Abstract: A metal foil extending outward from electrode plates stacked in a layered manner is sandwiched between a first metal member provided with damping portions and a second metal member, and ultrasonic vibration is caused to act upon a plurality of sites of action from the first metal member side to join the metal foil to the first and second metal members. Each damping portion includes at least one of a cutaway portion formed by cutting away part of the first metal member, a thick-walled portion formed by partially increasing the plate thickness of the first metal member, and a convex ridge portion formed by bending part of the first metal member into a convex ridge shape.

Abstract: This power conversion device includes a rectification circuit, a reactor, an inverter circuit, and an isolation transformer. The inverter circuit is composed of a first leg A, a second leg B, and a DC capacitor connected in parallel between DC buses. A first AC end of the first leg A is connected to a positive DC terminal of the rectification circuit via the reactor. High power factor control of current iac flowing from an AC power supply via the rectification circuit is performed by PWM control for the first leg A, and voltage Vdc of the DC capacitor is controlled by PWM control for the second leg B using a duty cycle equal to or smaller than that for the first leg A, thereby controlling power outputted to the secondary side of the isolation transformer.

Abstract: At least a connector of a current collecting member that is welded to an electrode plate of an electrode assembly is constituted by a rolled material, and the current collecting member and the electrode assembly are bonded to each other by vibration welding.

Abstract: Battery pack includes the following elements: large number of battery cells; lower holding member provided to hold the lower parts of large number of battery cells aligned by battery holding parts, and having lower openings for exposing the negative electrode terminal side of the battery cells; a positive electrode current collecting plate and a negative electrode current collecting plate connected to the corresponding terminals of the battery cells; and holder formed of upper holding member and lower holding member. In holder, upper gas channel for guiding the gas jetted from battery cells to the front side is formed. Inside holder, lower gas channel is formed on the periphery of the large number of battery cells. In holder, exhaust port is formed. In upper holding member, a communication hole for allowing communication between upper gas channel and lower gas channel is formed.

Abstract: A display device includes first to fifth insulating films, first to third conductive films, semiconductor film, a planarization layer, an organic resin film, a pixel electrode, an opposing electrode and a light-emitting member. The first insulating film includes nitrogen. The second and third insulating films include oxygen. The fifth insulating film is an inorganic insulating film. The fourth insulating film, the fifth insulating film, the planarization layer and the organic resin film include first to fourth opening, respectively. An edge portion of the third opening and an edge portion of the fourth opening are rounded. Part of the third conductive film and part of the planarization layer are located in the second opening. Part of the pixel electrode and part of the organic resin film are located in the third opening. Part of the light-emitting member and part of the opposing electrode are located in the fourth opening.

Abstract: An electric power conversion device includes a transformer composed of three or more windings magnetically coupled with each other, wherein power supply sources, are connected to at least two windings, via switching circuits, a load is connected to at least one winding, and a control circuit temporally divides, within one switching period, a total ON time during which power is supplied, in accordance with the number of the power supply sources, to supply power, the one switching period being the minimum repetitive unit during which power is supplied alternately. The control circuit allocates the divided ON times to the respective switching circuits, and the switching circuits, supply power from the power supply sources, to the load side during the allocated ON times, respectively.

Abstract: This invention provides a semiconductor device having high operation performance and high reliability. An LDD region 707 overlapping with a gate wiring is arranged in an n-channel TFT 802 forming a driving circuit, and a TFT structure highly resistant to hot carrier injection is achieved. LDD regions 717, 718, 719 and 720 not overlapping with a gate wiring are arranged in an n-channel TFT 804 forming a pixel unit. As a result, a TFT structure having a small OFF current value is achieved. In this instance, an element belonging to the Group 15 of the Periodic Table exists in a higher concentration in the LDD region 707 than in the LDD regions 717, 718, 719 and 720.

Abstract: A DC/DC converter in which a both-end voltage of each of capacitors can be safely uniformalized while an over current, which is passed through between the capacitors composing the DC/DC converter, is prevented. In a DC/DC converter which includes a plurality of switching elements, a reactor, a low-voltage side capacitor, a high-voltage side capacitor, a charge-discharge capacitor, and a controller which drives and controls the switching elements, the controller performs soft start control in which a duty ratio of at least one of the switching elements is gradually varied from 0% to 100%, and the switching element, in which the soft start control is not performed during the term of the soft start control, is turned off.

Abstract: A main circuit of a power conversion device includes: an AC/DC converter for performing power factor correction control for a single-phase AC power supply; and a DC/DC converter connected to the AC/DC converter via a DC capacitor. In order to reduce ripple voltage and ripple current for the DC capacitor, a control circuit superimposes, onto a DC current command, an AC current command having the minimum value at the zero cross phase of the single-phase AC power supply and having the maximum value at the peak phase thereof, to generate an output current command for the DC/DC converter, and performs output control for the DC/DC converter, using the output current command.

Abstract: In a power conversion apparatus including first to fourth semiconductor switching elements connected in series across both terminals of a high voltage-side capacitor, the third and fourth semiconductor switching elements are connected across both terminals of a low voltage-side capacitor via a reactor, and both terminals of the second and third semiconductor switching elements are connected across a charging-discharging capacitor. This charging-discharging capacitor includes a plurality of capacitor elements connected in parallel via a first wiring and a second wiring. Inductance components or capacitance components of the plurality of capacitor elements when viewed from an outflow-inflow portion of the first wiring and an outflow-inflow portion of the second wiring are different from each other such that the charging-discharging capacitor does not have a parallel resonance point in a driving frequency band but has a parallel resonance point in a noise frequency band.

Abstract: In the case where a material containing an alkaline-earth metal in a cathode, is used, there is a fear of the diffusion of an impurity ion (such as alkaline-earth metal ion) from the EL element to the TFT being generated and causing the variation of characteristics of the TFT. Therefore, as the insulating film provided between TFT and EL element, a film containing a material for not only blocking the diffusion of an impurity ion such as an alkaline-earth metal ion but also aggressively absorbing an impurity ion such as an alkaline-earth metal ion is used.

Abstract: A power conversion device that distributes input power to multiple outputs in accordance with power requirement of a load, using a plurality of magnetically coupled windings. In the case of supplying power from an AC power supply, at least one of an AC/DC converter and first to fourth switching circuits controls voltage on an output side of the AC/DC converter, based on a deviation between a detected value and a target value of the voltage. In the case of supplying power from a first DC voltage source or a second DC voltage source, the second switching circuit or the fourth switching circuit provided between the first DC voltage source or the second DC voltage source and the transformer supplies power based on an arbitrary time ratio.

Abstract: A battery pack includes: a plurality of battery cells (1); and heat dissipating holder (2) that is disposed among battery cells (1) and is in contact with the battery cells (1) in a thermally coupled state. Heat dissipating holder (2) includes: holder body (3) having insertion holes into which battery cells (1) are inserted; and thermally-conductive insulating rubber (4) having elastic cylinders to be disposed on the inner surfaces of the insertion holes. Each elastic cylinder includes a plurality of elastic projections projecting on its inner surface. The inner shape of each elastic cylinder in a non-insertion state of battery cell (1) is made smaller than the outer shape of battery cell (1). In heat dissipating holder (2), battery cells (1) inserted into the elastic cylinders are disposed at fixed positions in the insulated state. The elastic projections are elastically pressed on and closely contact the periphery of battery cell (1).

Abstract: The power reception amount of input power from an AC power supply is controlled through a first switching circuit. DC voltage is controlled through a second switching circuit, to control charge power for a first DC voltage source. DC voltage obtained by a third switching circuit is converted to AC by an inverter, to supply the resultant power to an AC load. DC voltage is controlled through a fourth switching circuit, to control charge power for a second DC voltage source. Thus, distribution control of the input power is performed. In addition, in the distribution control of the input power, operation of the second switching circuit or the fourth switching circuit is stopped to allow stop of the charging for the first DC voltage source or the second DC voltage source.

Abstract: A DC/DC converter in which a both-end voltage of each of capacitors can be safely uniformalized while an over current, which is passed through between the capacitors composing the DC/DC converter, is prevented. In a DC/DC converter which includes a plurality of switching elements, a reactor, a low-voltage side capacitor, a high-voltage side capacitor, a charge-discharge capacitor, and a controller which drives and controls the switching elements, the controller performs soft start control in which a duty ratio of at least one of the switching elements is gradually varied from 0% to 100%, and the switching element, in which the soft start control is not performed during the term of the soft start control, is turned off.

Abstract: In the case where a material containing an alkaline-earth metal in a cathode, is used, there is a fear of the diffusion of an impurity ion (such as alkaline-earth metal ion) from the EL element to the TFT being generated and causing the variation of characteristics of the TFT. Therefore, as the insulating film provided between TFT and EL element, a film containing a material for not only blocking the diffusion of an impurity ion such as an alkaline-earth metal ion but also aggressively absorbing an impurity ion such as an alkaline-earth metal ion is used.

Abstract: It is an object of the present invention to provide a semiconductor display device having an interlayer insulating film which can obtain planarity of a surface while controlling film formation time, can control treatment time of heating treatment with an object of removing moisture, and can prevent moisture in the interlayer insulating film from being discharged to a film or an electrode adjacent to the interlayer insulating film. An inorganic insulating film containing nitrogen, which is less likely to transmit moisture compared with an organic resin, is formed so as to cover a TFT. Next, an organic resin film containing photosensitive acrylic resin is applied to the organic insulting film, and the organic resin film is partially exposed to light to be opened. Thereafter, an inorganic insulting film containing nitrogen, which is less likely to transmit moisture compared with an organic resin, is formed so as to cover the opened organic resin film.

Abstract: The present invention provides a target substance transfer method, a crystal production method, a composition production method, and a target substance transfer device, which allow the concentration of a target substance to be increased easily and effectively. The target substance transfer method is a method for transferring a target substance 103 from a first phase 101 that is a liquid or solid phase containing the target substance 103 to a second phase 102 including: a phase approximation step of bringing the first phase 101 and the second phase 102 into close proximity; and a bubble collapse step of forming bubbles in the vicinity of a boundary between the first phase 101 and the second phase 102 and then causing the bubbles to collapse.

Abstract: A main circuit of a power conversion device includes: an AC/DC converter for performing power factor correction control for a single-phase AC power supply; and a DC/DC converter connected to the AC/DC converter via a DC capacitor. In order to reduce ripple voltage and ripple current for the DC capacitor, a control circuit superimposes, onto a DC current command, an AC current command having the minimum value at the zero cross phase of the single-phase AC power supply and having the maximum value at the peak phase thereof, to generate an output current command for the DC/DC converter, and performs output control for the DC/DC converter, using the output current command.

Abstract: An electric power conversion device includes a transformer composed of three or more windings magnetically coupled with each other, wherein power supply sources, are connected to at least two windings, via switching circuits, a load is connected to at least one winding, and a control circuit temporally divides, within one switching period, a total ON time during which power is supplied, in accordance with the number of the power supply sources, to supply power, the one switching period being the minimum repetitive unit during which power is supplied alternately. The control circuit allocates the divided ON times to the respective switching circuits, and the switching circuits, supply power from the power supply sources, to the load side during the allocated ON times, respectively.