circuit portion receiving power from an AC main supply for conversion to a form suitable to...

20060125420 - Candle emulation device: According to one embodiment of the invention, a candle emulation device comprises a light source, a light source controller and an optional fragrance-release mechanism. The light source controller is coupled to the light source and is adapted to control the light source in order to produce a lighting effect that...

20060125419 - Control circuit of power supply with selectable current-limiting modes: The present invention discloses a control circuit of power supply with selectable current-limiting modes, wherein the control circuit which maintains the power-output circuit of the power supply within the energy-limiting standard is performed with automatic detection mode. In the present invention, a current-limiting set unit of the control circuit is...

20060125415 - Method and device for driving a metal halide lamp: A method for driving a metal halide lamp (1) is described, the method comprising the step of generating a light controlling DC electric field E with a desired direction and a desired strength inside the lamp such as to obtain a desirable ion distribution inside the lamp. The lamp is...

20060125418 - Power supply for led signal: A power supply for a Light Emitting Diode (LED) traffic signal that controls the light intensity. The light intensity conforms to a predetermined pattern based on the input voltage root mean square value (Vrms). The input voltage is changed by acting on the amplitude of the sine wave or by...

20060125416 - Two light level ballast: An electronic ballast (100) for powering at least one gas discharge lamp (30) at two light levels includes a full-wave rectifier circuit (120) and a detector circuit (200). Detector circuit (200) provides an output voltage that is dependent on the states of two on-off switches (S1,S2), but that is substantially...

20060125421 - Dynamic control system for power sub-network: A dynamic power control system for controlling power utilization on a local level in a power sub-network of a power grid is presented. The power sub-network is configured with switchable power nodes, each having a switch element that operates to switch coupling and uncoupling of first and second subsets of...

20060125422 - Dynamic control system for power sub-network: A dynamic power control system for controlling power utilization on a local level in a power sub-network of a power grid is presented. The power sub-network is configured with switchable power nodes, each having an associated priority level and each having a switch element that operates to switch coupling and...

20060125423 - Lighting ballast having boost converter with on/off control and method of ballast operation: A ballast for driving a gas discharge lamp comprising a rectifier stage having an alternating current (AC) input and providing a rectified output voltage, a boost converter stage receiving the rectified output voltage as an input and providing a boosted direct current (DC) output voltage across a DC bus, an...

20060125426 - Distributed intelligence ballast system and extended lighting control protocol: A ballast for use in a multi-ballast lighting system wherein the ballasts are coupled together by a digital communication network. The ballast comprises a power circuit portion for providing an electrical current to power a lamp. The ballast further includes a sensor input circuit for receiving at least one sensor...

20060125425 - Serially connected led lamps control device: The present invention discloses a serially connected LED lamps control circuit device, which is applicable for an integrated circuit and has the following three features: using a buffer circuit to increase the DATA and Clock lines to extend the distance between a plurality of serially connected devices, delaying half cycle...

20060125424 - Single ground scheme for ccfl circuitry: Multiple CCFL circuits having pairs of CCFLs are described. Notably, for each CCFL, its output terminal can be directly returned to a system ground. A single ground bus servicing all CCFLs can significantly simplify wiring, thereby reducing manufacturing complexity and cost. For each transformer in the multiple CCFL circuit, its...

20060113916 - Method of manufacturing a rotation-magnetron-in-magnetron (rmim) electrode: An RMIM electrode, a method for manufacturing the RMIM electrode, and a sputtering apparatus using the RMIM electrode, wherein the RMIM electrode includes a magnet unit including a cylinder-shaped magnet located at a center of the magnet unit and a plurality of ring-shaped magnets having increasingly larger diameters surrounding the...

20060113917 - Electron emission device: An electron emission device is provided including a first substrate and a second substrate facing each other and separated from each other by a predetermined distance. An electron emission unit is disposed on the first substrate, and a light emission unit is disposed on a surface of the second substrate...

20060113918 - Method of improving the stability of active matrix oled displays driven by amorphous silicon thin-film transistors: A method of improving the stability of organic light emitting diode (OLED) display devices driven by amorphous silicon thin-film transistors, in which the driving circuitry within each sub-pixel includes a driving transistor for driving organic light emitting diode (OLED), a scanning transistor and a storage capacitance. An end of the...

20060113919 - Electroluminescent display device having pixels with nmos transistors: An active miatrix electroluminescent display device has pixels using an amorphous silicon or microcrystalline silicon drive NMOS transistor (22) connected between the anode of the display element (2) and a power supply line (26). A storage capacitor (24) is connected between the anode of the display element and the gate...

20060113920 - Plasma display panel and drive method thereof: A plasma display panel includes a plurality of discharge cells used to realize the display of images by gas discharge. The plasma display panel is divided into a display region where images are displayed and a non-display region where display does not occur. The plasma display panel includes first electrodes,...

20060113921 - Method for driving plasma display panel: Disclosed is a method for driving a plasma display panel in which a plurality of first electrodes and second electrodes are arranged parallel to each other, a plurality of third electrodes are arranged to cross the first and second electrodes, and discharge cells defined with areas in which the electrodes...

20060113923 - Charge pump interface circuit: A ballast circuit including a charge pump interface circuit is disclosed to provide a method of isolating a switch from a power line used to power a ballast for supplying electrical power to a lamp. In addition, the charge pump interface circuit provides a method to control a discrete dimming...

20060113922 - Hid buck and full-bridge ballast control ic: An integrated circuit controls a power converter that includes single stage buck-boost converter and a switching full bridge that may be used to drive an HID lamp. The single stage buck-boost converter reduces the complexity and parts count of the power converter, or electronic ballast, while permitting PFC and DC...

20060113924 - Circuit arrangement: In a bridge circuit for operating a high pressure discharge lamp an additional switching element, a control circuit for driving the additional switching element, a resonant inductor and a resonant capacitor are incorporated. The additional components together form a comparatively simple resonant igniter. The resonant inductor can be formed by...

20060113925 - Lamp current balancing device: A lamp current balancing device comprises an electronic power switch, a transformer, a current transformer and a pulse width modulation (PWM) IC; the transformer having a primary side connected to the electronic power switch and both ends of a secondary side connected to one end of each one of two...

20060113926 - Multiple-ccfl parallel driving circuit and the associated current balancing control method for liquid crystal display: A multiple-CCFL parallel driving circuit and the associated current balancing control method for LCD are presented, wherein the circuit comprises a plurality of CCFLs for providing the backlight for a LCD; a boosting transformer with a plurality of outputs for providing the driving voltage and current for driving the plurality...

20060113927 - Multiple dimmer lighting system: A system of lighting in which a multitude of secondary line extra-low voltage lights each have an individual dimmer control with voltage compensating circuitry. This enables pre-setting of individual brightness for each light in the multitude. The individual lights have substantially spherical housings that allow for partial burial at different...

20060113928 - Electromagnetic induced accelerator based on coil-turn modulation: An electromagnetic induced accelerator based on coil-turn modulation, including inner and outer cylinders with different diameters, the cylinders being coaxially disposed to form a channel which is a spatial portion therebetween; a discharging coil wound spirally inward along the upper surface of the channel for generating plasma by inducing a...