Abstract: A display device with excellent visibility can be provided. The display device includes a display region displayed by a light-emitting element. In the display region, a point touched by a user is a first point, a point which has been touched by the user prior to the first point is a second point, a vector that starts at the first point and ends at the second point is a first vector, a vector obtained by multiplying the first vector by k (k is a real number) is a second vector, and a point that is the second vector away from the first point is a third point, the display region includes a first region and a second region obtained by excluding the first region from the display region, The first region includes a first circle and a second circle, the center of the first circle is the first point, and the center of the second circle is the third point. The luminance in the first region is higher than the luminance in the second region.

Abstract: A power storage device comprises: an electrode stack comprising a plurality of bipolar electrodes and a pair of outermost current collectors; an inner voltage detection terminal; a housing; and a pair of outer voltage detection terminals. Each of the plurality of bipolar electrodes has a current collector, a positive electrode active material layer, and a negative electrode active material layer. The inner voltage detection terminal is electrically connected to the current collector. Each of the pair of outer voltage detection terminals is thicker than the inner voltage detection terminal. The housing is located between the pair of outer voltage detection terminals in the stacking direction. A dimension of the housing in the stacking direction is equal to or less than a distance between the pair of outer voltage detection terminals in the stacking direction.

Abstract: A recording apparatus includes a conveyance roller configured to convey a recording medium in a conveyance direction, and a moving portion configured to move a recording head between a positioning position and a non-positioning position, the moving portion having a first supporting portion that supports the recording head at the non-positioning position. The first supporting portion does not support the recording head at the positioning position.

Abstract: A method of producing a diffraction grating of borosilicate glass or barium borosilicate glass, the method comprising the steps of forming a grating on a surface of a silicon wafer the grating through the Bosch process; forming an oxide film on a surface of the grating by heating and exposure to water vapor of the silicon wafer; removing the oxide film using hydrofluoric acid; making the surface provided with the grating of the silicon wafer and a surface of a glass plate undergo anodic bonding; heating the silicon wafer and the glass plate bonded to each other; polishing a surface opposite to the boded surface of the silicon wafer and a surface opposite to the boded surface of the glass plate; and removing silicon from the glass plate by selective etching using xenon difluoride.

Abstract: In a recording apparatus including a recording head having an ejection port surface in which an ejection port that ejects a liquid is provided and a supporting portion configured to support the recording head to move the recording head between a recording position and a non-recording position, the supporting portion can be in a first state where an angle change of the ejection port surface is regulated and a second state where the angle change of the ejection port surface is not regulated.

Abstract: In order to realize a light absorber wherein the wavelengths absorbed can be adjusted, an embodiment of the present invention provides a light absorber 100 provided with a group of dielectric protrusions 102, a conductive thin film 104, and a conductive thick film 108. The group of dielectric protrusions has each dielectric protrusion protruding at a random position on a dielectric surface. A dielectric thin film is disposed on or above at least part of the surface of the dielectric protrusions and on or above at least part of the dielectric surface where the dielectric protrusions are not present; and the dielectric thick film spreads out along the dielectric surface and being kept separate from the dielectric thin film. The group of dielectric protrusions can be provided by disposition of dielectric particles in an in-plane random arrangement on the surface.

Abstract: A projector and a method for holding the projector, which can prevent the projector from dropping and which can prevent noise emission. The projector of the present disclosure includes resin housing having multiple mounting portions, hanging metal plate disposed inside housing, at least one metal member disposed inside housing, connected to hanging metal plate, and integrated with hanging metal plate to form a loop shape, grounding member that is connected to the loop shape and grounds hanging metal plate, hanging metal fitting for fixing housing to a wall surface or ceiling, fixing member for fixing hanging metal fitting from the outside of housing to multiple portions, the hanging metal plate being fixed to hanging metal fitting through fixing member in at least one portions.

Abstract: There is provided a radar device configured to detect a target by executing signal processing on the basis of a transmission wave and a reflection wave of the transmission wave reflected on the target. An antenna unit having a plurality of antennas arranged in a vertical direction. A calculation unit configured to calculate vertical azimuths of the target on the basis of the reflection waves with respect to the transmission waves transmitted from each of the antennas, and to accumulate calculation results. An estimation unit configured to calculate moving average values of maximum values of the vertical azimuths on the basis of the calculation results accumulated by the calculation unit, and to estimate the moving average values of the maximum values, as a height of the target.

Abstract: A projector and a method for holding the projector, which can prevent the projector from dropping and which can prevent noise emission. The projector of the present disclosure includes resin housing having multiple mounting portions, hanging metal plate disposed inside housing, at least one metal member disposed inside housing, connected to hanging metal plate, and integrated with hanging metal plate to form a loop shape, grounding member that is connected to the loop shape and grounds hanging metal plate, hanging metal fitting for fixing housing to a wall surface or ceiling, fixing member for fixing hanging metal fitting from the outside of housing to multiple portions, the hanging metal plate being fixed to hanging metal fitting through fixing member in at least one portions.

Abstract: A top-emission type organic light emitting diode includes a substrate, a cathodic conductive layer including at least 70% by mass of Ag, an organic electroluminescence layer that includes a light emitting layer containing an organic light emitting material, an anodic conductive layer formed from a transparent conductor, and a lattice structure, in which a plurality of concave portions are periodically and two-dimensionally arranged. The cathodic conductive layer is laminated on the substrate. The organic electroluminescence layer is laminated on the cathodic conductive layer. The anodic conductive layer is laminated on the organic electroluminescence layer. The concave portions are provided to the cathodic conductive layer at an interface between the cathodic conductive layer and the organic electroluminescence layer. The lattice structure is a triangular lattice structure.

Abstract: A method is used to produced an organic thin-film solar cell that includes a substrate and an anode, an organic thin-film layer including an organic semiconductor layer, and a cathode layered on top of the substrate. The method includes forming a particle monolayer film that includes a mixture of particles of different average particle sizes on a surface of an original plate for a mold, dry etching using the particle monolayer film as an etching mask to form a recess and protrusion-shaped microstructure, producing a transfer member in which the microstructure is inverted, layering at least the anode and the organic thin-film layer on top of the substrate, transferring the microstructure or the inverted microstructure to a surface of the organic thin-film layer by pressing the mold or the transfer member thereon, and layering the cathode on top of the organic thin-film layer.

Abstract: Provided is an organic thin-film solar cell, including: a substrate, an anode, an organic thin-film layer that includes an organic semiconductor layer, and a cathode. The anode, the organic thin-film layer that includes the organic semiconductor layer, and the cathode are layered in order on top of the substrate. A recess and protrusion-shaped microstructure that includes a plurality of recesses or protrusions arranged two-dimensionally at random is formed in an interface between the organic thin-film layer and the cathode.

Abstract: An organic light emitting diode includes an anodic conductive layer, an organic EL layer, and a cathodic conductive layer formed from Ag or an alloy of Ag, or the like, sequentially laminated on a substrate, such that a two-dimensional lattice structure is provided on a surface of the cathodic conductive layer on an organic EL layer side, an extraction wavelength and a distance between centers of concave portions or convex portions in the two-dimensional lattice structure are within a region surrounded by specific coordinates in a graph illustrating a relationship between the light extraction wavelength and the distance, and the depth of the concave portions or a height of the convex portions is 12 nm to 180 nm.

Abstract: A thin film forming method includes: attaching a mixture of a dielectric material and a fluorocarbon resin as a first layer on a substrate; and thereafter attaching only a dielectric material as a second layer on the first layer to form a two-layer thin film on the substrate. The method is capable of manufacturing a thin film whose production is easy and costs low, whose substances attached by vapor deposition or the like do not easily suffer cracking, peeling, breakage, and so on, and in which a low refractive index is achieved in a wide band by freely controlling its packing ratio.

Abstract: In order to realize a light absorber wherein the wavelengths absorbed can be adjusted, an embodiment of the present invention provides a light absorber 100 provided with a group of dielectric protrusions 102, a conductive thin film 104, and a conductive thick film 108. The group of dielectric protrusions has each dielectric protrusion protruding at a random position on a dielectric surface. A dielectric thin film is disposed on or above at least part of the surface of the dielectric protrusions and on or above at least part of the dielectric surface where the dielectric protrusions are not present; and the dielectric thick film spreads out along the dielectric surface and being kept separate from the dielectric thin film. The group of dielectric protrusions can be provided by disposition of dielectric particles in an in-plane random arrangement on the surface.

Abstract: There is provided a radar device. A Fourier transform unit decomposes each of respective beat signals into a plurality of frequency components. A bearing computing unit specifies arrival angles of reflected-wave signals based on peak frequency components included in the plurality of frequency components, and calculates the signal intensities of arrival angle components of the reflected waves with respect to a plurality of neighborhood frequency components of the peak frequency components when the plurality of arrival angles of the reflected-wave signals are specified. A calculating unit selects one frequency component having the highest signal intensity from among the plurality of neighborhood frequency components, with respect to each of the arrival angles specified at a plurality of frequencies, and computes a distance between the radar device and a target on the basis of the one frequency component selected with respect to each of the arrival angles.

Abstract: A highly durable spring of the present invention includes a single-layer coating film with a thickness of 450 ?m or less, in which the coating film contains an epoxy resin, a phenolic resin, and zinc. The coating film has high corrosion resistance and chipping resistance even if it is a one thin layer with a thickness of 450 ?m or less. A method of coating a highly durable spring of the present invention includes an application process in which an epoxy resin-based powder coating material which contains an epoxy resin, a phenolic resin, and zinc and is produced by a melt kneading method is applied to a surface of a spring on which a coating-film is formed and a baking process in which the applied epoxy resin-based powder coating material is baked.

Abstract: An organic light emitting diode includes an anodic conductive layer, an organic EL layer, and a cathodic conductive layer formed from Ag or an alloy of Ag, or the like, sequentially laminated on a substrate, such that a two-dimensional lattice structure is provided on a surface of the cathodic conductive layer on an organic EL layer side, an extraction wavelength and a distance between centers of concave portions or convex portions in the two-dimensional lattice structure are within a region surrounded by specific coordinates in a graph illustrating a relationship between the light extraction wavelength and the distance, and the depth of the concave portions or a height of the convex portions is 12 nm to 180 nm.

Abstract: A compressor driving device includes: a controller that PWM drives a compressor; an inverter circuit unit that supplies power to an electric motor included in the compressor; a drive circuit that drives the inverter circuit unit according to a control signal; a voltage detector that detects a voltage that is output to the electric motor; and a current detector that detects a current that is output to the electric motor. When a product of a detection value of the voltage detector and a detection value of the current detector is greater than a predetermined comparison value, a duty ratio of the control signal is reduced to cause the input power supplied to the electric motor by the inverter circuit unit to have a predetermined input power level or less.

Abstract: There is provided a radar device configured to detect a target by executing signal processing on the basis of a transmission wave and a reflection wave of the transmission wave reflected on the target. An antenna unit having a plurality of antennas arranged in a vertical direction. A calculation unit configured to calculate vertical azimuths of the target on the basis of the reflection waves with respect to the transmission waves transmitted from each of the antennas, and to accumulate calculation results. An estimation unit configured to calculate moving average values of maximum values of the vertical azimuths on the basis of the calculation results accumulated by the calculation unit, and to estimate the moving average values of the maximum values, as a height of the target.