Abstract: A signal processing device includes: a fundamental frequency calculation unit for calculating a fundamental frequency from the touch location; a target waveform calculation unit for modulating a waveform of the fundamental frequency by an envelope waveform of a vibration according to the stimulation type to be presented at the touch location, to calculate a target waveform for the vibration to be presented at the touch location. The fundamental frequency calculation unit calculates the fundamental frequency based on a first distance so that the shorter the first distance is, the higher the fundamental frequency is, the first distance being a minimum distance among distances between touch locations and between a touch location and a support of a panel.

Abstract: A tactile sense presentation device calculates a first drive voltage signal by using a target vibration preset to correspond to a touch position and a vibration transfer characteristic up to the touch position through an actuator, and reduces components of a first frequency band of the first drive voltage signal less than a preset frequency to calculate a second drive voltage signal within a preset voltage range, whereby vibration presenting appropriate tactile stimulus to a user can be generated within the preset voltage range.

Abstract: To provide an organic EL device having a low voltage, high efficiency and extended lifetime characteristics, and a host material for use in the organic EL device. A host material for an organic EL device, including a compound represented by the following general formula (1), or a structural isomer thereof: wherein X represents N or C—H and at least one thereof represents N, L independently represents an aromatic hydrocarbon group, and R2 to R6 represent hydrogen, an aliphatic hydrocarbon group, an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group in which two to five of these aromatic rings are linked to each other, provided that R2 and at least one of others do not represent hydrogen.

Abstract: To provide a practically useful organic EL device having a low driving voltage and also having a high efficiency and a long lifetime, and a deuteride suitable therefor. A deuteride of a compound represented by the following general formula (1), in which a rate of deuteration of hydrogen atoms on two carbazole rings in the compound is 30% or more, wherein Ar1 and Ar2 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted linked aromatic group in which two to five of these aromatic rings are linked to each other, and aromatic hydrocarbon groups in the case of these aromatic rings linked are the same as or different from each other.

Abstract: To provide a practically useful organic EL device having a low driving voltage and also having a high efficiency and a long lifetime, and a deuteride suitable therefor. A deuteride of a compound represented by the following general formula (1), in which a rate of deuteration of hydrogen atoms on two carbazole rings in the compound is 30% or more and a rate of deuteration of hydrogen atoms on aromatic rings in Ar1 and Ar2 in the compound are 40% or more, wherein Ar1 and Ar2 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted linked aromatic group in which two to five of these aromatic rings are linked to each other, and aromatic hydrocarbon groups in the case of these aromatic rings linked are the same as or different from each other.

Abstract: To provide a practically useful organic EL device having a low driving voltage and also having a high efficiency and a long lifetime, and a deuteride suitable therefor. A deuteride of a compound represented by the following general formula (1), in which a rate of deuteration of hydrogen atoms on aromatic rings in Ar1 and Ar2 in a compound represented by the following general formula (1) is 40% or more, wherein Ar1 and Ar2 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted linked aromatic group in which two to five of these aromatic rings are linked to each other, and aromatic hydrocarbon groups in the case of these aromatic rings linked are the same as or different from each other.

Abstract: In a tactile sensation presentation panel according to the present disclosure, a tactile sensation presentation screen includes a tactile sensation electrode including a plurality of first electrodes and a plurality of second electrodes alternately disposed on a transparent insulation substrate at intervals. A first voltage signal having a first frequency is applied to the plurality of first electrodes located in at least a partial region of the transparent insulation substrate, and a second voltage signal having a second frequency different from the first frequency is applied to the plurality of second electrodes located in the at least partial region of the transparent insulation substrate. First electrostatic capacitance formed between the tactile sensation electrode and a pointer is calculated. An amplitude voltage and frequency of first and second voltage signals are adjusted based on the calculated first electrostatic capacitance.

Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to the user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile control unit that performs control to present different tactile senses to each of a plurality of operation regions on the operation surface when the tactile presentation knob is rotationally operated. When the tactile presentation knob is present in one of the operation regions, the tactile control unit performs control to present, as the tactile sense, a frictional force generated in the tactile presentation knob to the operation region.

Abstract: A planar light source device includes a plurality of light sources that is independently drivable, a first light guide to emit light incident from the first light source from an emitting surface in an emitting direction, a second light guide that is contained in a second light emitting region adjacent to a first light emitting region containing the first light guide and emits light incident from a second light source from the emitting surface in the emitting direction, and a partition frame having a partition wall that is positioned between the first light guide and the second light guide, partitions the first light emitting region and the second light emitting region, and is provided with a gap from the emitting surface of the first light guide, in which an angle formed by a wall surface and a bottom face of the partition wall is an acute angle.

Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile determination unit that determines the tactile sense according to a state of an apparatus operated with the tactile presentation knob, and a tactile control unit that performs control to present, as the tactile sense determined by the tactile determination unit, a frictional force between the tactile presentation knob and the operation surface in a state where the tactile presentation knob and the operation surface have contact with each other.

Abstract: In relation to a tactile presentation panel, a tactile presentation panel has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob, and includes a control circuit that divides the operation surface into a plurality of regions, assigns a control target to each of divided regions, and sets a tactile sense to be presented for each of the divided regions, a tactile control circuit that generates a tactile sense set by the control circuit for each of the divided regions by changing a frictional force between the operation surface and the tactile presentation knob, and a touch detection circuit that detects a position on the tactile presentation panel of the tactile presentation knob. The tactile presentation knob is placed in the divided region so that the control target is selected.

Abstract: Provided is an organic EL device having high efficiency and high driving stability while being driven at a low voltage. The organic electroluminescent device includes one or more light-emitting layers between an anode and a cathode opposite to each other. At least one of the light-emitting layers contains a host material and a light-emitting dopant, and (i) a first host formed of an indolocarbazole compound having one or two indolocarbazole rings, and (ii) a second host formed of a carbazole compound having a plurality of carbazole rings and having a bond structure represented by the following general formula (3) are used as the host material.

Abstract: Regarding a tactile presentation panel, a tactile presentation panel that has a tactile presentation knob having a conductive member placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob includes a movement amount calculation circuit that calculates a movement amount of the tactile presentation knob from current coordinates on the tactile presentation panel of the tactile presentation knob and past coordinates of the tactile presentation knob, a tactile strength calculation circuit that calculates a tactile strength to be applied to the user based on the movement amount, and a tactile presentation circuit that sets a voltage signal waveform based on the tactile strength. The movement amount is at least one of a rotation angle and a rotation speed of the tactile presentation knob.

Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to the user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile control unit that performs control to present different tactile senses to each of a plurality of operation regions on the operation surface when the tactile presentation knob is rotationally operated. When the tactile presentation knob is present in one of the operation regions, the tactile control unit performs control to present, as the tactile sense, a frictional force generated in the tactile presentation knob to the operation region.

Abstract: In relation to a tactile presentation panel, a tactile presentation panel has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob, and includes a control circuit that divides the operation surface into a plurality of regions, assigns a control target to each of divided regions, and sets a tactile sense to be presented for each of the divided regions, a tactile control circuit that generates a tactile sense set by the control circuit for each of the divided regions by changing a frictional force between the operation surface and the tactile presentation knob, and a touch detection circuit that detects a position on the tactile presentation panel of the tactile presentation knob. The tactile presentation knob is placed in the divided region so that the control target is selected.

Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile determination unit that determines the tactile sense according to a state of an apparatus operated with the tactile presentation knob, and a tactile control unit that performs control to present, as the tactile sense determined by the tactile determination unit, a frictional force between the tactile presentation knob and the operation surface in a state where the tactile presentation knob and the operation surface have contact with each other.

Abstract: In a tactile sensation presentation panel according to the present disclosure, a tactile sensation presentation screen includes a tactile sensation electrode including a plurality of first electrodes and a plurality of second electrodes alternately disposed on a transparent insulation substrate at intervals. A first voltage signal having a first frequency is applied to the plurality of first electrodes located in at least a partial region of the transparent insulation substrate, and a second voltage signal having a second frequency different from the first frequency is applied to the plurality of second electrodes located in the at least partial region of the transparent insulation substrate. First electrostatic capacitance formed between the tactile sensation electrode and a pointer is calculated. An amplitude voltage and frequency of first and second voltage signals are adjusted based on the calculated first electrostatic capacitance.

Abstract: A planar light source device includes a plurality of light sources that is independently drivable, a first light guide to emit light incident from the first light source from an emitting surface in an emitting direction, a second light guide that is contained in a second light emitting region adjacent to a first light emitting region containing the first light guide and emits light incident from a second light source from the emitting surface in the emitting direction, and a partition frame having a partition wall that is positioned between the first light guide and the second light guide, partitions the first light emitting region and the second light emitting region, and is provided with a gap from the emitting surface of the first light guide, in which an angle formed by a wall surface and a bottom face of the partition wall is an acute angle.

Abstract: The vibrating element generates vibration in the touch panel. In the display apparatus, there exist three directions including an x-axis direction and a y-axis direction along the display surface and a z-axis direction orthogonal to the display surface. The plurality of supports are configured such that touch panel does not move in the x-axis direction and the z-axis direction being two directions included in the three directions. Of the three directions, the direction other than the two directions coincides with a vibration direction being a direction of vibration generated by the vibrating element. The touch panel is configured so that the touch panel is configured to move in the vibration direction.

Abstract: Provided is a practically useful organic electroluminescent device (organic EL device) having high efficiency and high driving stability while being capable of being driven at a low voltage. The organic electroluminescent device includes a light-emitting layer between an anode and a cathode opposite to each other. The light-emitting layer contains two host materials and at least one light-emitting dopant. One of the two host materials is a host material selected from an indolocarbazole compound having one indolocarbazole ring and an indolocarbazole compound having two indolocarbazole rings, and the other thereof is a host material selected from carbazole compounds.