Abstract: A machine tool includes a workpiece spindle being rotatable about a rotation axis of the workpiece and configured to hold a workpiece such that the workpiece. A tool holding device is rotatable about a tool rotation axis and configured to hold a turning tool via which turning is performed on the workpiece. A movement mechanism is configured to move the tool holding device such that the turning tool rotates relatively to the workpiece toward an arbitrary direction perpendicular to the rotation axis of the workpiece. Control circuitry is configured to execute a machining program, to perform the turning, which includes an additional code which designates a target cutting direction of the arbitrary cutting direction, and to control the movement mechanism to move the turning tool in the target cutting direction with respect to the workpiece while the control circuitry executes the additional code.

Abstract: A cooling system of the present disclosure includes: a coolant tank storing a coolant removing heat from a heating element in a closed space as an inner space; a plurality of heat pipes that are arranged to extend from the coolant tank toward the outside of the coolant tank and respectively having passages allowing the coolant as a working fluid to be movable therethrough; and a blower fan blowing air to the plurality of heat pipes from the outside of the coolant tank in a direction in which the heat pipes are arranged, wherein a cross-sectional shape orthogonal to the extension direction of each heat pipe is a flat plate shape having a leading edge on an upstream side of a blowing direction of the blower fan and a trailing edge on a downstream side thereof with the blowing direction as a longitudinal direction.

Abstract: [Object] To provide a vertical cavity surface emitting laser device having a concave mirror structure and excellent polarization controllability. [Solving Means] A vertical cavity surface emitting laser device according to the present technology includes: a first light-reflecting layer; a second light-reflecting layer; and a stacked body. The stacked body includes a first semiconductor layer, a second semiconductor layer, and an active layer, and is disposed between the first light-reflecting layer and the second light-reflecting layer. The stacked body has a current confinement structure for confining a current and forming a current injection region where a current concentrates. The first light-reflecting layer includes a concave mirror having a concave surface on a side of the stacked body and a convex surface on a side opposite to the stacked body.

Abstract: [Object] To provide a laser device that has a concave mirror structure and exhibits excellent optical characteristics, a laser device array, and a method of producing the laser device. [Solving Means] A laser device according to the present technology includes: a first light-reflecting layer; a second light-reflecting layer; and a stacked body. The stacked body includes an active layer, a lens being provided on a first surface on a side of the first light-reflecting layer.

Abstract: The present technology provides a surface emitting element capable of enabling highly accurate detection of an optical characteristic of an emitted light and/or enabling adjustment of the optical characteristic of the emitted light. The surface emitting element of the present technology provides a surface emitting element including a light emitting layer, a characteristic layer that is disposed on an optical path of light generated in the light emitting layer, exhibits an electrical characteristic due to light incidence, and/or has variability in an optical characteristic due to voltage application, and a plurality of electrodes provided on the characteristic layer.

Abstract: A semiconductor device that can be miniaturized or highly integrated is provided. The semiconductor device includes a capacitor, a transistor, and a first insulating layer. The capacitor includes first and second conductive layers and a second insulating layer. The second insulating layer is in contact with a side surface of the first conductive layer, and the second conductive layer covers at least part of the side surface of the first conductive layer with the second insulating layer therebetween. The transistor includes third to fifth conductive layers, a semiconductor layer, and a third insulating layer. The third conductive layer is in contact with a top surface of the first conductive layer. The first insulating layer is provided over the third conductive layer, and the fourth conductive layer is provided over the first insulating layer. The first insulating layer and the fourth conductive layer include an opening portion reaching the third conductive layer.

Abstract: An object is to provide an electronic device capable of recognizing a user's facial feature accurately. A glasses-type electronic device includes a first optical component, a second optical component, a frame, an imaging device, a feature extraction unit, and an emotion estimation unit. The frame is in contact with a side surface of the first optical component and a side surface of the second optical component. The imaging device is in contact with the frame and has a function of detecting part of a user's face. The feature extraction unit has a function of extracting a feature of the user's face from the detected part of the user's face. The emotion estimation unit has a function of estimating information on the user from the extracted feature.

Abstract: To provide a practically useful organic EL device having a low voltage, high efficiency and lifetime characteristics. An organic EL device including a light-emitting layer between an anode and a cathode opposite to each other, in which the light-emitting layer contains a first host selected from a compound represented by the following general formula (1), a second host selected from a compound represented by the following general formula (2), and a light-emitting dopant material. In the general formula (1), a ring A is an aromatic ring represented by formula (Ia), a ring B is a heterocycle represented by formula (Ib), Tp represents a triphenylene group, L represents an aromatic hydrocarbon group having 6 to 18 carbon atoms, and X represents N or C—H. In the general formula (2), a ring C represents an aromatic ring represented by formula (2a) and a ring D represents a heterocycle represented by formula (2b).

Abstract: To provide an organic electroluminescent device (organic EL device) that is driven at a low voltage and that has high efficiency and lifetime characteristics. The organic EL device includes a light-emitting layer between an anode and a cathode opposed to each other, in which the light-emitting layer contains a first host selected from an indolocarbazole compound having a triphenylene ring-containing group with which an N-position of an indolocarbazole ring is directly or indirectly substituted, a second host selected from a biscarbazole compound having a structure in which two carbazole rings are linked at a carbon position, and a light-emitting dopant material.

Abstract: To provide a compound for an organic EL device which provides an organic EL device having a low driving voltage and also high efficiency and extended lifetime characteristics, and an organic EL device using the compound. The compound for an organic EL device is a compound having an indolocarbazole skeleton represented by the following general formula (1): wherein a ring A is a benzene ring, a ring B is represented by formula (1b), Tp represents a triphenylene group, L represents an aromatic hydrocarbon group having 6 to 18 carbon atoms, X represents N or C—H and at least one thereof represents N, and n represents an integer of 1 to 3.

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: Provided are a material that achieves higher sensitivity and higher resolution of a photoelectric conversion element for imaging, and a photoelectric conversion element for imaging using the above material. The material for a photoelectric conversion element for imaging includes an indolocarbazole compound having a pentacyclic fused-ring structure having two heteroatoms, or an analogue compound thereof. The material is a compound having, as a group bonded to a nitrogen atom or a heteroatom, an alkyl group, a substituted or non-substituted aromatic hydrocarbon group, a substituted or non-substituted ?-electron excess heteroaromatic group, or a linked aromatic group formed by linking of two to six of these aromatic groups.

Abstract: Provided are a material that achieves higher sensitivity and higher resolution of a photoelectric conversion element for imaging, and a photoelectric conversion element for imaging using the above material. A material for a photoelectric conversion element for imaging, the material having a structure of the following general formula (1), wherein L each independently represents a single bond, an aromatic hydrocarbon group having 6 to 30 carbon atoms, or the like; “a” represents the number of substitutions, and represents an integer of 1 to 6; Ar1 each independently represents a group represented by the following formula (2); and Ar2 each independently represents an aromatic heterocyclic group having 3 to 30 carbon atoms and containing a nitrogen-containing six-membered cyclic structure, or the like, provided that a group bonded to L is the aromatic heterocyclic group.

Abstract: To provide an organic EL device having a low driving voltage, high efficiency and high driving stability. The organic EL device is an organic EL device having a plurality of organic layers between an anode and a cathode, in which a light-emitting layer includes a first host and a second host each selected from an indolocarbazole compound, and a dopant material. The first host is, for example, an indolocarbazole compound having a substituent containing a nitrogen-containing 6-membered ring such as a triazine ring, and the second host is, for example, an indolocarbazole compound having an aromatic hydrocarbon group, or a substituent containing a heterocycle such as a carbazole ring, a dibenzofuran ring or a dibenzothiophene ring.

Abstract: A magnetic geared rotary electric machine includes: a stator which includes a stator core formed in an annular shape centered on an axis, a coil installed inside a slot of the stator core, and a plurality of stator magnets installed inside the stator core at intervals in a circumferential direction about the axis; a first rotor which includes a plurality of pole pieces provided inside the stator at intervals in the circumferential direction of the axis; and a second rotor which includes a rotor core provided inside the first rotor and a plurality of rotor magnets provided in the rotor core at intervals in the circumferential direction. The stator further includes an anti-vibration member that is made of fiber-reinforced plastic and is installed on an inner surface of the stator core.

Abstract: A light-emitting device includes: a light-emitting element array including a plurality of light-emitting elements arranged; and a dummy concave mirror section surrounding the light-emitting element array, and the light-emitting elements each include a stacked structure including a stack of a first compound semiconductor layer, an active layer, and a second compound semiconductor layer, a first light reflection layer formed on a base part surface, and a second light reflection layer. A first convex part is formed in a portion of the base part surface in which the first light reflection layer functioning as a concave mirror is formed, with respect to a second surface of the first compound semiconductor layer, and a second convex part is formed in a portion of an extending part of the base part surface in which the dummy concave mirror section is formed, with respect to the second surface of the first compound semiconductor layer.

Abstract: The present disclosure provides new and innovative VCSEL devices and systems. In an example, a VCSEL device comprises a cavity mirror with a curved mirror surface of a VCSEL and a radius of curvature (ROC) of the curved mirror surface that is anisotropic, wherein the ROC comprises four directions, the four directions being +x, +y, ?x, ?y, the ROC in at least one direction is in a range greater than a cavity length of the VCSEL and less than a predefined ROC value for a standard beam width (ROCUL), and the ROC in at least one of the other directions is outside the range.

Abstract: A semiconductor laser element includes: a resonator structure including a stacked structure in which a first compound semiconductor layer, an active layer, and a second compound semiconductor layer are stacked; and a first light reflective layer and a second light reflective layer which are provided at both ends along a resonance direction of the resonator structure. When an oscillation wavelength is set to ?, each of the first light reflective layer and the second light reflective layer includes a refractive index periodic structure including, in a stacked manner, a plurality of thin films each having an optical film thickness of k0 (?/4). A phase shift layer is provided inside at least one light reflective layer of the first light reflective layer or the second light reflective layer.

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.