Abstract: A driving device of one embodiment includes a phase estimator and a voltage controller. The phase estimator estimates a phase of stator interlinkage magnetic flux of an electric motor based on a current flowing through the electric motor, a voltage command of a drive voltage applied to the electric motor, and a winding resistance value of the electric motor. The voltage controller acquires a first voltage vector component in a direction in which the stator interlinkage magnetic flux acts and a second voltage vector component in a direction which is orthogonal to the direction in which the stator interlinkage magnetic flux acts for the voltage command of the drive voltage, and sets the voltage command of the drive voltage based on the first voltage vector component and the second voltage vector component.

Abstract: A method of manufacturing a display apparatus, a display apparatus, and a structure for manufacturing a display apparatus are provided. The method of manufacturing a display apparatus includes: forming a micro-light-emitting diode (LED) chip on a relay substrate such that a chip-side electrode is exposed; transferring the micro-LED chip from the relay substrate to a driving substrate including a driving substrate-side electrode; and bonding the chip-side electrode to the driving substrate-side electrode.

Abstract: A display apparatus, including a light-emitting device including a device-side electrode; a driving substrate configured to drive the light-emitting device; a driver-side electrode provided on the driving substrate; and a metal layer configured to connect the device-side electrode to the driver-side electrode, and including a first interface between the metal layer and the device-side electrode, and a second interface between the metal layer and the driver-side electrode, wherein at least one of the first interface and the second interface includes an intermetallic compound.

Abstract: A method for producing SiC/SiC composite material according to the present invention includes impregnating a substrate with a slurry containing particles of a flaky lubricant to obtain an impregnated body, drying out a solvent of the slurry from the impregnated body, forming an interface layer on surfaces of the SiC fibers by bending the impregnated body, and transferring the particles of the flaky lubricant to the surfaces of the SiC fibers while stretching the particles, and forming a SiC matrix inside the substrate on which the interface layer is formed. Since a thin interface layer of the flaky lubricant can be formed on the surfaces of the SiC fibers by transferring the flaky lubricant to the surfaces of the SiC fibers, the interface layer reaching inside of the substrate can be easily formed.

Abstract: Provided are a method of manufacturing a display device and a source substrate structure. The method of manufacturing the display device includes holding a light-emitting element on a source substrate that passes laser light of a certain wavelength therethrough, the holding being performed by a release layer between the source substrate and the light-emitting element, forming an adhesive layer on a driving substrate on which a driving substrate-side electrode is formed, moving the light-emitting element to a surface of the adhesive layer on the driving substrate from the source substrate by irradiating laser light of the certain wavelength to the release layer through the source substrate, and adhering the moved light-emitting element to the driving substrate by using the adhesive layer, and the release layer comprises a resin material with a thickness that is greater than or equal to 0.1 ?m and is less than or equal to 0.5 ?m.

Abstract: According to one embodiment, a driving device includes a voltage controller, a parameter setter, and a phase adjuster. The voltage controller causes an electric power converter to apply a drive voltage to the electric motor, the electric power converter converting input electric power to A/C electric power having desired voltage and frequency and supplying the converted electric power to an electric motor. The parameter setter sets at least one of a rotation speed of the electric motor and a parameter related to the rotation speed as speed information. The phase adjuster adjusts a phase of the drive voltage in such a manner that an index calculated based on a current flowing in the electric motor and the speed information set in the parameter setter becomes smaller.

Abstract: A power converting apparatus for vehicles according to an embodiment controls a plurality of AC motors for vehicle traveling set on a motor setting table. The power converting apparatus includes a plurality of inverter circuits and a plurality of controllers. The plurality of inverter circuits supply three-phase AC power to the AC motors. The plurality of controllers generate control signals for ON/OFF-controlling a plurality of switching elements of the inverter circuits and perform PWM control on the inverter circuits associated with the plurality of controllers among the plurality of inverter circuits. The plurality of controllers perform the PWM control on the associated inverter circuits according to control signals generated using carrier waves having phases different from one another. A phase difference between the carrier waves is based on the number of the plurality of AC motors set on the motor setting table.

Abstract: A nuclear reactor structure configuring a pebble accommodating space of a pebble bed type nuclear reactor includes a core material including graphite and a ceramic/ceramic composition material covering a surface of the core material. According to a core material processing step (A) of processing the core material including graphite into a quadrangular prism, a bottom surface of which is an approximately isosceles trapezoid, a step (B) of obtaining a base material by covering the core material with an aggregate including a ceramic fiber, and a CVD step (C) of putting the base material into a CVD reactor and forming a SiC matrix in gaps of the aggregate, thereby forming a ceramic/ceramic composite material on a surface of the core material, the nuclear reactor structure capable of enhancing durability, preventing cracking, etc. from occurring, and preventing exposure of graphite as the core material from occurring, can be provided.

Abstract: There is provided a manufacturing method of a fluid flow straightening member having a structure in which disturbance of an air flow does not easily arise. In at least one of outermost layers of an outer circumferential surface or an inner circumferential surface which configures a tubular portion of the fluid flow straightening member, ceramic fibers are oriented in a direction along a plane including a central axis which is surrounded by the tubular portion.

Abstract: A power converting apparatus for vehicles according to an embodiment controls a plurality of AC motors for vehicle traveling set on a motor setting table. The power converting apparatus includes a plurality of inverter circuits and a plurality of controllers. The plurality of inverter circuits supply three-phase AC power to the AC motors. The plurality of controllers generate control signals for ON/OFF-controlling a plurality of switching elements of the inverter circuits and perform PWM control on the inverter circuits associated with the plurality of controllers among the plurality of inverter circuits. The plurality of controllers perform the PWM control on the associated inverter circuits according to control signals generated using carrier waves having phases different from one another. A phase difference between the carrier waves is based on the number of the plurality of AC motors set on the motor setting table.

Abstract: Drive control equipment for a vehicle comprises: a plurality of power conversion devices respectively connected with a plurality of motors that convert DC power supplied from a DC power source to AC power and output this to said motors; a control device that controls the power conversion devices; a frame that accommodates said power conversion devices and the control device and having a ceiling wall facing below the vehicle floor; and a power unit having a cooler in which are installed a plurality of semiconductor elements constituting the power conversion devices; a first control board provided with a first connector connected with said semiconductor elements, arranged facing the cooler; and a second control board arranged in a direction orthogonal to said first control board and connected with a second connector connected with the first connector of said first control board.

Abstract: There is provided a ceramic structure including silicon carbide (SiC). The silicon carbide includes carbon, and silicon which has 28Si enriched in comparison with a natural abundance ratio. An enrichment level of the 28Si in the silicon carbide may be about 99% or higher. The silicon carbide may be in the form of at least any one of an SiC sintered body, CVD-SiC, SiC fiber, and an SiC/SiC composite.

Abstract: A liquid crystal display device including first and second substrates, a liquid crystal layer, a pixel electrode, a counter electrode, a first molecule orientation film formed on the first substrate so as to cover the pixel electrode, and a second molecule orientation film formed on the second substrate so as to cover the counter electrode. The pixel electrode includes first micro-electrode patterns extending in a first direction, second micro-electrode patterns extending in a second direction, third micro-electrode patterns extending in a third direction and fourth micro-electrode patterns extending in a fourth direction, wherein the first, second, third and fourth directions are different from one another.

Abstract: A member for nuclear reactors is provided with: a core section including an aggregate of graphite particulate matter; and a covering layer including a ceramic dense body that covers the core section.

Abstract: A liquid crystal display device including first and second substrates, and a liquid crystal layer sealed therebetween. The device also includes a first electrode formed on the first substrate and a second electrode formed on the second substrate; a first molecule orientation film formed on the first substrate so as to cover the first electrode; a second molecule orientation film formed on the second substrate so as to cover the second electrode; a plurality of micro structures associated with at least one of the first and second electrodes; and a plurality of rough structural patterns associated with at least one of the first and second electrodes. At least some of the micro structures extend generally parallel to each other, and the rough structural patterns extend in directions different from directions in which the micro structures extend.

Abstract: A liquid crystal display device including a first substrate, with a plurality of bus lines formed thereon such that they intersect with each other, and a second substrate facing the first substrate. The device also includes a plurality of pixel regions defined by the bus lines; a thin film transistor formed in each of the pixel regions; a color filter layer formed in each of the pixel regions; and a pixel electrode formed in each of the pixel regions. A liquid crystal layer is provided between the first substrate and the second substrate. The liquid crystal layer is located next to a polymeric structure formed by irradiating a mixture of liquid crystal materials and ultraviolet-curing monomers with ultraviolet light, and a black display is achieved when no voltage or a subthreshold voltage is applied.

Abstract: A liquid crystal device including a first substrate including a plurality of picture elements; a second substrate including a common electrode; and a liquid crystal layer sandwiched therebetween. The first substrate and the second substrate are arranged to be opposite to each other, and each of the plurality of picture elements has a plurality of elongated electrodes configured to apply voltages to the liquid crystal layer in cooperation with the common electrode. The elongated electrodes within one of the plurality of picture elements extend in eight directions, and each of the plurality of picture elements is divided into eight regions based upon the eight directions. In each of the eight regions of one of the plurality of picture elements, two or more of the plurality of elongated electrodes extend along a corresponding one of the eight directions.

Abstract: In a liquid crystal display device, liquid crystal molecules are oriented in a vertical direction to the first substrate and the second substrate by the first molecule orientation film and the second molecule orientation film, respectively, in a non-driving state. A structural pattern is formed so as to extend in a first direction parallel a surface of the liquid crystal layer and so as to form, in a driving state, an electric field periodically changing in a second direction that is parallel to the liquid crystal layer and vertical to the first direction. The liquid crystal molecules substantially tilt in the first direction in the driving state.

Abstract: Drive control equipment for a vehicle comprises: a plurality of power conversion devices respectively connected with a plurality of motors that convert DC power supplied from a DC power source to AC power and output this to said motors; a control device that controls the power conversion devices; a frame that accommodates said power conversion devices and the control device and having a ceiling wall facing below the vehicle floor; and a power unit having a cooler in which are installed a plurality of semiconductor elements constituting the power conversion devices; a first control board provided with a first connector connected with said semiconductor elements, arranged facing the cooler; and a second control board arranged in a direction orthogonal to said first control board and connected with a second connector connected with the first connector of said first control board.

Abstract: A liquid crystal display device according to the present invention is constituted of a TFT substrate and an opposing substrate which are arranged so as to be opposite to each other with a liquid crystal layer interposed therebetween. In addition, in the liquid crystal layer, formed is a polymer into which a polymer component added to liquid crystal is polymerized, and which determines directions in which liquid crystal molecules tilt when voltage is applied. In the TFT substrate, formed are a sub picture element electrode directly connected to a TFT and a sub picture element electrode connected to the TFT through capacitive coupling. In each of these sub picture element electrodes, formed are slits extending in directions respectively at angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees to the X axis.