Abstract: A mouse pad device is provided. The mouse pad device includes a mouse pad body, a first mouse pad secondary resonant circuit, and a second mouse pad secondary resonant circuit. The first mouse pad secondary resonant circuit receives an external wireless power from a wireless power supply. The second mouse pad secondary resonant circuit receives a relay wireless power from the first mouse pad secondary resonant circuit. The first mouse pad secondary resonant circuit and the second mouse pad secondary resonant circuit are arranged in the mouse pad body. The first mouse pad secondary resonant circuit provides a first wireless power to the mouse device. The second mouse pad secondary resonant circuit provides a second wireless power to the keyboard device according to the relay wireless power.

Abstract: A micro light emitting diode structure including an epitaxial structure, a first insulating layer and a second insulating layer is provided. The epitaxial structure includes a first type semiconductor layer, a light emitting layer and a second type semiconductor layer. The first type semiconductor layer, the light emitting layer and a first portion of the second type semiconductor layer form a mesa. A second portion of the second type semiconductor layer is recessed relative the mesa to form a mesa surface. The first insulating layer covers from a top surface of the mesa to the mesa surface along a first side surface of the mesa, and exposes the second side surface. The second insulating layer directly covers a second side surface of the second portion, wherein a thickness ratio of the first insulating layer to the second insulating layer is between 10 and 50.

Abstract: A mouse pad suitable for operating with a wireless mouse is provided. The mouse pad includes a first charging circuit, a second charging circuit, a control circuit, a power supply module, a conversion circuit and a main body. The first charging circuit, the second charging circuit and the conversion circuit are each electrically connected to the control circuit, and the power supply module is electrically connected to the conversion circuit. The first charging circuit and the second charging circuit each outputs an electromagnetic energy to the wireless mouse. When the control circuit receives a load current flowing through the first charging circuit and the load current flowing through the second charging circuit, through the control circuit, a power supply current of the power supply module to the first charging circuit and to the second charging circuit are dynamically adjusted.

Abstract: A mouse pad device is provided. The mouse pad device includes a mouse pad main body, a control module, a first electrical connection circuit and a second electrical connection circuit. The control module is disposed on a first area of a first side of the mouse pad main body. The first electrical connection circuit is electrically connected to the second electrical connection circuit on a second side of the mouse pad main body. The first side of the mouse pad main body and the second side of the mouse pad main body are opposite sides. The first electrical connection circuit and the second electrical connection circuit are each laid along a periphery of a third area of the second side of the mouse pad main body.

Abstract: A mouse pad that is adapted to a wireless charging transmitter and operates in cooperation with a wireless mouse is provided. The mouse pad includes a main body and a secondary resonant coil circuit disposed inside the main body. The secondary resonant coil circuit wirelessly receives a first electromagnetic energy provided by the wireless charging transmitter arranged outside the main body, and then converts the first electromagnetic energy into a working power for the secondary resonant coil circuit. The secondary resonant coil circuit relays the working power, converts the working power into the second electromagnetic energy, and then wirelessly outputs a second electromagnetic energy to the wireless mouse.

Abstract: A mouse pad device is provided. The mouse pad device includes a mouse pad body, a first mouse pad secondary resonant circuit, and a second mouse pad secondary resonant circuit. The first mouse pad secondary resonant circuit receives an external wireless power from a wireless power supply. The second mouse pad secondary resonant circuit receives a relay wireless power from the first mouse pad secondary resonant circuit. The first mouse pad secondary resonant circuit and the second mouse pad secondary resonant circuit are arranged in the mouse pad body. The first mouse pad secondary resonant circuit provides a first wireless power to the mouse device. The second mouse pad secondary resonant circuit provides a second wireless power to the keyboard device according to the relay wireless power.

Abstract: A mouse pad device is provided. The mouse pad device includes a mouse pad main body, a control module, a first electrical connection circuit and a second electrical connection circuit. The control module is disposed on a first area of a first side of the mouse pad main body. The first electrical connection circuit is electrically connected to the second electrical connection circuit on a second side of the mouse pad main body. The first side of the mouse pad main body and the second side of the mouse pad main body are opposite sides. The first electrical connection circuit and the second electrical connection circuit are each laid along a periphery of a third area of the second side of the mouse pad main body.

Abstract: A keyboard device having a wireless charging function and a peripheral device are provided. The keyboard includes a casing module, a processing module, a key module, a first secondary resonant circuit and a second secondary resonant circuit. The processing module is electrically connected to the key module. The first secondary resonant circuit is disposed on a first side of the casing module. The second secondary resonant circuit is disposed on a second side of the casing module.

Abstract: A mouse pad suitable for operating with a wireless mouse is provided. The mouse pad includes a first charging circuit, a second charging circuit, a control circuit, a power supply module, a conversion circuit and a main body. The first charging circuit, the second charging circuit and the conversion circuit are each electrically connected to the control circuit, and the power supply module is electrically connected to the conversion circuit. The first charging circuit and the second charging circuit each outputs an electromagnetic energy to the wireless mouse. When the control circuit receives a load current flowing through the first charging circuit and the load current flowing through the second charging circuit, through the control circuit, a power supply current of the power supply module to the first charging circuit and to the second charging circuit are dynamically adjusted.

Abstract: A keyboard device having a wireless charging function and a peripheral device are provided. The keyboard includes a casing module, a processing module, a key module, a first secondary resonant circuit and a second secondary resonant circuit. The processing module is electrically connected to the key module. The first secondary resonant circuit is disposed on a first side of the casing module. The second secondary resonant circuit is disposed on a second side of the casing module.

Abstract: A rechargeable wireless mouse includes a wireless electrical-energy-receiving circuit, a transformation circuit, a wireless transmission circuit and a control circuit. The wireless electrical-energy-receiving circuit receives an electromagnetic energy from a charging plate. The transformation circuit is electrically connected to the wireless electrical-energy-receiving circuit and transforms the electromagnetic energy into an electric potential energy. The wireless transmission circuit transmits a control signal to the charging plate. The control circuit is electrically connected to the transformation circuit and the wireless transmission circuit. The control circuit receives the electric potential energy transmitted by the transformation circuit and outputs the control signal to the charging plate according to the electric potential energy.

Abstract: A rechargeable wireless mouse includes a wireless electrical-energy-receiving circuit, a transformation circuit, a wireless transmission circuit and a control circuit. The wireless electrical-energy-receiving circuit receives an electromagnetic energy from a charging plate. The transformation circuit is electrically connected to the wireless electrical-energy-receiving circuit and transforms the electromagnetic energy into an electric potential energy. The wireless transmission circuit transmits a control signal to the charging plate. The control circuit is electrically connected to the transformation circuit and the wireless transmission circuit. The control circuit receives the electric potential energy transmitted by the transformation circuit and outputs the control signal to the charging plate according to the electric potential energy.

Abstract: A wireless charging circuit coupled to an oscillation unit. The wireless charging circuit includes a balun unit, a higher-order filter unit and a differential unit. The balun unit is coupled to the oscillation unit. The higher-order filter unit is coupled to the balun unit. The differential unit is coupled to the higher-order filter unit. The differential unit is coupled to a transmission coil. The oscillation unit issues a differential signal to the balun unit, and then the balun unit converts the differential signal into a converted signal to be transmitted to the higher-order filter unit. The higher-order filter unit filters the converted signal to output a filtered signal to the differential unit. The differential unit converts the filtered signal into a differential output signal to be outputted by the transmission coil.

Abstract: A wireless input device is provided. The wireless input device includes a rechargeable wireless mouse, a wireless receiver and a charging pad. The charging pad includes a wireless power transmitting module and a charging control circuit. The charging control circuit is electrically connected to the wireless power transmitting module. The charging control circuit correspondingly activates the wireless power transmitting module to wirelessly output the electromagnetic power according to an activation signal provided by the wireless receiver. The charging pad receives the activation signal when the wireless receiver is connected to the charging pad. When the charging pad is not connected to the wireless receiver, the charging control circuit stops the wireless power transmitting module from wirelessly outputting the electromagnetic power. Accordingly, the charging pad of the present invention can avoid damage resulting from the abnormal charging so as to save power.

Abstract: A wireless charging circuit coupled to an oscillation unit. The wireless charging circuit includes a balun unit, a higher-order filter unit and a differential unit. The balun unit is coupled to the oscillation unit. The higher-order filter unit is coupled to the balun unit. The differential unit is coupled to the higher-order filter unit. The differential unit is coupled to a transmission coil. The oscillation unit issues a differential signal to the balun unit, and then the balun unit converts the differential signal into a converted signal to be transmitted to the higher-order filter unit. The higher-order filter unit filters the converted signal to output a filtered signal to the differential unit. The differential unit converts the filtered signal into a differential output signal to be outputted by the transmission coil.

Abstract: A wireless input device is provided. The wireless input device includes a rechargeable wireless mouse, a wireless receiver and a charging pad. The charging pad includes a wireless power transmitting module and a charging control circuit. The charging control circuit is electrically connected to the wireless power transmitting module. The charging control circuit correspondingly activates the wireless power transmitting module to wirelessly output the electromagnetic power according to an activation signal provided by the wireless receiver. The charging pad receives the activation signal when the wireless receiver is connected to the charging pad. When the charging pad is not connected to the wireless receiver, the charging control circuit stops the wireless power transmitting module from wirelessly outputting the electromagnetic power. Accordingly, the charging pad of the present invention can avoid damage resulting from the abnormal charging so as to save power.