Abstract: A range imaging device includes a light source unit, a light-receiving unit that includes pixel driving circuit and a pixel including a photoelectric conversion element and charge storage units, a storage unit that stores table information in which electric charge ratios are associated with corresponding distances to an object, and a range image processing unit that determines a measured distance to an object using the table information and the amounts of electric charge accumulated in the charge storage units. The range image processing unit calculates the electric charge ratio based on the amounts of electric charge accumulated in the charge storage units, acquires the corresponding distance associated with the calculated electric charge ratio from the table information, and determines the measured distance using the acquired corresponding distance.

Abstract: A range imaging device includes a light source unit that emits light pulses to a measurement space; a light-receiving unit including a photoelectric conversion element that generates charge according to light incident from the space, a pixel circuit including charge storage units in which the charge is integrated in a frame cycle, and a pixel drive circuit that performs switching operation of transfer transistors to distribute the charge to the storage units for integration at integration timing synchronizing with emission of the pulses; and a distance calculation unit that calculates a distance between object in the space and the light-receiving unit based on charge determined by a first charge integrated in each storage unit. The calculation unit calculates the distance by subtracting a second charge from each first charge, the second charge being noise charge as an integrated charge other than the charge distributed and integrated by the switching operation.

Abstract: A range imaging device includes a light-receiving unit including a pixel circuit including a photoelectric conversion element that generates charge according to incident light and N (N?3) charge storage units that integrate charge in frame cycle, and a pixel drive circuit that turns on or off transfer transistors that transmit charge to the charge storage units at integration timing synchronizing with light pulses to distribute and integrate charge; a light source that emits light pulses; a range image processing unit that calculates a distance to object based on charge integrated in the charge storage units; and a measurement control unit that determines measurement zone to which the measurement distance belongs and which is set according to zone threshold set according to distance, integrates charge according to integration time set in the zone, and emits light pulses by increasing pulse period of light pulses according to increase of the integration time.

Abstract: A range imaging device includes a light source unit, a light-receiving unit, and a range image processing unit that computes a distance to an object. The range image processing unit performs multiple measurements different in relative timing relationship between an emission timing and an accumulation timing, extracts a feature amount based on the amounts of charge accumulated at the measurements, determines whether reflection light of a light pulse has been received by pixels in a single path or via multipath propagation, based on tendency of the extracted feature amount, and calculates the distance to the object present in a measurement space in accordance with a result of the determination.

Abstract: A range imaging device including: a light source unit; a light receiving unit that includes a pixel and a pixel driving circuit, the pixel including a photoelectric conversion device and three or more charge storage units; and a range image processing unit. To cause charge corresponding to reflected light of a light pulse reflected by an object to be distributed to and stored in two of the charge storage units, the range image processing unit performs control so that the charge corresponding to the reflected light is stored in the two of the charge storage units for different reflected light storage times in a single frame period according to an intensity of the reflected light.

Abstract: A range imaging apparatus includes a light source unit that emits light pulse to a measurement space, a light receiver including pixels and a pixel driver circuit, and a range image processor that determines a measurement distance to a subject placed in the space. Each pixel includes a photoelectric conversion device that generates electric charge corresponding to incident light and charge accumulators that store the electric charge, the circuit distributes and stores the charge to each accumulator at a predetermined point in time synchronized with emission of the pulse, the processor acquires waveform information indicating degree of distortion of waveform of rectangular signal having distorted waveform, corrects, based on the information, charge amounts each indicating an amount of the electric charge stored when the waveform has no distortion, and determines the distance using the charge amounts, and the signal is used in signal processing performed until the distance is determined.

Abstract: A range imaging device includes a semiconductor substrate, and a pixel circuit formed at a surface of the substrate and including a photoelectric conversion device, charge storages, transfer MOS transistors, and charge drainage MOS transistors. The conversion device has rectangular shape on the surface of the conversion device, the transfer transistors include 2M transfer transistors, the charge drainage transistors include 2N charge drainage transistors, where M is an integer greater than or equal to 2, and N is an integer greater than or equal to 1, M transfer transistors are positioned on each long side of the conversion device symmetrically to an x-axis parallel to the long sides and through a center of the conversion device, the M transfer transistors on one long side face the M transfer transistors on the other long side, and the 2N charge drainage transistors are positioned on respective short sides of the conversion device.

Abstract: A range imaging device includes a semiconductor substrate, and a pixel circuit formed at a surface of the semiconductor substrate and including a photoelectric conversion device, charge storages, transfer MOS transistors, and one or more charge drainage MOS transistors positioned on a drainage path. The photoelectric conversion device formed at the surface of the semiconductor substrate has an N-sided polygonal shape, total number of the transfer MOS transistors and the charge drainage MOS transistor is N or more, where N is an integer greater than or equal to 5, and the N-sided polygonal shape of the photoelectric conversion device has N sides including at least one first side at which the charge drainage MOS transistor is positioned, and second sides other than the at least one first side such that each of the second sides is a side at which a corresponding one of the transfer MOS transistors is positioned.

Abstract: A photoelectric conversion element includes a substrate and an optical element. The substrate has a first surface on which reflected light reflected from an object is incident, and includes a first semiconductor region and a second semiconductor region, the second semiconductor region being formed in a direction perpendicular to the first surface and extended from the first surface toward an inside of the substrate. The optical element is positioned on a first surface side of the substrate and collects the reflected light to the second semiconductor region. The first semiconductor region includes a first conductive type semiconductor, the second semiconductor region includes a second conductive type semiconductor. The substrate and the optical element are structured such that a relational expression 0.95*exp(??(?)*z)?B(z)/A1?1.05*exp(??(?)*z) is established at a distance z=z0 when A1?A2 is satisfied and a distance z0=In(2)/?(?) is established.

Abstract: A photoelectric conversion device including a substrate including a charge generation region, a dielectric layer formed on the substrate, and a phase adjustment layer formed on the dielectric layer and having an upper surface and a lower surface. In a cross-sectional view of the photoelectric conversion device, a first plane extends parallel to the substrate in contact with the upper surface of the phase adjustment layer, a second plane is the lower surface of the phase adjustment layer, and the phase adjustment layer is formed such that the reflected light which has entered the first plane perpendicularly to the photoelectric conversion device and travels from the first plane to the second plane has an optical path length that varies depending on a position where the reflected light is incident on the first plane.

Abstract: The problem addressed lies in providing a conductive film, a touch panel and a display device which make it possible to suppress a deterioration in the quality of images observed on the display device. In a power spectrum obtained by means of a two-dimensional Fourier transform of each of an electrode wire pattern formed from electrode wires which bend irregularly and a reference pattern formed by regular bent lines, a value obtained by dividing, at predetermined frequency widths, the cumulative value of spectral intensity of each frequency width by the frequency width is a spectral density, and a first evaluation value, which is a common logarithm of a value obtained by dividing the cumulative value of the spectral density in a defined frequency region of the electrode wire pattern by the cumulative value of the spectral density in a defined frequency region of the reference pattern, is 3.6 or less.

Abstract: [Problem] The problem addressed by the present invention lies in providing a conductive film, a touch panel and a display device which make it possible to suppress a reduction in the quality of an image observed on a display device. [Solution] A drive lattice 31DL includes an enlargement region, and a sensing lattice 33SL includes a facing region lying over the enlargement region with a transparent dielectric layer therebetween.

Abstract: Each of a plurality of first electrodes which extend in a first direction on a first surface of a transparent dielectric layer and are arranged in a first intersecting direction intersecting the first direction includes a plurality of first electrode wires having a bent line shape which extends in the first direction. A region between two first electrode wires that are adjacent to one another in the first intersecting direction is an intermediate region, the intermediate region includes an enlarging region in which the length of the intermediate region in the first intersecting direction becomes larger in the first direction, and a contracting region in which the length of the intermediate region in the first intersecting direction becomes smaller in the first direction, and the enlarging region and the contracting region are disposed alternately in the first direction.

Abstract: An embossed sheet configuring a decorative sheet includes a sheet-shaped base that has translucency, and a plurality of reflective portions provided on one surface of the base. Each of the plurality of reflective portions has a reflective main surface that reflects incident light, and connecting surfaces that are provided between the reflective main surface and the base. Each reflective main surface is rectilinear on a first cross-section and curvilinear on a second cross-section. A gradient of a straight line at a center position of the reflective main surface that is rectilinear on the first cross-section, in relation to the one surface of the base, varies within a range of ±40 degrees in each of the plurality of reflective portions. As a result, the reflective portion can reflect incident light at regular and non-regular angles.

Abstract: The problem addressed lies in providing a conductive film, a touch panel and a display device which make it possible to suppress a deterioration in the quality of images observed on the display device. In a power spectrum obtained by means of a two-dimensional Fourier transform of each of an electrode wire pattern formed from electrode wires which bend irregularly and a reference pattern formed by regular bent lines, a value obtained by dividing, at predetermined frequency widths, the cumulative value of spectral intensity of each frequency width by the frequency width is a spectral density, and a first evaluation value, which is a common logarithm of a value obtained by dividing the cumulative value of the spectral density in a defined frequency region of the electrode wire pattern by the cumulative value of the spectral density in a defined frequency region of the reference pattern, is 3.6 or less.

Abstract: [Problem] The problem addressed by the present invention lies in providing a conductive film, a touch panel and a display device which make it possible to suppress a reduction in the quality of an image observed on a display device. [Solution] A drive lattice 31DL includes an enlargement region, and a sensing lattice 33SL includes a facing region lying over the enlargement region with a transparent dielectric layer therebetween.

Abstract: An embossed sheet configuring a decorative sheet includes a sheet-shaped base that has translucency, and a plurality of reflective portions provided on one surface of the base. Each of the plurality of reflective portions has a reflective main surface that reflects incident light, and connecting surfaces that are provided between the reflective main surface and the base. Each reflective main surface is rectilinear on a first cross-section and curvilinear on a second cross-section. A gradient of a straight line at a center position of the reflective main surface that is rectilinear on the first cross-section, in relation to the one surface of the base, varies within a range of ±40 degrees in each of the plurality of reflective portions. As a result, the reflective portion can reflect incident light at regular and non-regular angles.

Abstract: In an illumination device of the invention, as an arrangement interval of light deflection elements in a first direction discontinuously varies, an arrangement interval in a first direction becomes small with increased distance from an incidence face, where one of regions adjacent to each other which is close to the incidence face is referred to as a first region, the other of the regions which is away from the incidence face is referred to as a second region, as the arrangement interval of the light deflection elements in a second direction discontinuously varies at a boundary between the first region and the second region, the arrangement interval of part of the first region which is closest to the incidence face is smaller than the arrangement interval of part of the second region which is closest to the boundary.

Abstract: An illuminating device includes a light source which outputs light, a light guide member having an incident surface on which the light from the light source is incident, an output surface through which the light is output from the light guide member, and a light deflection surface on which light deflection elements are formed such that the light is guided toward the output surface, and an isotropic light diffusion member positioned over the output surface of the light guide member. The light guide member has the incident surface extended in an X direction and includes a unit lens formed on the output surface and extended in a Y direction orthogonal to the X direction. A light-deflection element density D representing a number of the light deflection elements per unit area increases as the light deflection elements are positioned farther away from the incident surface.

Abstract: An illuminating device includes one or more light sources that output light, a translucent light guide member having one or more side surfaces and a light output surface, and a lens sheet positioned over the light output surface of the light guide member and including a first array of lenses and a second array of lenses extended in directions intersecting each other. The light source is positioned to have an optical axis substantially in agreement with a normal direction of the side surface of the translucent light guide member, and the first array or the second array of the lenses which is extended in a direction substantially orthogonal to the optical axis of the light source has a surface area in a range of from 20% to 50% with respect to a total surface area of the first and second arrays of the lenses.