Abstract: A UV LED reactor includes a housing having an inlet, an outlet and a reactor chamber; a UV LED module mounted to the housing configured to emit UV radiation into the reactor chamber having a selected wavelength range and with a selected energy (E); and a heatsink on the UV LED module configured to dissipate heat generated by the UV LED module. The heatsink on the UV LED module includes one or more surfaces in thermal communication or physical contact with the fluid, which improves the efficiency of heat transfer from the heatsink to the fluid and eliminates the need for cooling fans. The UV LED reactor can also include a UV transparent inner tube mounted to the inlet for generating a double UV exposure flow path through the reactor chamber. The UV LED reactor can also include a UV reflective coating on the sidewalls of the housing, or on a separate tube or sleeve mounted to the housing, configured to reflect UV radiation onto the fluid in the reactor chamber.

Abstract: An LED driver includes an operational amplifier (OP), N current driving circuits, and a resistor circuit. The OP compares a reference voltage with a feedback voltage to generate a control voltage. Each current driving circuit is coupled with an LED, and includes: an NMOS transistor including a drain, a source, and a gate, and being turned on according to the control voltage in an enablement mode and turned off according to the voltage of a ground terminal in a disablement mode, wherein the drain is coupled with the LED and the voltage at the source is the feedback voltage; and a switch circuit coupling the OP with the gate in the enablement mode, and coupling the ground terminal with the gate in the disablement mode. The resistor circuit is coupled between the source and the ground terminal and controls the current passing through the N current driving circuits.

Abstract: An IC, comprising: a package; a target circuit; and a heating circuit, configured to receive a heating signal to heat at least testing portion of the target circuit to a first predetermined temperature based on the heating signal. The target circuit and the heating circuit are within the package. An IC testing method using such IC is also disclosed.

Abstract: A power converter device includes a converter circuit, a detector circuitry, an energy distribution logic circuit, and a ramp generator circuit. The converter circuit is configured to switch charging paths and discharging paths of an inductor according to switching signals, in order to generate output voltages. The detector circuitry is configured to generate error signals according to the output voltages and reference voltages, and respectively compare the error signals with ramp signals, in order to generate decision signals. The energy distribution logic circuit is configured to generate the switching signals and control signals according to the plurality of decision signals. The ramp generator circuit is configured to generate the ramp signals according to the control signals, in which a starting time of each of the ramp signals is different from each other.

Abstract: A group III-N based semiconductor 3D integrated circuit that directly stacks a thin-film transistor on a group III-N based transistor is provided. Since the group III-N based semiconductor 3D integrated circuit integrates the group III-N based transistor and the thin-film transistor without performing a packaging process, the group III-N based semiconductor 3D integrated circuit can reduce the packaging cost and have better circuit performance and reliability.

Abstract: An LED driver includes an operational amplifier (OP), N current driving circuits, and a resistor circuit. The OP compares a reference voltage with a feedback voltage to generate a control voltage. Each current driving circuit is coupled with an LED, and includes: an NMOS transistor including a drain, a source, and a gate, and being turned on according to the control voltage in an enablement mode and turned off according to the voltage of a ground terminal in a disablement mode, wherein the drain is coupled with the LED and the voltage at the source is the feedback voltage; and a switch circuit coupling the OP with the gate in the enablement mode, and coupling the ground terminal with the gate in the disablement mode. The resistor circuit is coupled between the source and the ground terminal and controls the current passing through the N current driving circuits.

Abstract: A martial arts training equipment includes a base mount, a post upwardly extending from the base mount, an elastic branch tube including a post sleeve sleeved onto the post, and at least one branch sleeve extending from the post sleeve, and at least one rod having an end inserted into or sleeved onto the at least one branch sleeve. Compared to the conventional Wooden Man Post, the martial arts training equipment is lightweight and convenient for carry and transportation, and the portion of the martial arts training equipment to be punched or kicked by a user is provided with satisfied buffering cushion and elasticity so as to prevent the user from uncomfortable feeling, and no bothersome noise will produce during training.

Abstract: A martial arts training equipment includes a base mount, a post upwardly extending from the base mount, an elastic branch tube including a post sleeve sleeved onto the post, and at least one branch sleeve extending from the post sleeve, and at least one rod having an end inserted into or sleeved onto the at least one branch sleeve. Compared to the conventional Wooden Man Post, the martial arts training equipment is lightweight and convenient for carry and transportation, and the portion of the martial arts training equipment to be punched or kicked by a user is provided with satisfied buffering cushion and elasticity so as to prevent the user from uncomfortable feeling, and no bothersome noise will produce during training.

Abstract: An IC layout of a pre-driving circuit, comprising: a plurality of type one transistor regions, having a density smaller than a predetermined level; and a type two bulk region, surrounding the type one transistor regions.

Abstract: A power converter device includes a converter circuit, a detector circuitry, an energy distribution logic circuit, and a ramp generator circuit. The converter circuit is configured to switch charging paths and discharging paths of an inductor according to switching signals, in order to generate output voltages. The detector circuitry is configured to generate error signals according to the output voltages and reference voltages, and respectively compare the error signals with ramp signals, in order to generate decision signals. The energy distribution logic circuit is configured to generate the switching signals and control signals according to the plurality of decision signals. The ramp generator circuit is configured to generate the ramp signals according to the control signals, in which a starting time of each of the ramp signals is different from each other.

Abstract: A ramp signal calibration device includes a ramp generator circuit, a detector circuitry, and a calibration circuit. The ramp generator circuit is configured to output a ramp signal according to a set signal and a calibration signal. The detector circuitry is configured to detect the ramp signal or at least one pulse signal associated with the ramp signal, in order to generate at least one control signal. The calibration circuit is configured to generate a calibration signal in response to the at least one control signal, in order to adjust at least one of a falling slope or a rising slope of the ramp signal, or to adjust a duty cycle of the at least one pulse signal.

Abstract: An automatic mixing machine includes a vessel, a shell, a motor, a mixing unit, a detection and feedback unit, a computing control unit and a drive unit. The shell is connected with the vessel to form a closed space. The motor is arranged in the shell. The first end of the mixing unit is connected with the motor, and the second end of the mixing unit extends into the closed space. The detection and feedback unit is electrically connected with the motor and collects at least one electric parameter of the motor. The computing control unit is electrically connected with the detection and feedback unit and generates a control signal according to the electric parameters and the mixing parameters. The drive unit is electrically connected with the computing control unit and the motor respectively, and outputs a drive signal to drive the motor according to the control signal.

Abstract: An automatic mixing machine including a vessel, a shell, a motor, a mixing unit, a detection and feedback unit, a computing control unit and a drive unit. The vessel is used for accommodating the raw materials. The shell is connected with the vessel to form a closed space. The motor is arranged in the shell. The first end of the mixing unit is connected with the motor, and the second end extends into the closed space. The detection and feedback unit is electrically connected with the motor and collects at least one electric parameter of the motor. The computing control unit is electrically connected with the detection and feedback unit and generates a control signal according to the electric parameters and the mixing parameters. The drive unit is electrically connected with the computing control unit and the motor respectively, and outputs a drive signal to drive the motor according to the control signal.

Abstract: A display panel includes an active device array substrate, an opposite substrate, a display medium and a sealant. The active device array substrate includes a substrate, an active device array, a passivation layer and an enhancement layer. A material of the enhancement layer is different from a material of the passivation layer. The opposite substrate is disposed opposite to the active device array substrate. The display medium is disposed between the active device array substrate and the opposite substrate. The sealant is disposed between the active device array substrate and the opposite substrate and surrounds the display medium. An end of the sealant directly contacts the enhancement layer, and a material of the enhancement layer is the same as a material of the sealant.

Abstract: A frit encapsulation apparatus includes a carriage, a mask, a laser light source and a pressure element. The carriage is disposed over a first substrate. The mask is disposed in the carriage and has a light-transmitting region. The laser light source is disposed in the carriage and over the mask and is configured to provide laser light through the light-transmitting region of the mask and the first substrate therebeneath to heat the frit beneath the first substrate. The pressure element is disposed beneath the carriage and is configured to provide a pressure to the first substrate, such that the first substrate is adhered to a second substrate by the heated frit, in which the pressure element is not overlapped with a vertical projection of the light-transmitting region on the first substrate.

Abstract: A swim fin molded from flexible material such as rubber or plastics, having a foot pocket and a blade formed integral with the foot pocket, wherein the foot pocket has a sloping upper face and a slopping sole respectively sloping from the heel thereof toward the blade; the blade forwardly extends from front and two opposite lateral sides of the foot pocket and terminates in a forked end, having a thin middle portion, two thick side portions at two opposite lateral sides of the thin middle portion, two side rails respectively formed integral with the thick side portions at an outer side, and a plurality of ribs respectively formed at top and bottom side walls thereof.