Abstract: A detection device includes a first optical sensor, a second optical sensor disposed at a predetermined distance from the first optical sensor, a light source that emits light to be detected by the first optical sensor and the second optical sensor facing a living body tissue including a blood vessel, and a processor that calculates a pulse wave velocity of the blood vessel based on a time-series variation of an output of the first optical sensor, a time-series variation of an output of the second optical sensor, and the predetermined distance.

Abstract: A detection device includes a plurality of optical sensors arranged in a detection area, a light source configured to emit light that is emitted to an object to be detected and is detected by the optical sensors, and a processor configured to perform processing based on outputs from the optical sensors. The processor is configured to determine, based on the outputs of the respective optical sensors obtained at a cycle of a predetermined period, an optical sensor an output of which is to be employed from among the optical sensors.

Abstract: The problem of the present disclosure is to provide a photo sensor circuit that uses oxide semiconductor transistors and the operation of which is stable. The photo sensor circuit includes: a photo transistor; a first switching transistor; a second switching transistor; and a capacitance element. The photo transistor includes: a gate connected to a first wiring; a source connected to a second wiring; and a drain. The first switching transistor includes: a gate connected to a third wiring; a source connected to a fourth wiring; and a drain connected to the drain of the photo transistor. The capacitance element includes: a first terminal connected to the drain of the photo transistor; and a second terminal connected to the source of the first switching transistor. The second switching transistor includes: a gate connected to a gate line; a source connected to a signal line; and a drain connected to the first terminal of the capacitance element.

Abstract: According to one embodiment, a driving method of a display device including a display area in which liquid crystal pixels are arranged in a matrix, a plurality of scanning lines arranged along display rows, a plurality of signal lines arranged along display columns, a backlight which illuminates the display area, and a controller which controls a display operation, the driving method includes via the controller, driving the scanning lines alternately from a center of the display area to both edges of the display area, outputting video data corresponding to a driven scanning line to the signal lines in synchronization with the driving of the scanning line, and turning on the backlight for a predetermined time after outputting the video data of one frame.

Abstract: A detection device according to an aspect includes: a sensor base; a plurality of photoelectric conversion elements that are provided in a detection area of the sensor base and are configured to receive light incident thereon and output signals corresponding to the received light; a plurality of switching elements provided in the respective photoelectric conversion elements; a plurality of gate lines that are coupled to the switching elements and extend in a first direction; a first light source configured to emit first light having a first maximum emission wavelength; and a second light source configured to emit second light having a second maximum emission wavelength.

Abstract: According to one embodiment, an electronic apparatus includes a camera and a liquid crystal panel including a display portion which overlaps the camera. The liquid crystal panel includes a first transparent electrode which overlaps the camera and a light-shielding layer including a first opening having a circular shape and superposed on the first transparent electrode.

Abstract: According to an aspect, a detection device includes: an insulating substrate; a plurality of photoelectric conversion elements that are arranged in a detection area of the insulating substrate, and each of which is configured to receive light and output a signal corresponding to the received light; a first switching element that is provided for each photoelectric conversion element and includes a first semiconductor, a source electrode, and a drain electrode; and an inorganic insulating layer provided between the photoelectric conversion element and the first switching element in a normal direction of the insulating substrate.

Abstract: A fingerprint detection device includes a substrate, a plurality of photoelectric conversion elements that are provided to the substrate and each output a signal corresponding to light emitted thereto, a plurality of signal lines coupled to the photoelectric conversion elements, a detection circuit that is electrically coupled to the photoelectric conversion elements through the signal lines, and a signal line selection circuit that switches the number of the signal lines to be coupled to the one detection circuit.

Abstract: According to one embodiment, a semiconductor device including, a panel including an inorganic film, and a first pad and a second pad positioned on the inorganic film, and a line substrate including a first connection line electrically connected to the first pad, and a second connection line electrically connected to the second pad, the line substrate positioned on the panel, wherein the inorganic film includes a first cut portion overlapping the first connection line, a second cut portion overlapping the second connection line, and a first extension portion between the first cut portion and the second cut portion, and the first cut portion, the second cut portion, and the first extension portion extend to a first side of the panel.

Abstract: A fingerprint detection apparatus comprising: an insulating substrate; a plurality of photoelectric conversion elements arrayed in a detection region of the insulating substrate, each of the photoelectric conversion elements configured to output a signal in accordance with light incident on each of the photoelectric conversion elements; first switching element, each corresponding to each of the photoelectric conversion elements and including a first semiconductor made of oxide semiconductor; a plurality of gate lines coupled with the first switching elements and extending in a first direction; a plurality of signal lines coupled with the first switching elements and extending in a second direction intersecting the first direction; and a gate line drive circuit including a second switching element that includes a second semiconductor made of polycrystalline silicone, the gate line drive circuit being provided in a peripheral region outside the detection region and configured to drive the gate lines.

Abstract: The problem of the present disclosure is to provide a photo sensor circuit that uses oxide semiconductor transistors and the operation of which is stable. The photo sensor circuit includes: a photo transistor; a first switching transistor; a second switching transistor; and a capacitance element. The photo transistor includes: a gate connected to a first wiring; a source connected to a second wiring; and a drain. The first switching transistor includes: a gate connected to a third wiring; a source connected to a fourth wiring; and a drain connected to the drain of the photo transistor. The capacitance element includes: a first terminal connected to the drain of the photo transistor; and a second terminal connected to the source of the first switching transistor. The second switching transistor includes: a gate connected to a gate line; a source connected to a signal line; and a drain connected to the first terminal of the capacitance element.

Abstract: According to one embodiment, an optical sensor device includes an insulating substrate, a first conductive layer and an optical sensor element disposed between the insulating substrate and the first conductive layer. The optical sensor element is electrically connected to the first conductive layer and covered by the first conductive layer. The optical sensor element includes a first semiconductor layer formed of an oxide semiconductor and controls an amount of charge flowing to the first conductive layer according to an amount of incident light to the first semiconductor layer.

Abstract: According to one embodiment, a display device includes a pixel, a scanning line, a signal line, a pixel electrode, a first switching element, and a capacitance line producing capacitance together with the pixel electrode. The first switching element includes a first semiconductor layer connected to the signal line and the pixel electrode, and a first gate electrode opposed to the first semiconductor layer and connected to the scanning line. The capacitance line includes a first portion opposed to the scanning line and extending in an extension direction of the scanning line, a second portion connected to the first portion and opposed to the pixel electrode.

Abstract: According to one embodiment, a display device equipped with a touch detection function includes scanning lines, and series-connected unit register circuits, wherein a touch detection operation is performed in a scan stop period, each of the unit register circuits is composed of single-channel transistors, holds and outputs a scanning signal when a voltage leak of a held signal is equal to or lower than a predetermined value, a dummy unit register circuit is provided between a previous unit register circuit which drives a last scanning line before start of the scan stop period and a subsequent unit register circuit which drives a first scanning line after end of the scan stop period, and the dummy unit register circuit continues outputting the scanning signal to the subsequent unit register circuit during the scan stop period.

Abstract: According to one embodiment, a display device includes a pixel, a scanning line, a signal line, a pixel electrode, a first switching element, and a capacitance line producing capacitance together with the pixel electrode. The first switching element includes a first semiconductor layer connected to the signal line and the pixel electrode, and a first gate electrode opposed to the first semiconductor layer and connected to the scanning line. The capacitance line includes a first portion opposed to the scanning line and extending in an extension direction of the scanning line, a second portion connected to the first portion and opposed to the pixel electrode.

Abstract: According to one embodiment, a display device includes a pixel, a scanning line, a signal line, a pixel electrode, a first switching element, and a capacitance line producing capacitance together with the pixel electrode. The first switching element includes a first semiconductor layer connected to the signal line and the pixel electrode, and a first gate electrode opposed to the first semiconductor layer and connected to the scanning line. The capacitance line includes a first portion opposed to the scanning line and extending in an extension direction of the scanning line, a second portion connected to the first portion and opposed to the pixel electrode.

Abstract: A detection apparatus includes a substrate, a plurality of first electrodes provided on the substrate, and a first electrode selection circuit provided on the substrate and including a first selection circuit configured to provide a first selection signal having a phase determined for each of the plurality of first electrodes and a second selection circuit configured to provide a second selection signal having a phase determined for each of first electrode blocks including the plurality of first electrodes.

Abstract: According to one embodiment, a liquid crystal display device includes touch-sensor electrodes, an array substrate including pixel electrodes, gate lines, source lines, switching elements, a light-shielding layer, and a plurality of stripe-like common electrodes, a counter-substrate, and a liquid crystal layer, wherein the common electrodes included in the array substrate are used not only as electrodes for display, but also as touch-sensor electrodes and, in a touch operation, a touch drive signal is input to each drive unit electrode including a plurality of common electrodes, and the light-shielding layer is divided into parts each of which corresponds to the drive unit electrode, and is provided to extend across a region opposed to a region of the drive unit electrode.

Abstract: According to one embodiment, a display device including a first source line, a second source line and a third source line arranged in a first direction, a first gate line crossing the first source line, a second gate line separated from the first gate line in the first direction and crossing the third source line, a first semiconductor layer including a first crossing portion which crosses the first gate line and is located on a first source line side between the first source line and the second source line, and a second semiconductor layer including a second crossing portion which crosses the second gate line and is located on a third source line side between the second source line and the third source line.

Abstract: According to one embodiment, a driving method of a display device including a display area in which liquid crystal pixels are arranged in a matrix, a plurality of scanning lines arranged along display rows, a plurality of signal lines arranged along display columns, a backlight which illuminates the display area, and a controller which controls a display operation, the driving method includes via the controller, driving the scanning lines alternately from a center of the display area to both edges of the display area, outputting video data corresponding to a driven scanning line to the signal lines in synchronization with the driving of the scanning line, and turning on the backlight for a predetermined time after outputting the video data of one frame.