Abstract: A charger includes a power receiving unit, a power storage unit, and a power transmission unit. The power receiving unit is configured to receive, through wireless power supply via radio waves, power transmitted from a power transmitting device disposed in a vehicle. The power storage unit is configured to be supplied and charged with the power received by the power receiving unit. The power transmission unit is configured to transmit, through wireless power supply via electromagnetic induction, the power stored in the power storage unit to an electrical device that is to be charged.

Abstract: A wirelessly rechargeable power supply device includes a circuit board, a power storage device, two or more antennas configured to receive power, a housing that accommodates the circuit board, the power storage device, and the two or more antennas, and a charging circuit that is mounted on the circuit board and is configured to charge the power storage device with the power received by the two or more antennas. The two or more antennas include a first antenna and a second antenna. A direction in which a sensitivity of the first antenna is lowest and a direction in which a sensitivity of the second antenna is lowest are different from each other.

Abstract: A power transmitting device includes a power transmitting unit configured to perform power transmission to the power receiving device through contactless power supply, and a memory unit that stores appropriate power supply information, and processing circuitry that is configured to switch a power transmission mode of the power transmitting unit. The processing circuitry is configured to acquire power supply information in a surrounding environment at execution of the power transmission, determine whether the power supply information and the appropriate power supply information are different from each other, set the power transmission mode to a limit mode when determining that the power supply information and the appropriate power supply information are different from each other, and set the power transmission mode to a normal-output mode when determining that the power supply information and the appropriate power supply information are not different from each other.

Abstract: A composition with which a cured film having excellent light shielding properties and low reflection properties can be produced is provided; a light shielding film; a solid-state imaging element; an image display device; and a method for manufacturing a cured film. The composition including carbon black, barium sulfate, one or more kinds selected from the group consisting of copper phthalocyanine and a copper phthalocyanine derivative, a resin, and a solvent, in which the solvent includes a solvent A having a boiling point of 180° C. or higher, a solvent B having a boiling point of 140° C. or higher and lower than 180° ° C., and a solvent C having a boiling point of 100° C. or higher and lower than 140° C.

Abstract: An auxiliary power receiving device includes a power receiving unit, a notification unit, and a notification controlling unit. The power receiving unit receives power from a power transfer signal, which is used to supply power from a power transmitting device to a power receiving device. The notification unit may be provided on a main surface of a plate-shaped member. The notification controlling unit controls a notification performed by the notification unit in accordance with a power reception condition of the power transfer signal at the power receiving unit.

Abstract: Provided are a composition with which a cured film having excellent light shielding properties and small change in reflectivity before and after a heat resistance test can be produced; a light shielding film; a solid-state imaging element; an image display device; and a method for manufacturing a cured film. The composition includes carbon black, silica, barium sulfate, a polymerizable compound, and a polymerization initiator.

Abstract: A charger includes a power receiving unit, a power storage unit, and a power transmission unit. The power receiving unit is configured to receive, through wireless power supply via radio waves, power transmitted from a power transmitting device disposed in a vehicle. The power storage unit is configured to be supplied and charged with the power received by the power receiving unit. The power transmission unit is configured to transmit, through wireless power supply via electromagnetic induction, the power stored in the power storage unit to an electrical device that is to be charged.

Abstract: A power transmitting device includes a power transmitting unit configured to perform power transmission to the power receiving device through contactless power supply, and a memory unit that stores appropriate power supply information, and processing circuitry that is configured to switch a power transmission mode of the power transmitting unit. The processing circuitry is configured to acquire power supply information in a surrounding environment at execution of the power transmission, determine whether the power supply information and the appropriate power supply information are different from each other, set the power transmission mode to a limit mode when determining that the power supply information and the appropriate power supply information are different from each other, and set the power transmission mode to a normal-output mode when determining that the power supply information and the appropriate power supply information are not different from each other.

Abstract: An auxiliary power receiving device includes a power receiving unit configured to receive power from a power transfer signal, which is used to supply power from a power transmitting device to a power receiving device, a notification unit configured to be provided on a main surface of a plate-shaped member, and a notification controlling unit configured to control a notification performed by the notification unit in accordance with a power reception condition of the power transfer signal at the power receiving unit.

Abstract: A contactless power supply system includes power receiving devices, a power transmitting device, and a determining unit. The power receiving devices each include a transmitting unit and a power receiving unit. The power transmitting device includes a receiving unit and a power supplying unit. Efficiency condition information is defined that includes an efficiency condition that indicates that the power transmitting device can transmit power to a power receiving device efficiently. The determining unit is configured to determine, based on the efficiency condition information, the power receiving device that satisfies the efficiency condition as the power receiving device to which the power transmitting device transmits power, among the power receiving devices from which the receiving unit has received the beacon signals. The power supplying unit is configured to supply power to the power receiving device that has been determined by the determining unit.

Abstract: Provide are a composition with which a pattern (patterned cured film) with excellent light shielding properties and suppressed undercut can be formed; a light shielding film; a solid-state imaging element; an image display device; and a method for manufacturing a cured film. The composition includes carbon black, barium sulfate, one or more kinds selected from the group consisting of copper phthalocyanine and a copper phthalocyanine derivative, an acid generator, and a crosslinking agent having a crosslinkable group which is crosslinked by an acid.

Abstract: Provided are a composition with which a cured film having excellent light shielding properties and low reflection properties can be produced; a light shielding film; a solid-state imaging element; an image display device; and a method for manufacturing a cured film. The composition including carbon black, barium sulfate, one or more kinds selected from the group consisting of copper phthalocyanine and a copper phthalocyanine derivative, a resin, and a solvent, in which the solvent includes a solvent A having a boiling point of 180° C. or higher, a solvent B having a boiling point of 140° C. or higher and lower than 180° C., and a solvent C having a boiling point of 100° C. or higher and lower than 140° C.