Abstract: A magnetically driven reciprocating power output system including: at least one first electromagnet having a direction of elongation defining an axial direction, having a first end and a second end, and having an elongated opened core extending from the first end to the second end, the core having an axis of symmetry substantially coaxial with the axial direction; a control unit adapted to provide a first power input to the first electromagnet and adapted to cause the electromagnet to have a time-varying first magnetic field with a first polarity directed in substantially the axial direction; at least one stationary body having a second magnetic field with a second polarity directed in substantially the axial direction and configured substantially coaxially with the core region at the first end; at least one reciprocating ferromagnetic body configured substantially coaxially with the core, and not extending completely outside of the core at the second end, adapted to have a second magnetic field in response t

Abstract: A rocking actuator and a laser machining apparatus which can suppress a temperature rise of a permanent magnet in a moving-magnet actuator. Even when a steerable mirror is positioned by rapid and continuous motions, highly reliable machining can be performed without degrading machining throughput or hole position accuracy. A cooling jacket for cooling a casing and heat transfer units brought into contact with a coil and the casing are provided. Heat generated in the coil is introduced to the casing through the heat transfer bypass units. Thus, the temperature rise of the coil is suppressed. Radial grooves are provided in the permanent magnet opposed to the coil so as to prevent an eddy current from appearing therein. Groove depth is made not smaller than skin depth expressed by a function of volume resistivity and permeability of the permanent magnet and a fundamental frequency of a current applied to the coil.

Abstract: The invention relates to a permanent-magnet two-phase synchronous electric motor (1) with mechanical start-up for washing machines and similar, in particular for washing pumps (2), of the type centrally comprising a permanent magnet axial rotor (4) and a stator (5) with a lamination pack core (16) and a double pair of pole pieces (20) with ends enveloping said rotor (4) and with relative windings (L1, L2), wherein the first pair of pole pieces is asymmetrical compared to the second pair of pole pieces. Moreover, said motor is further distinguished for the structure of the stator, which comprises the following characteristics: the ends of the pole pieces (20) are structurally independent and are removably coupled to the lamination pack core; and the lamination pack core has a shorter axial length than the ends of the pole pieces (20). Advantageously, the pole pieces of the stator (5) are obtained by pressing of magnetic powders.

Abstract: A motor capable of reducing cogging torque depending on teeth of a stator, and a motor manufacturing apparatus for manufacturing this motor. The angles of rolling directions of cores stacked are set so that the phase difference between the phases of cogging torques produced on the cores is 180° so that the cogging torques produced on the cores cancel each other to reduce the total cogging torque in the motor. The motor comprises a laminated core formed by stacking a plurality of cores made from a rolled electromagnetic sheet steel. The cores forming the laminated core have rolling directions different from each other by a specified machine angle determined depending on the number of slots and/or the number of poles, where the specified machine angle is an angle which produces a phase difference of 180° between the phases of cogging torques produced due to magnetic anisotropy of the cores and the arrangement of teeth depending on the number of slots and/or poles of the motor.

Abstract: Method and arrangement for providing an energy converter that includes a combustion system (1) including at least one piston (2, 3), at least one combustion chamber (6, 7) having at least one inlet (11, 13) and at least one outlet (10, 12) with inlet and outlet valves (14, 15, 16, 17). At least one controllable inlet valve and at least one outlet valve is also provided. A fuel supply is provided (18, 19) for supplying fuel and a medium containing oxygen is provided for induction into the combustion chamber (6, 7). An electric machine (9) is arranged to interact directly or indirectly with the piston (2, 3) in an electromagnetic manner such that it produces electrical energy from the piston movements, as well as uses electrical energy to affect the piston movement. A control unit (30) controls the combustion system (1) and the electric machine (9). The energy converter is arranged to adapt its power output depending on the required load of the energy converter.

Abstract: A magnetic conducting housing of a motor includes a body and at least one first positioning structure. The magnetic conducting housing has a magnetic element disposed around an inner wall thereof. The body has a top surface and a side wall connected with a circumference of the top surface to form an opening. The first positioning structure extends from the side wall of the body and is close to the opening for holding the magnetic element. Also, a motor and a fan with above-mentioned magnetic conducting housing are disclosed.

Abstract: In a totally-enclosed fan-cooled motor wherein a drive side of a rotation shaft and a side opposite to the drive side are held by means of bearings and so that drive power would be transmitted from the drive side of the rotation shaft with which a rotor is formed into one body, wind is sent to an outer side of the motor in an axial direction of the rotation shaft by means of an external fan provided on the side opposite to the drive side to cool a stator in the air-tightly closed motor and air in the motor is circulated by means of an internal fan provided in the motor to cool a rotor, provided is a radiator mounted to the rotation shaft so as to be located on an outer side of the bearing holding the drive side of the rotation shaft, outside the motor, and in the vicinity of the bearing. This allows a cooling effect of the bearing provided on the drive side to be improved.

Abstract: The present invention provides a resolver external conductor fixing structure in which a connection body to which leads are connected is formed detachable from a terminal pin holding part so that the leads can be disconnected during the assembly of a resolver and connected after the assembly. An insulation cover (100) is formed on a ring-like stator (1) by integral molding, a terminal pin holding part (8) is formed at a part of the insulation cover (100), and a connection body (101) having leads (11) is formed detachable from the terminal pin holding part (8). Thus, during the assembly of the resolver, the leads (11) can be disconnected, and after the resolver is assembled, the leads (11) can be connected.

Abstract: A geared motor may include a connector, a motor, a deceleration mechanism, an output shaft and a circuit board. The output shaft may include a rotation transmitted part driven by the deceleration mechanism, an external connection part which is disposed apart from the rotation transmitted to be connected with an external member, and a small diameter part formed between the rotation transmitted part and the external connection part. A part of the circuit board is disposed in a space between the rotation transmitted part and the external connection part, and an insertion opening of the connector is opened in a direction that the rotation transmitted part is disposed with respect to the external connection part.

Abstract: A sliding drive apparatus includes: a housing; a cable; a drum arranged to wind the cable to open and close the driven member; a motor arranged to drive the drum; a tensioner supported by the housing, and arranged to provide a tensioning force to the cable,to be switched from a first state that an urging force of a spring is stored, and to a second state that the urging force of the spring is released, to be moved between a first position that the tensioner does not provide the tensioning force to the cable, and a second position that the tensioner provides the initial tensioning force is provided to the cable when the tensioner is in the first state, and to be switched to the second state by fixing in the second position, and to provide the tensioning force to the cable by the urging force of the spring.

Abstract: A motor and a manufacturing method thereof. With a motor that includes a stationary member, a rotating member coupled to the stationary member which rotates about an imaginary rotational axis, and a base cover which covers one side of the stationary member and the rotating member, where the base cover is made of a material which can be elastically deformed by pressing to touch the stationary member or the rotating member, deviations from the designed dimensions may be reduced to provide improved precision, by using a base cover made of an elastically deformable material that can be made to touch the shaft by pressing.

Abstract: Herein disclosed a bearing unit including: a dynamic pressure fluid bearing adapted to receive a rotary shaft inserted thereinto; a unit main body surrounding the outside of the fluid bearing; a lid member covering an upper opening of the unit main body with the rotary shaft inserted into the dynamic fluid bearing; lubricating oil poured into the unit main body; and an oil thrower ring rotating together with the rotary shaft in a space defined between an upper end of the fluid bearing and the lid member; wherein a gap defined between the lid member and the oil thrower ring is tapered in cross-section so as to be progressively reduced in the distance therebetween as the gap is spaced apart from the center of the rotary shaft.

Abstract: A motor with an air bearing structure includes a shaft, a rotor, a stator and a magnetic body. The rotor is coupled to the shaft and an air gap is formed therebetween, thereby forming the air bearing structure. The stator is coupled to the rotor and an air gap is formed therebetween. The magnetic body is disposed adjacent to the periphery of the stator.

Abstract: A magnetic floating shaft set is disclosed to include two guides kept apart from each other at a distance in such a manner that one guide is movable relative to the other guide to adjust the distance between the two guides, a shaft set in between the two guides with the two distal ends thereof respectively facing the two guides, a magnetic member mounted on the shaft, and a winding coaxially mounted around the shaft for generating a magnetic field to induce the magnetic member and to further cause floating of the shaft between the two guides and rotation of the magnetic member on the shaft.

Abstract: Electrical machine, having a stator which bears a winding and having a rotatable rotor, situated at a distance from the stator via an air gap, which includes at least two coaxial rotor sections which are rotatable relative to one another, in which each rotor section bears a system of permanent magnets having polarities which alternately point outward radially, and having an actuating device for rotating the rotor sections relative to one another, the actuating device having a controllable actuator via which the rotor sections may be aligned with one another with a variable rotary offset which is independent of a rotational speed of the rotor. In a method for setting the field and armature of a permanently energized electrical machine for motor vehicles, the rotational speed range of the electrical machine is divided into an armature-setting range, and a freely preselected field suppression is associated with a particular rotational speed of the rotor.

Abstract: According to the invention, an improved copper filling in the slots (4) of a permanently-stimulated synchronous motor (2) may be achieved, whereby such a motor is disclosed, comprising a stator (1), with parallel-edged slots (4), provided with a winding system of flat wires (5), whereby the flat wires (5) each enclose a tooth (3) and are embodied as a tooth coil (6). The flat wires (5) are wound edgewise such that the narrower side of the flat wire (5) faces the tooth (3) and each tooth coil (6) comprises at least two layers of flat wires (5).

Abstract: A magneto generator can reduce the man-hours of processing and an amount of use (i.e., an amount of material) of permanent magnets used per generator. The magneto generator includes a bowl-shaped flywheel that rotates about an axis of rotation, a plurality of permanent magnets that are fixedly secured to an inner peripheral wall surface of the flywheel, a stator core that is arranged at an inner side of the permanent magnets and has a plurality of teeth protruding to a radially outer side, and magneto coils that are formed of conductors wound around the teeth, respectively. Each of the permanent magnets is composed of a plurality of magnet pieces that are formed by dividing a hexahedral magnet main body with a division surface extending in a radial direction.

Abstract: A stator of a magneto generator serves to make parts control easy and reduce the production cost. The stator includes a plurality of teeth each having a straight portion extending in a radially outer direction and a flange portion protruding in a circumferential direction from a tip end of the straight portion, and a magneto coil having a conductor wound around each of the teeth. The stator core includes a laminated iron core composed of a plurality of intermediate plates laminated one over another, and end plates arranged in intimate contact with opposite side surfaces of the laminated iron core. The intermediate plates and the end plates are formed of the same plate materials each having a flange segment. The end plates have a bent portion formed by bending the flange segment and serves to prevent the magneto coils from collapsing in the radially outer direction.

Abstract: An electric rotary machine and a magnet holder for holding a main magnet pole on an inner periphery of a yoke of the electric rotary machine are disclosed. The magnet holder includes a dorsal base plate fixedly secured to the inner periphery of the yoke at equally spaced intervals in a circumferential direction of the yoke, a pair of sidewalls, formed on both sides of the dorsal base plate for admitting an interpole magnet to eliminate a leakage of magnetic fluxes of circumferentially neighboring two of main magnet poles, and held in pressured contact with sidewalls of the circumferentially neighboring two of the main magnet poles, and elastic segments extending from the pair of sidewalls in cantilever structures, respectively, for retaining the interpole magnet in a fixed place. Each elastic segment has a tapered shape to be less susceptible to vibration in excess from an engine.

Abstract: A rotor for an electric motor includes a rotor core formed by axially stacking a plurality of magnetic steel plates and a plurality of axially extending magnet insertion holes, and a magnetic sensor provided on the stator so as to be opposed to an axial end face of the rotor, a positioning steel plate provided on one of both axial ends of the rotor core opposed to the magnetic sensor and having an opening corresponding to the magnetic insertion holes, and a protrusion which is provided on at least one of paired circumferentially extending sides of the opening so as to protrude inside the opening.

Abstract: In order to be able to electric drives in very tight installation spaces, e.g. in propulsion vehicles or machine tools, an electric machine (1) is proposed having a stator and a rotor (28), with the laminations (2) of the stator have axial slots (4) and teeth (5, 6) extending between adjacent slots (4) in direction air gap. At least a predefined number of the teeth (6) is configured as a single-tooth winding (7),and at least one section (3) is provided in circumferential direction of the stator and is designed without slots but follows the contour of the stator bore (11) in the area of the air gap.

Abstract: A motor stator includes a yoke, a plurality of winding portions, a plurality of protrusions, and a plurality of arc extensions. The yoke includes a through hole at the center of the yoke. The winding portions are disposed around the exterior and extend outside of the yoke. The protrusion is disposed at an end of each winding portion. Each arc extension is engaged with each protrusion.

Abstract: [Object] To provide an electric motor which is capable of enhancing the efficiency thereof. [Solution] An electric motor 1 includes a plurality of first electromagnets 4a, armatures 5a, second electromagnets 6a, first cores 7a, and second cores 8a, which respectively have a plurality of first electromagnets 4a, armatures 5a, second electromagnets 6a, first cores 7a, and second cores 8a. When the polarity of the first armature magnetic pole of each armature 5a is different from that of a first magnetic pole of a first electromagnet 4a opposed thereto, the polarity of each second armature magnetic pole of the armature 5a is the same as the polarity of a second magnetic pole of a second electromagnet 6a. Further, when the first core 7a is positioned between the first magnetic pole and the first armature magnetic, the second core 8a is positioned between circumferentially adjacent two pairs of second armature magnetic poles and second magnetic poles.

Abstract: A rotating electric motor includes a rotary shaft capable of rotation, a stator core formed in a cylindrical configuration, a rotor core fixed to the rotary shaft, a magnet set at the rotor core such that a pair of magnetic poles of different magnetism are aligned in the radial direction of the rotor core, a field yoke provided at the perimeter of the stator core, and a winding that can control the magnetic flux density across the rotor core and the stator core by forming a magnetic circuit across the field yoke and the rotor core.

Abstract: A diffusion device includes a housing and a cavity disposed in a top portion of the housing, wherein the cavity is defined by a bottom wall. The device further includes a flame-shaped compartment extending upwardly through a first aperture in the bottom wall and is disposed within the cavity. A second aperture is disposed within the bottom wall and is spaced from the first aperture and a substance emitter is disposed within the housing, wherein the substance emitter is operable to dispense fluid through the second aperture.

Abstract: When a piezoelectric ceramic sheet is divided into two equal parts in a longitudinal direction and two equal parts in a width direction to form four regions, internal electrodes are disposed over each region and are disposed so that surface areas occupied in each region are substantially the same, and a longitudinal vibration is detected based on a potential difference between the internal electrodes.

Abstract: A piezoelectric ceramic composition is represented by [(Pb1-xXx)a{(Nib/3Nb2/3)cTidZr1-c-d}O3] in which X is at least one of Sr, Ba, Ca and La), and the compositional amounts x, a, b, c, and d respectively satisfy 0.001?x?0.1, 0.930?a?0.998, 1.02?b?1.40, 0.1?c?0.6 and 0.3?d?0.6. The specific surface area of the material powder before firing is preferably set to 5 m2/g or more. A piezoelectric ceramic body 1 is fabricated using the piezoelectric ceramic composition. In this manner, a sufficiently high piezoelectric constant can be obtained not only in the electric field range of 400 to 500 V/mm but also in an electric field range of 1 kV/mm or more. Furthermore, a piezoelectric ceramic composition that can be fired at a low-temperature and a piezoelectric ceramic electronic component using this composition can be provided.

Abstract: An AT cut quartz crystal resonator element includes a quartz crystal element piece having an exciting part formed from an AT cut quartz crystal plate in a rectangular shape having an X-axis direction of a quartz crystal set to a long side, and an exciting electrode formed on each of front and back main surfaces of the exciting part, in which each side surface in the longitudinal direction of the exciting part is composed of two faces, an m-face of a quartz crystal and a crystal face other than the m-face.

Abstract: An apparatus and method for monitoring vibration of the stator core and/or the conductors of electrical machinery during its operation involves positioning vibration sensors at the stator bar ends and operatively coupling the vibration sensors to a central controller. The vibration sensors are axially disposed along the length of an optical fiber and form an interferometer with a reference reflector. The central controller receives a reflected signal from each sensor which represents a measure of the vibration occurring in the stator core and/or the conductors at the location of the sensor.

Abstract: A fan and a motor thereof are disclosed. The motor includes a first module, a rotor assembly and a second module. The first module includes a housing and a stator assembly disposed within the housing. The rotor assembly includes a shaft and a magnetic element which mounts the shaft and is disposed corresponding to the stator assembly. The second module includes a base and a driving element disposed on the base and electrically connected with the stator assembly through a conducting structure. When the housing and the base are assembled, a space is obtained for accommodating the rotor assembly therein, and the shaft protrudes from the housing.

Abstract: A block-shape container which can be assembled into and disassembled from a computer casing, is composed of a block-shape container; a computer casing, a side of which is provided with a locking slot, with ear parts being located above the insertion slot, with the ear parts being provided with shaft holes, and with an upper wall of the insertion slot being provided with insertion holes; and a press plate, two sides of which are provided with shaft ends to be loosely connected into the shaft holes, a front end of which is formed downward with a projection part for locking; After the container is inserted into the insertion slot, such that the container, which is latched with the cartridges, can be locked on the computer casing without using screws, and can be quickly assembled or disassembled.

Abstract: A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member, and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover.

Abstract: A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover.

Abstract: A ceiling storage mounting systems allows for unused ceiling space to be accessed and used for removably attaching storage containers. The system provides the storage of containers to be mounted entirely below the bottom surfaces of standard ceiling joists, whether exposed or finished with a hung ceiling. The mounting system includes a two part system of a mount and a storage container. The mount is anchored to the ceiling and the container is then attached to the mount by means of a plurality of gaps and protrusions. The gaps and protrusions are located between the mount and the storage container to mate and interlockingly engage the container to the mount. The storage container is mounted to the ceiling by aligning the gaps and protrusions, and sliding the gaps and protrusions relative to one another, thereby interlocking the gaps and protrusions. The container is then removably attached the ceiling.

Abstract: Contemplated modular and preferably self-squaring cabinets are assembled onto a wall or ceiling using one or more mounting rails and two or more bulkheads to form a structure in which substantially the entire load of the cabinet is supported by the bulkheads and mounting rails. Top and bottom front rails preferably complete the frame structure to which then a face frame, side, top, and bottom walls are coupled. Consequently, as the bulkheads substantially form the entire load bearing structure, it should be appreciated that the face frame, side walls, shelves, doors, top and bottom walls can be manufactured from light-weight materials. Moreover, contemplated cabinets allow in situ manufacture in a highly simplified manner and further allow refurbishing the cabinets without unmounting the cabinet from the wall.

Abstract: A cabinet has a hollow body with an open front, multiple compartments defined within the body, multiple drawers and a duplex extension table received inside the compartment, and multiple optional accessories integrated with the body. Wherein, the duplex extension table is retractable received inside the body via the open front and composed of a primary board and a secondary board retractably combined with each other so as to provide two sectional spaces respectively for laptop and note or documents during working. Moreover, the accessories attached to the body include multiple wheel devices, a socket, a wire-reeling disk and at least one storing container to facilitate the cabinet.

Abstract: An enclosure includes a back enclosure unit, a front enclosure unit hinged to the back enclosure unit, a rod coupled to the front enclosure unit, and a spring latch coupled to the back enclosure unit, wherein the rod engages the spring latch when the front enclosure unit is closed upon the back enclosure unit.

Abstract: The invention relates to a piece of furniture, and an apparatus for locking a first furniture part (3) in a closing position in relation to a second furniture part (2), wherein the lock can be overridden using a triggering process. According to the invention, releasing means are provided, using which the first furniture part (3) can be unlocked in the mounted state of the apparatus by applying a predetermined triggering force from the outside on the first furniture part (3) in the opening direction thereof, if the triggering process does not override the lock.

Abstract: A drawer is stored in a space surrounded by front supporting column frames and a front frame on the front side, and rear supporting column frames and a rear frame on the rear side so as to be capable of being drawn out therefrom. Both side frames are provided with holding members including a lower holding strip and a pair of upper holding strips, and a front locking strip and a rear locking strip are formed on the inner side surface of the front supporting column frame and on the rear frame respectively. Fixed rail is press-interposed between the lower holding strip and the pair of upper holding strips, and the front locking strip is engaged with the front end of the fixed rail and the rear locking strip is engaged with the rear end of the fixed rail, respectively.

Abstract: A rail device for extracting computer equipment is composed of an outer rail, an outer end of which is provided with a front fixing part; and an inner rail, which is a long plate, a rear end of which is provided with a rear fixing part, and which is glidingly transfixed into a main slot of outer rail. The inner rail is glidingly displaced in the main slot, such that the inner rail and the outer rail can be quickly and conveniently installed on a rack assembly.

Abstract: A brace is provided to hold a refrigerator machine compartment cover open during servicing of various refrigeration compartments. The brace includes a longitudinal center section having first and second ends, a hinge support section attached to the first end and a mounting section attached to the second end. The brace is placed against a hinge assembly to support the cover in the open position. When not in use, the brace may be stored in a machine compartment portion of the refrigerator.

Abstract: A refrigerator includes cabinet shell including a pair of laterally spaced, upright side walls and a top wall, each of which includes a respective forward portion. A face frame, integrally formed from a single, bent material sheet, is mounted to the forward portion of each of the opposing side and top walls. The face frame includes top, bottom and opposing side frame members, along with a mullion member that extends between either the top and bottom frame members or the opposing side frame members, depending upon desired refrigerator configuration. The mullion member establishes first and second openings that lead into first and second refrigerated compartments or the refrigerator.

Abstract: A trim piece cover member for a refrigerator door is snap-fittingly secured to and extends along substantially an entire length of a trim piece to hide a plurality of mechanical fasteners. The trim piece includes a channel that extends longitudinally along an outer exposed surface. The channel includes a base portion, as well as first and second opposing side portions. The plurality of mechanical fasteners extend through the base portion and into the refrigerator door. The cover includes a generally planer surface portion from which extend first and second side walls that terminate in corresponding tab members which are snap-fittingly received in recesses of the channel.

Abstract: The invention relates to an incandescent lamp for producing light in a red region of the spectrum, comprising: a translucent lamp bulb (4); a spiral-wound filament enclosed by the lamp bulb, and; an interference filter (8), which is placed on the lamp bulb and which has a number of optically low refractive layers and optically highly refractive layers. According to the invention, the lamp bulb itself forms an absorption filter that absorbs unwanted light spectra. The color location shift into the red region of the spectrum ensues via the interference filter.

Abstract: A plasma display apparatus may include an external light shielding sheet attached to a front of a panel to absorb and shield externally incident light. Accordingly, a black image can be implemented close to an original color and bright and dark room contrast can be improved. Furthermore, thickness of the external light shielding sheet and height of a pattern unit have a given ratio in order to properly secure an aperture ratio of the external light shielding sheet. Accordingly, light emitted into the panel can transmit toward a user side.

Abstract: A sparkplug having ground and/or center electrodes that include a firing tip formed by reflowing of an end of wire having an opposite end carried by a feed mechanism. The present invention also includes methods of manufacturing an ignition device and electrodes therefore having a firing tip, including providing a metal electrode having a firing tip region; providing a wire having a free end and another end carried by a feed mechanism; and reflowing the free end to form a firing tip.

Abstract: An EEFL-type fluorescent lamp for backlighting of displays or screens, whereby the encapsulating glass and/or a (partial) coating of the interior surface of the encapsulating glass are provided which possess a low work function Wa for the electrons of <6 eV, preferably <5 eV, more preferably 0 eV<Wa<5 eV, especially preferably 0 eV<Wa<4 eV, more especially preferably 0 eV<Wa<3 eV. This allows for the operating efficiency to be optimized and the firing voltage to be lowered.

Abstract: An array panel is provided. The array panel comprises a substrate, a common electrode, and pixel structures. Each pixel structure comprises a first pixel electrode, a second pixel electrode, and a shield. The first pixel electrode has a central portion, first branches that connect to the central portion, and a connecting portion. The shield overlaps with at least the central portion of the first pixel electrode. The connecting portion connects the ends of at least two of the first branches. The central portion connects perpendicularly with one of the first branches; this branch overlaps with at least part of the common electrode so that the width of this branch is greater than or equal to that of the common electrode. The second pixel electrode, adjacent to the first pixel electrode, comprises a central portion and second branches that connect to the central portion.

Abstract: Light emitters using nanotubes and methods of making same. A light emitter includes a nanotube article in electrical communication with a first and a second contact, a substrate having a predefined region with a relatively low thermal conductivity said region in predefined physical relation to said nanotube article; and a stimulus circuit in electrical communication with the first and second contacts. The stimulus circuit provides electrical stimulation sufficient to induce light emission from the nanotube article in the proximity of the predefined region. The predefined region is a channel formed in the substrate or a region of material with relatively low thermal conductivity. The light emitter can be integrated with semiconductor circuits including CMOS circuits. The light emitter can be integrated into optical driver circuits (on- and off-chip drivers) and opto-isolators.

Abstract: A field emission display apparatus including a field emission display panel and a driving device for the field emission display panel. The driving device includes a power supply unit, the power supply unit including an abnormal current detection unit and a discharge circuit. The abnormal current detection unit generates an arc-current detection signal when the value of a current flowing between a negative anode voltage terminal of the field emission display panel and a common ground line is larger than an upper limit. The discharge circuit generates a short circuit between an anode plate of the field emission display panel and the negative anode voltage terminal when the arc-current detection signal is generated from the abnormal current detection unit.