Abstract: To provide an organic electroluminescent device having long lifetime characteristics while having a low driving voltage and high power efficiency. The organic electroluminescent device includes one or more light-emitting layers between an anode and a cathode opposed to each other, wherein at least one of the light-emitting layers contains a host material including a first host material, a second host material and a third host material, and a light-emitting dopant material. A LUMO energy of the first host material is ?1.95 eV or less, and LM2?LM3?LM1 is satisfied under the assumption that LUMO energies of the first host material, the second host material and the third host material are LM1, LM2 and LM3, respectively.

Abstract: To provide an organic EL device having a low driving voltage and also high efficiency and high driving stability, and a compound suitable therefor. The compound for an organic EL device has a structure in which a nitrogen-containing 6-membered ring group like triazine is directly bonded to one of two N-positions in an indolocarbazole ring and a nitrogen-containing 6-membered ring group is bonded to other thereof via an aromatic hydrocarbon group like phenylene. The organic EL device of the present invention contains the compound for an organic EL device and a biscarbazole compound as hosts in a light-emitting layer.

Abstract: In a run-up region 117 provided upstream, in the transport direction, of a branch point 116 in a main transport passage 110, a main transport mechanism 210 and a branching transport mechanism 230 both transport a transport case 7. When the transport case 7 is fed to a branching transport passage 130, the main transport mechanism 210 finishes transporting the transport case 7 before the transport case 7 reaches the branch point 116.

Abstract: An imaging device with low power consumption is provided. The pixel of the imaging device includes first and second photoelectric conversion elements, and first to fifth transistors. A cathode of the first photoelectric conversion element is electrically connected to the first transistor. An anode of a second photoelectric conversion element is electrically connected to the second transistor. Imaging data of a reference frame is obtained using the first photoelectric conversion element, and then imaging data of a difference detection frame is obtained using the second photoelectric conversion element. After the imaging data of the difference detection frame is obtained, a first potential that is a potential of a signal output from the pixel and a second potential that is a reference potential are compared. Whether or not there is a difference between the imaging data of the reference frame and the imaging data of the difference detection frame is determined using the first potential and the second potential.

Abstract: A magnetic geared rotating electrical machine is provided with a stator, a low-speed rotor which includes a plurality of pole pieces arranged in a circumferential direction of the stator and is installed inside the stator, a high-speed rotor which includes a plurality of second magnets as magnets facing the plurality of pole pieces and is installed inside the low-speed rotor, a first piezoelectric element which is provided in each of the plurality of pole pieces and which converts a vibration into an electric signal, and a control unit which is connected to the first piezoelectric element and performs vibration damping of the pole piece on the basis of an output voltage of the first piezoelectric element.

Abstract: To provide an organic EL device having high efficiency and extended lifetime while having a low driving voltage, and a compound suitable therefor. A material for an organic electroluminescent device of the present invention is comprised of an indolocarbazole compound represented by the following general formula (1): wherein a ring A is a heterocycle represented by formula (1a); Ar1 and Ar2 each represent an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group in which two to five of these aromatic rings are linked to each other; L1 represents an aromatic hydrocarbon group or an aromatic heterocyclic group; L2 represents an aromatic heterocyclic group; Ar3 represents a carbazolyl group; and a+b+c?1.

Abstract: To provide an organic EL device having high efficiency and extended lifetime while having a low driving voltage, and a material for an organic electroluminescent device suitable therefor. This material for an organic electroluminescent device is comprised of an indolocarbazole compound represented by the following general formula (1): [C1] wherein a ring A is a heterocycle represented by formula (1a); Ar1 and Ar2 each represent an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group; L2 represents an aromatic heterocyclic group; Ar3 represents an aromatic hydrocarbon group or a linked aromatic group in which a plurality of these aromatic hydrocarbon groups are linked to each other; and a+b+c?1.

Abstract: To provide a practically useful organic electroluminescent device which is improved in luminous efficiency and at the same time, sufficiently secures the stability during driving. An organic electroluminescent device, wherein a light-emitting layer includes two host materials different from each other, and a dopant material, one of the host materials is a compound represented by general formula (1) and the other of the host materials is a compound represented by general formula (2). A ring A is a heterocycle represented by formula (1a), X represents N or C—Ar?, Y represents O, S, N—Ar3, or C—Ar4Ar5, and any one of Z1 to Z4 represents a carbon atom binding to a 6-membered ring containing X and the others and Z5 to Z8 each represent C—Ar? or N. Ar, Ar? and Ar1 to Ar5 each represent, for example, hydrogen, or an alkyl group having 1 to 20 carbon atoms. A ring B is a heterocycle represented by formula (2a), and Ar6 and Ar7 each represent, for example, hydrogen, or an alkyl group having 1 to 20 carbon atoms.

Abstract: A light emitting element includes a laminated structure 20 in which a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22 are laminated, a first light reflecting layer 41, and a second light reflecting layer 42 having a flat shape, a base surface 90 located on a side of a first surface of the first compound semiconductor layer 21 has a first region 91 (upwardly convex first-A region 91A and first-B region 91B) including a protruding portion protruding in a direction away from the active layer and a second region 92 having a flat surface, the first light reflecting layer 41 is formed at least on the first-A region 91A, a second curve formed by the first-B region 91B and a straight line formed by the second region 92 intersects at an angle exceeding 0°, and the second curve includes at least one kind of figure selected from the group consisting of a combination of a downwardly convex curve, a line segment, and an arbitrary curve.

Abstract: An electric-powered vehicle includes: an axle body that includes an axle and drive wheels connected to both ends of the axle; a magnetic geared motor for rotating the axle, the magnetic geared motor including a stator, a low-speed rotor, and a high-speed rotor; a vehicle structure supported by the axle body; a motor support for connecting the vehicle structure and the stator, and supporting the magnetic geared motor by the vehicle structure; and an elastic coupling for coupling the low-speed rotor and the axle such that a rotational force of the low-speed rotor is transmittable to the axle.

Abstract: A method for manufacturing a light emitting element according to the present disclosure is a method for manufacturing a light emitting element which includes a stacked structure 20 in which a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22 are stacked, a first light reflecting layer 41, and a second light reflecting layer 42 having a flat shape, and in which a base surface 90 positioned on a first surface side of the first compound semiconductor layer 21 has a protrusion 91 protruding in a direction away from the active layer 23, and a cross-sectional shape of the protrusion 91 includes a smooth curve, the method including: forming a first sacrificial layer 81 on the base surface on which the protrusion 91 is to be formed; forming a second sacrificial layer 82 on the entire surface; and performing etching back from the base surface 91 inward by using the second sacrificial layer 82 and the first sacrificial layer 81 as etching masks.

Abstract: To provide an organic electroluminescent device realizing high efficiency and low voltage characteristics. A light-emitting layer including compounds of (1) and (2) and a dopant is included. X represents N or CR3, wherein at least one X represents N. R1 represents (1b), R2 represents (1c), and R3 represents an alkyl group or the like. Y represents O, S, NR4, or CR5R6, R4 to R6 each represent an alkyl group or the like, and one of R7 to R14 binds to a ring in (1). * represents a binding position to a ring in (1), and rings C and D are each an aromatic ring fused to an adjacent ring. R15, R16 and R17 have the same meaning as R3 (a and b represent the number of substitutions). R19 has the same meaning as R4, and R20 to R27 each represent CR3, CR28 or N and at least one thereof represents CR28, and R28 represents formula (2b). Z represents O, S, NR37, or CR38R39, R37 to R39 each has the same meaning as R4, and one of R29 to R36 binds to a ring in (2) and the others represent CR3 or N.

Abstract: A display apparatus capable of performing image capturing with high sensitivity is provided. The display apparatus includes a light-emitting element including a light-emitting layer, and a light-receiving element including a photoelectric conversion layer. A transflective electrode is provided over the light-emitting layer, and a transparent electrode is provided over the photoelectric conversion layer. With a structure where the transflective electrode does not overlap the photoelectric conversion layer, a reduction in light-receiving sensitivity of the light-receiving element can be prevented while a microcavity structure is used for the light-emitting element. Thus, the display apparatus can emit light with high color purity and perform image capturing with high sensitivity.

Abstract: An imaging device with low power consumption is provided. The pixel of the imaging device includes first and second photoelectric conversion elements, and first to fifth transistors. A cathode of the first photoelectric conversion element is electrically connected to the first transistor. An anode of a second photoelectric conversion element is electrically connected to the second transistor. Imaging data of a reference frame is obtained using the first photoelectric conversion element, and then imaging data of a difference detection frame is obtained using the second photoelectric conversion element. After the imaging data of the difference detection frame is obtained, a first potential that is a potential of a signal output from the pixel and a second potential that is a reference potential are compared. Whether or not there is a difference between the imaging data of the reference frame and the imaging data of the difference detection frame is determined using the first potential and the second potential.

Abstract: A display device that can display a high-luminance image is provided. The display device includes a display element and a memory circuit which is electrically connected to a first wiring and a second wiring. First, a reference potential is supplied to the first wiring. Next, a first image signal is supplied to the memory circuit through the second wiring. Then, the second image signal is added to the first image signal by supplying the second image signal to the memory circuit through the first wiring. After that, an image obtained by superimposing an image corresponding to the first image signal and an image corresponding to the second image signal on each other is displayed with the display element.

Abstract: An imaging device with low power consumption is provided. The pixel of the imaging device includes first and second photoelectric conversion elements, and first to fifth transistors. A cathode of the first photoelectric conversion element is electrically connected to the first transistor. An anode of a second photoelectric conversion element is electrically connected to the second transistor. Imaging data of a reference frame is obtained using the first photoelectric conversion element, and then imaging data of a difference detection frame is obtained using the second photoelectric conversion element. After the imaging data of the difference detection frame is obtained, a first potential that is a potential of a signal output from the pixel and a second potential that is a reference potential are compared. Whether or not there is a difference between the imaging data of the reference frame and the imaging data of the difference detection frame is determined using the first potential and the second potential.

Abstract: An antenna device for a vehicle includes a camera that facilitates assembly. The antenna device for a vehicle includes: an antenna case that has a housing space formed therein; an antenna base that is covered with the antenna case from above to form the housing space; an antenna element that is held by the antenna base and housed in the housing space; and a camera that is housed in the housing space The antenna base has a wall portion extending upward. The camera is fixed to the wall portion.

Abstract: A light emitting element array includes a plurality of light emitting elements 10A arranged. Each light emitting element 10A includes: a stacked structure 20 including a stack of a first compound semiconductor layer 21 having a first surface 21a and a second surface 21b, an active layer 23 facing the second surface 21b of the first compound semiconductor layer 21, and a second compound semiconductor layer 22 having a first surface 22a and a second surface 22b; a first light reflection layer 41 formed on a base part surface 90 located on a first surface side of the first compound semiconductor layer 21; and a second light reflection layer 42 formed on a second surface side of the second compound semiconductor layer 22 and having a flat shape. The base part surface 90 extends to a peripheral region 99 surrounded by the plurality of light emitting elements. The base part surface 90 has a concavo-convex shape, and is differentiable.

Abstract: A polymer for organic electroluminescent devices having high luminous efficiency and applicable to a wet process is provided. This polymer for organic electroluminescent devices is characterized in that it includes a polymer of a polyphenylene main chain represented by General Formula (1) which is used in at least one layer of an organic layer in an organic electroluminescent device formed by laminating an anode, the organic layer, and a cathode on a substrate, and which has thermally activated delayed fluorescence characteristics (TADF characteristics) (where x is a phenylene group or a linked phenylene group, L is a single bond, an aromatic hydrocarbon group, or an aromatic heterocyclic group, and A is an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group, and satisfies S1(A)?T1(A)?0.50 (eV)).

Abstract: An inspection device capable of sensing an abnormality included in an image with high accuracy is provided. The inspection device includes an electron microscope, an image processing device, and a calculator. The electron microscope has a function of generating a signal corresponding to a surface shape of a sample over a stage. The image processing device has a function of generating a first image corresponding to the signal. The calculator includes a circuit in which a neural network is formed, and has a function of obtaining a second image on the basis of the first image using the neural network. The calculator has a function of obtaining a third image by performing smoothing processing on the first image and a function of obtaining a fourth image by performing smoothing processing on the second image. The calculator has a function of obtaining a fifth image by obtaining a difference between the third image and the fourth image.