Abstract: A cognitive function evaluation device includes: an obtainment unit configured to obtain speech data indicating speech uttered by a subject; a calculation unit configured to extract a plurality of vowels from the speech data obtained by the obtainment unit, and calculate, for each of the plurality of vowels, a feature value based on a frequency and an amplitude of at least one formant obtained from a spectrum of the vowel; an evaluation unit configured to evaluate a cognitive function of the subject from the feature value calculated by the calculation unit; and an output unit configured to output an evaluation result of the evaluation unit.

Abstract: A cognitive function evaluation device includes: an obtainment unit configured to obtain speech data indicating speech uttered by a subject; a calculation unit configured to extract a plurality of vowels from the speech data obtained by the obtainment unit, and calculate, for each of the plurality of vowels, a feature value based on a frequency and an amplitude of at least one formant obtained from a spectrum of the vowel; an evaluation unit configured to evaluate a cognitive function of the subject from the feature value calculated by the calculation unit; and an output unit configured to output an evaluation result of the evaluation unit.

Abstract: A display control method is provided for a vehicle having a front pillar. An image of a region about the vehicle is obtained from a camera. The region includes a driver's blind spot caused by the front pillar of the vehicle. From the obtained image, an image of the driver's blind spot is extracted in a shape of a curved display provided along a curved interior surface of the front pillar. The curved display is caused to display the extracted image.

Abstract: A luminaire includes a radio wave sensor and a luminaire body. The luminaire body includes a first plate to be attached to a building surface and a second plate facing each other forming an internal space. The luminaire body holds the radio wave sensor between the first plate and the second plate. The radio wave sensor includes an antenna for transmitting and receiving the radio waves. The luminaire body includes an opening and a limiter. The opening is formed in the second plate to allow radio waves transmitted from the antenna to exit to an outside of the luminaire body. The limiter is provided between the antenna and the opening to limit a radiation area of the radio waves transmitted from the antenna.

Abstract: A display control method is provided for a vehicle having a front pillar. An image of a region about the vehicle is obtained from a camera. The region includes a driver's blind spot caused by the front pillar of the vehicle. From the obtained image, an image of the driver's blind spot is extracted in a shape of a curved display provided along a curved interior surface of the front pillar. The curved display is caused to display the extracted image.

Abstract: An image display system includes a display provided on an interior surface of a vehicle body structure, including a front pillar, and a camera that captures an image of an extended region including an image of a blind spot region outside the vehicle body structure. When the door is in a closed state, the image display system causes the display to display the image of the blind spot region. The image of the blind spot region is generated based on the image of the extended region captured by the camera, by extracting, from the image of the extended region, the image of the blind spot region in a shape of the display. An interior surface of the front pillar includes a curved shape. The display is provided in the interior surface of the front pillar along the curved shape of the interior surface of the front pillar.

Abstract: A radio wave sensor includes a transmitting antenna configured to radiate radio waves, a receiving antenna configured to receive incoming radio waves, and a housing that is composed of dielectric material and faces the transmitting and receiving antennas. The housing has a first part that faces the transmitting antenna, a second part that faces the receiving antenna, and a third part between the first and second parts. In a facing direction in which a bottom board of the housing faces the transmitting and receiving antennas, respective thickness of the first and second parts is thicker than thickness of the third part.

Abstract: A display apparatus according to one aspect of the present disclosure includes at least one flexible display panel including a first picture element that emits a red light, a second picture element that emits a green light, a third picture element that emits a blue light, and a fourth picture element. Each of the first picture element, the second picture element, and the third picture element includes an organic electroluminescent element as a light source and is driven by an active matrix method. The fourth picture element includes an organic electroluminescent element as a light source and is driven by a passive method.

Abstract: A radio wave sensor includes a transmitting antenna configured to radiate radio waves, a receiving antenna configured to receive incoming radio waves, and a housing that is composed of dielectric material and faces the transmitting and receiving antennas. The housing has a first part that faces the transmitting antenna, a second part that faces the receiving antenna, and a third part between the first and second parts. In a facing direction in which a bottom board of the housing faces the transmitting and receiving antennas, respective thickness of the first and second parts is thicker than thickness of the third part.

Abstract: An image display system includes a display provided on an interior surface of a vehicle body structure, including a front pillar, and a camera that captures an image of an extended region including an image of a blind spot region outside the vehicle body structure. When the door is in a closed state, the image display system causes the display to display the image of the blind spot region. The image of the blind spot region is generated based on the image of the extended region captured by the camera, by extracting, from the image of the extended region, the image of the blind spot region in a shape of the display. An interior surface of the front pillar includes a curved shape. The display is provided in the interior surface of the front pillar along the curved shape of the interior surface of the front pillar.

Abstract: The image display system includes a display that is provided on an interior surface of a vehicle body structure and that includes a first display region facing the doorway, and a camera adapted to capture an image of a blind spot region outside the vehicle body structure. When the door is in a closed state, the image display system is adapted to cause the display to display the image of the blind spot region, and when the door is in an open state, the image display system is adapted to cause the display to display an illumination image of a fixed pattern.

Abstract: A luminaire includes a radio wave sensor and a luminaire body. The luminaire body includes a first plate to be attached to a building surface and a second plate facing each other forming an internal space. The luminaire body holds the radio wave sensor between the first plate and the second plate. The radio wave sensor includes an antenna for transmitting and receiving the radio waves. The luminaire body includes an opening and a limiter. The opening is formed in the second plate to allow radio waves transmitted from the antenna to exit to an outside of the luminaire body. The limiter is provided between the antenna and the opening to limit a radiation area of the radio waves transmitted from the antenna.

Abstract: A luminaire includes a radio wave sensor, a luminaire body and a cover. The radio wave sensor is configured to detect, using radio waves, movement of an object within a detection area by a Doppler Effect due to the movement of the object. The luminaire body holds the radio wave sensor. The cover is attached to the luminaire body and covers the radio wave sensor, the cover allowing the radio waves to pass through. The radio wave sensor includes an antenna for transmitting/receiving the radio waves. An antenna face (receiving surface) of the antenna for receiving the radio waves is inclined relative to the cover.

Abstract: An operation switch includes: a capacitance sensor that generates three or more detection signals in response to approach or contact of an object to respective three or more electrodes; a determination circuit that determines whether or not the object is a living body based on one or more detection signals selected from the three or more detection signals, the one or more detection signals excluding a detection signal having a maximum intensity among the three or more detection signals; and a controller that, when the object is determined to be a living body, generates an operation signal for operating a predetermined device.

Abstract: An operation switch includes: a capacitance sensor that generates three or more detection signals in response to approach or contact of an object to respective three or more electrodes; a determination circuit that determines whether or not the object is a living body based on one or more detection signals selected from the three or more detection signals, the one or more detection signals excluding a detection signal having a maximum intensity among the three or more detection signals; and a controller that, when the object is determined to be a living body, generates an operation signal for operating a predetermined device.

Abstract: A control switch for controlling a level of an operation of an apparatus among operating levels including first, second, and third operating levels includes: sensors each of which, in operation, senses an object, the sensors including first, second, and third sensors arranged along one direction, the first, second, and third sensors being assigned first, second, and third level values, respectively; an acquisition circuit that, in operation, acquires a moving velocity of the object along the direction with the first, second, and third sensors; a change circuit that, in operation, changes at least two of the first, second, and third level values according to the moving velocity; and a control circuit that, in operation, causes the apparatus to operate at an operating level corresponding to the level value assigned to one of the first, second, and third sensors which has sensed the object.

Abstract: A control switch for controlling a level of an operation of an apparatus among operating levels including first, second, and third operating levels includes: sensors each of which, in operation, senses an object, the sensors including first, second, and third sensors arranged along one direction, the first, second, and third sensors being assigned first, second, and third level values, respectively; an acquisition circuit that, in operation, acquires a moving velocity of the object along the direction with the first, second, and third sensors; a change circuit that, in operation, changes at least two of the first, second, and third level values according to the moving velocity; and a control circuit that, in operation, causes the apparatus to operate at an operating level corresponding to the level value assigned to one of the first, second, and third sensors which has sensed the object.

Abstract: A thin film transistor according to the present disclosure including: a gate electrode above a substrate; a gate insulating layer covering the gate electrode; a semiconductor layer above the gate insulating layer; and a source electrode and a drain electrode which are above the gate insulating layer, and electrically connected to the semiconductor layer, in which the gate insulating layer includes a first area and a second area, the first area being above the gate electrode, the second area being different from an area above the gate electrode, and made of a same substance as the first area, and the first area has a higher density than a density of the second area.

Abstract: A display apparatus according to one aspect of the present disclosure includes at least one flexible display panel including a first picture element that emits a red light, a second picture element that emits a green light, a third picture element that emits a blue light, and a fourth picture element. Each of the first picture element, the second picture element, and the third picture element includes an organic electroluminescent element as a light source and is driven by an active matrix method. The fourth picture element includes an organic electroluminescent element as a light source and is driven by a passive method.

Abstract: A thin-film transistor includes a substrate, a gate electrode over the substrate, an insulating layer over the gate electrode, and a semiconductor layer over the insulating layer. The semiconductor layer includes a channel region, a source region, and a drain region. A source electrode is over the source region, and a drain electrode is over the drain region. The source electrode and the drain electrode each comprise Ni and a metal other than Ni. The channel region, the source region, and the drain region comprise at least one of a polycrystalline silicon that is formed by crystallizing an amorphous silicon layer by thermally diffusing the Ni in the source electrode and the drain electrode into the semiconductor layer and a microcrystalline silicon that is formed by crystallizing an amorphous silicon layer by thermally diffusing the Ni in the source electrode and the drain electrode into the semiconductor layer.