Abstract: A positive electrode active material includes a lithium composite oxide having a crystal structure belonging to the space group Fd-3m and has an integrated intensity ratio I(18°-20°)/I(43°-46°) of greater than or equal to 0.05 and less than or equal to 0.90 and an integrated intensity ratio I(63°-65°)/I(17°-19°) of greater than or equal to 0.8 and less than or equal to 2.0. The integrated intensity ratio I(18°-20°)/I(43°-46°) is a ratio of an integrated intensity I(18°-20°) to an integrated intensity I(43°-46°). The integrated intensity ratio I(63°-65°)/I(17°-19°) is a ratio of an integrated intensity I(63°-65°) to an integrated intensity I(17°-19°). The integrated intensity I(A°-B°) is an integrated intensity of a maximum peak present in a range of angle of diffraction 2? greater than or equal to A° and less than or equal to B° in the X-ray diffraction pattern of the positive electrode active material.

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1 below, and shows high emission efficiency:

Abstract: An apparatus for manufacturing a rack bar includes a pre-forming machine forming a flattened portion on an outer peripheral surface of a hollow shaft member, a teeth forming machine forming rack teeth on the flattened portion, a heat treatment machine quenching the rack teeth, a first conveying machine carrying the shaft member into and from the pre-forming machine, a second conveying machine carrying the shaft member into and from the teeth forming machine, and a third conveying machine carrying the shaft member into and from the heat treatment machine. The first conveying machine, the second conveying machine, and the third conveying machine hold one end of the shaft member from a radially inner side of the shaft member. The apparatus of the rack bar are suitable for manufacturing a relatively short hollow rack bar having rack teeth formed over substantially an entire length of a shaft member.

Abstract: A telescopic water pipe includes an elastic inner pipe having a contraction length and an extension length under the pressure of the liquid passing therethrough; and a braided layer wrapped on an outer circumferential surface of the elastic inner pipe; wherein the elastic inner pipe and the braided layer form together a first telescopic pipe body, the first telescopic pipe body expanding and contracting with the expansion and contraction of the elastic inner pipe, its outer diameters being close to the outer diameters of the elastic inner pipe. Therefore, the braided layer can expand and contract synchronically with the elastic inner pipe without wearing out the elastic inner pipe, thereby prolonging the service life of the first telescopic pipe body. The amount of used braided layer is saved, and the obtained first telescopic pipe body has a small volume and an unrestricted length.

Abstract: A semiconductor memory device includes active regions including first impurity regions and second impurity regions, word lines on the active regions and extended in a first direction, bit lines on the word lines and extended in a second direction crossing the first direction, the bit lines being connected to the first impurity regions, first contact plugs between the bit lines, the first contact plugs being connected to the second impurity regions, landing pads on the first contact plugs, respectively, and gap-fill structures filling spaces between the landing pads, top surfaces of the gap-fill structures being higher than top surfaces of the landing pads.

Abstract: A lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in an internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.

Abstract: A semiconductor device including an oxide semiconductor in which on-state current is high is provided. The semiconductor device includes a first transistor provided in a driver circuit portion and a second transistor provided in a pixel portion; the first transistor and the second transistor have different structures. Furthermore, the first transistor and the second transistor are transistors having a top-gate structure. In an oxide semiconductor film of each of the transistors, an impurity element is contained in regions which do not overlap with a gate electrode. The regions of the oxide semiconductor film which contain the impurity element function as low-resistance regions. Furthermore, the regions of the oxide semiconductor film which contain the impurity element are in contact with a film containing hydrogen. The first transistor provided in the driver circuit portion includes two gate electrodes between which the oxide semiconductor film is provided.

Abstract: An organic carbonate synthesis catalyst for electrochemically synthesizing an organic carbonate from carbon monoxide, comprises: an active particle containing a metal element; and a porous carbon supporting the active particle.

Abstract: The present disclosure relates to an account management method and a related product. The method includes: receiving, by the server, a business instruction transmitted by a client, wherein the business instruction carries an identification identifier; determining, by the server, a set of account identifiers associated with the identification identifier based on an identification and account association table, wherein the set of account identifiers includes at least two different account identifiers; performing, by the server, a business operation corresponding to the business instruction on accounts in the set of account identifiers to obtain a business operation result; and returning, by the server, the business operation result to the client.

Abstract: A touch panel includes: a substrate; a bridging layer; an insulating layer; and a touch layer, including a first touch area and a border area surrounding the first touch area; the border area includes at least one second touch area, and the second touch area includes a plurality of button portions; a second shielding body is disposed between the second touch area and the first touch area; the border area further includes a bonding area for bonding with a driving circuit board; the second shielding body is provided with at least one wire groove, and at least one touch wire is coupled to the bonding area by passing through the wire groove; and the touch layer is disposed on a surface of the insulating layer away from the substrate, and at least two adjacent shielding units are coupled by the bridging layer.

Abstract: A semiconductor device includes an insulating substrate, wiring layers, heat dissipation layers, a semiconductor element, and a sealing resin. The wiring layers each have a first obverse face and a first reverse face oriented in opposite directions in a thickness direction of the substrate. The first reverse faces of the wiring layers are connected to the substrate. The heat dissipation layers each have a second obverse face oriented in the same direction as the first obverse face, and a second reverse face oriented opposite to the second obverse face in the thickness direction. The heat dissipation layers are located opposite to the plurality of wiring layers in the thickness direction with respect to the substrate. The second obverse faces of the heat dissipation layers are connected to the substrate. The semiconductor element is connected to one of the first obverse faces of the wiring layers. The sealing resin covers the substrate, the wiring layers, and the semiconductor element.

Abstract: A light source driving circuit and a communication device for display system are provided. The communication device includes a control unit and at least one string light source driving circuit. The control unit includes an output interface for transmitting control commands or data and a data reading back input interface. Each string light source driving circuit includes a plurality of light source driving circuits, and each light source driving circuit interface includes a serial input interface, a serial output interface, parallel interfaces, and at least one current output interface. The serial input interface and serial output interface of the plurality of light source driving circuits are cascaded with each other as a first channel of the control commands or data transmission. The parallel interfaces of each driving circuit in the plurality of driving circuits are coupled with each other as a second channel of the control commands and data transmission.

Abstract: A nonvolatile memory device and a data storage system including the same are provided. The nonvolatile memory device includes: a first structure including at least one first memory plane; and a second structure bonded to the first structure and including at least one second memory plane, wherein the number of the at least one first memory plane included in the first structure is different from the number of the at least one second memory plane included in the second structure.

Abstract: The invention relates to a metering device (5) for granular material, in particular seeds and/or fertilizer, where the metering device (5) comprises a metering housing (9) having at least one inlet (8) and at least one outlet (11) for the granular material and two side walls (10) that are arranged spaced from one another, where a metering wheel (13) with end faces (13a) each pointing toward the side walls (10) is arranged between, firstly, the inlet (8) and, secondly, the outlet (11), and between the side walls (10), that are arranged spaced from one another, on a shaft and is connectable in a force-fit manner to the latter and can be driven to rotate by the shaft in a metering direction (D), where the metering wheel (13) is associated with blocking means (14) which are configured to block the metering wheel (13) against the transport of granular material in a direction opposite to the metering direction (D) from the inlet (8) to the outlet (11) and/or in the metering direction (D) from the outlet (11) to the