Field emission apparatus and driving method thereof
The present invention relates to a field emission apparatus and a method of driving the field emission apparatus, which has a three-pole structure of dual...
Light emitting diode driving circuit
A LED driving circuit that may control current flow into an LED on a current path according to the amount of light sensed from the LED. An LED driving circuit...
Mercury-free arc tube for discharge lamp device and method for
manufacturing the same
In a mercury-free arc tube, regions including molybdenum foils 17 of electrode assemblies each of which is formed by connecting and integrating an electrode 16,...
Light source apparatus with power feeder structure
A light source apparatus, comprises a lamp housing, a xenon lamp provided in the lamp housing, a reflection mirror which reflects light emitted from the xenon...
Methods and systems for providing illumination of a specimen for
Methods and systems for providing illumination of a specimen for inspection are provided. One embodiment relates to a system configured to provide illumination...
Plasma display panel and method for manufacturing the same
A plasma display of this invention includes a front panel, and this front panel includes a substrate, a plurality of display electrode pairs formed in stripes...
Plasma display panel and method for manufacturing plasma display panel
A plasma display panel includes a first and a second panel. The first panel includes a first plate provided with a plurality of display electrodes extending in...
Backlight unit for LCD using LED
A backlight unit for a liquid crystal display (LCD) using a light emitting diode (LED) is provided. The backlight unit includes a blue light source, a red light...
Organic electroluminescent display device and method of repairing a
defective pixel of the device
The present invention provides an organic electroluminescent display device and a method of repairing a defective pixel of an organic electroluminescent display...
Display device and manufacturing method of the same
It is an object of the present invention to provide a method for manufacturing a display device in which unevenness generated under a light-emitting element...
Organic light emitting diode display
The present invention relates to an OLED display. In some embodiments, the OLED display may employ combinations of linear polarization, circular or elliptical...
Substrate for organic electroluminescence device and method of producing
Provided is a substrate for an organic electroluminescence device having the following characteristics: occurrence of withdrawal of an organic ...
System for displaying images including active-matrix organic light
A system for displaying images is provided, including an active-matrix organic light emission display. The active-matrix organic light emission display...
Electron impeding layer for high efficiency phosphorescent OLEDs
The present invention relates to OLEDs comprising an electron impeding layer between the cathode and the emissive layer. An organic light emitting device,...
Light-emitting device and method for manufacturing the same
A light-emitting device includes a support substrate which includes a light-emitting layer and a light extraction surface, and a light transmission layer,...
Low voltage phosphor with film electron emitters display device
A flat panel display including: a film electron emitting cathode; and, an anode including: a plurality of pixels, a plurality of TFT circuits, each being...
Electron emitting device, and electron beam device and image display
apparatus including the same
A device includes a substrate, an insulating member disposed on a surface of the substrate, a gate, and a cathode. The insulating member has an upper surface...
Light emitting diode lamp and light emitting device
A bullet type light emitting diode lamp or a chip-type light emitting diode lamp includes a semiconductor light emitting element, and a plurality of fluorescent...
Red nitride phosphor and production method thereof
A red phosphor where the crystal phase constituting the phosphor is monoclinic Eu-activated CaAlSiN.sub.3. A red phosphor which is Eu-activated CaAlSiN.sub.3...
Methods of conditioning getter materials
Provided are methods for conditioning a getter material, comprising subjecting the getter material to microwave radiation. Electronic devices uses the...
Electrodeless discharge lamp
An electrodeless discharge lamp is provided which prevents the problem of decrease in strength due to degradation of resin material, allowing secure fitting of...
Spark plug used for an internal-combustion engine and a method for
manufacturing the same
The present invention provides a highly reliable spark plug used for an internal-combustion engine and including an insulator with a high withstand voltage, and...
A spindle motor is disclosed, wherein the spindle motor is formed at an outer periphery of a first protruder of a bearing housing having a gap relative to the...
Vibration sensor film, vibration actuator film, vibration reduction film,
and multilayer film using them
A vibration reduction system has a vibration reduction film and a control unit. The vibration reduction film is constituted of a vibration sensor film, an...
Sheet-type vibrator and acoustic apparatus
In a sheet-type piezoelectric vibrator provided with a piezoelectric sheet made from a transparent organic polymer and electrodes formed on respective main...
Piezoelectric element and gyroscope
A piezoelectric element having a crystal structure that enables a piezoelectric film to be formed in an unstressed state is provided. The piezoelectric film...
Micromachined piezoelectric ultrasound transducer arrays
A piezoelectric composite micromachined ultrasound transducer including single and multilayer 1-D and 2-D arrays having through-wafer-vias (TWVs) that...
Piezoelectric actuator and electronic apparatus
Piezoelectric actuator (51) includes a piezoelectric element (11) that performs expansion/contraction movement in accordance with the state of an electrical...
Piezoelectric vibrator, manufacturing method of piezoelectric vibrator,
oscillator, electronic device, and...
A piezoelectric vibrator which can be manufactured efficiently and a manufacturing method thereof are provided. The piezoelectric vibrator includes: a...
Microactuator having multiple degrees of freedom
A MEMS vertical displacement device for vertically displacing and tilting a vertically displaceable platform. The vertically displaceable platform may be...
Rotor for a rotary electrical machine comprising grooves for magnets
A rotor for an electrical machine that comprises two parallel magnet wheels, each of which comprises axial teeth so that each tooth on a wheel is situated in...
Electromagnetically-countered actuator systems and methods
The present invention generally relates to electric motor systems which minimize irradiation of harmful electromagnetic waves by various means. More...
Structure of casing of small stepping motor
Disclosed is a structure of a casing of a small stepping motor having an outer diameter of 8 mm or less, in which yoke teeth are integrally formed on the inner...
Coil assembly for rotating electric machine
A coil assembly for a rotating electric machine is a stator coil for use in the stator of a motor or the like, which includes a coil plate composed of at least...
A brush holder includes terminals and a holder body, wherein each terminal includes a pair of connecting terminals provided to sandwich a cut-off portion in...
Slip ring assembly with cooling
The present invention relates to a slip ring assembly for providing electricity to or from a rotor rotating in relation to a stator in a generator or an...
Permanent magnet brushless machine with magnetic flux regulation
A permanent magnet machine (PMM) has a generally cylindrical permanent magnet (PM) rotor that has multiple PM rotor poles arranged around a rotor axis of...
Regulated hybrid permanent magnet generator
A permanent magnet rotor for an electrical generator has pole pieces with permanent magnets. A control coil is associated with the pole pieces. A current flow...
Permanent magnet rotating electrical machine and permanent magnet rotating
electrical machine system
Movement of magnets due to centrifugal force is restricted. In a permanent magnet rotating electrical machine 100 having a stator 1 and a rotor core 5 provided...
A dynamoelectric machine includes first and second magnet seat portions disposed to project from portions of first and second yoke portions that face respective...
A drive arrangement with a first motor and a second motor is described, the first and second motor being coupled via a first coupling unit. The first motor is...
Bearing device, spindle motor and disk drive apparatus
A bearing device includes a shaft, a sleeve and a thrust plate. The shaft includes a convex portion having a curved surface provided at one end thereof. The...
Canned or sleeved rotary machine and method of manufacturing it
A canned or sleeved rotary machine is equipped with a rotor (101) in contact with a particle-laden, acidic or corrosive gaseous atmosphere, and with a...
A PMDC motor, particularly for driving an automobile liftgate, comprises a stator and a rotor rotatably mounted to the stator. The stator comprises a housing...
Cooling structure for inverter and capacitor accommodated integrally with
motor in housing of motor, motor unit...
Inside a housing, there are provided a motor generator (MG), an IPM, and a smoothing capacitor. Between the MG and the IPM, there is provided a cooler through...
Totally enclosed heat pipe cooled motor
A totally enclosed motor comprising a housing totally encloses an electrical package that includes plurality of slot vents extending radially outward from a...
Cooling system of a superconducting machine
A superconducting machine device is disclosed including a machine; a rotor including a superconductive coil; and a cooling system including at least one...
Stand-alone device for generating electrical energy
The present invention relates to a stand-alone device for generating electrical energy comprising:--an excitation coil (2) furnished with a central opening, --a...
Portable power supply system
A method and apparatus for supplying cordless power to a remotely-located load device. A first power supply unit of a portable power supply system is configured...
Managing SSL fixtures over PLC networks
Managing solid-state luminary (SSL) fixtures over power line carrier (PLC) networks is described herein. Devices provided in this description include SSL...