Abstract: In order to provide artificial leather having both strength (in particular, tensile strength and tear strength), surface appearance, and a dense feeling in artificial leather including a fiber-entangled body containing a nonwoven fabric made of ultrafine fibers containing a large amount of inorganic particles (in particular, metal compounds) as a constituent element, and an elastic polymer, the artificial leather of the present invention is artificial leather including a fiber-entangled body containing a nonwoven fabric made of ultrafine fibers having an average single fiber diameter of 1.0 ?m or more and 10.0 ?m or less as a constituent element and an elastic polymer, and satisfies the following requirements: (1) the ultrafine fibers include a polyester-based resin containing a manganese-based compound; (2) an average particle diameter of the manganese-based compound is 0.01 ?m or more and 0.20 ?m or less; and (3) the ultrafine fibers contain a manganese element in an amount of 0.1 ppm or more and 50.

Abstract: A semiconductor device having a novel structure is provided. The semiconductor device includes a first substrate provided with a first peripheral circuit having a function of driving a first memory cell and a first memory cell layer including a second substrate and a first element layer including the first memory cell. The first memory cell includes a first transistor and a first capacitor. The first transistor includes a semiconductor layer including a metal oxide in its channel formation region. The first memory cell layer is provided to be stacked over the first substrate in a direction perpendicular or substantially perpendicular to a surface of the first substrate. The second substrate includes a circuit for performing writing of data to or reading of data from the first memory cell. The first peripheral circuit and the first memory cell are electrically connected to each other through a first through electrode provided in the second substrate and the first element layer.

Abstract: A high-resolution display device in which delay of input signals to pixels is reduced is provided. In the display device, a first layer, a second layer, and a third layer are formed in this order from the bottom. The first layer includes a driver circuit and a plurality of first wirings, the second layer includes a plurality of first contact portions, and the third layer includes a pixel array and a plurality of second wirings. The pixel array includes a plurality of pixel circuits. The plurality of second wirings are parallel to each other and extended in the column direction of the pixel array, and the plurality of pixel circuits are electrically connected to the plurality of second wirings. The driver circuit includes a plurality of output terminals positioned along a first direction. The plurality of first wirings are extended perpendicular to the first direction, and the plurality of output terminals are electrically connected to the plurality of first wirings.

Abstract: An interactive toy that can display emotional expressions in accordance with the degree of friendliness between the user and the toy, comprising a detector for detecting an external stimulation which is a stimulation by a movement and converting it into an electric signal and an output for outputting data stored in a storage section by the electric signal sent from the detector, wherein the data so outputted are data with respect to sound, and the toy reacts with audio.

Abstract: A disc discharging toy for discharging discs is provided which comprises a plurality of resilient discs, a magazine for holding the discs in a stacked position, a forcibly feeding device for forcibly feeding the discs so held in the supply portion piece by piece toward a discharging position, and a discharging device for discharging the disc so fed. The discharging device includes two rollers and a motor for rotating at least one of the two rollers in a direction in which the disc is discharged.

Abstract: A disc discharging toy for discharging discs is provided which comprises a plurality of resilient discs, a magazine for holding the discs in a stacked position, a forcibly feeding device for forcibly feeding the discs so held in the supply portion piece by piece toward a discharging position, and a discharging device for discharging the disc so fed. The discharging device includes two rollers and a motor for rotating at least one of the two rollers in a direction in which the disc is discharged.