Abstract: A fan blade includes an arc-shaped body and a connecting portion. The arc-shaped body has a main portion and an end portion connected to the main portion, wherein a width of the end portion is gradually decreased in a direction away from the main portion. The connecting portion is connected to the main portion, and the end portion and the connecting portion are respectively located at two opposite sides of the main portion. A fan structure is also provided.

Abstract: A wafer structure is disclosed and includes a chip substrate and at least one inkjet chip having plural ink-drip generators. Each ink-drop generator includes a thermal-barrier layer, a resistance heating layer and a protective layer. The thermal-barrier layer is formed on the chip substrate, the resistance heating layer is formed on the thermal-barrier layer, a part of the protective layer is formed on the resistance heating layer, and the barrier layer is formed on the protective layer. The ink-supply chamber has a bottom in communication with the protective layer, and a top in communication with the nozzle. The thermal-barrier layer has a thickness of 500˜5000 angstroms, the protective layer has a thickness of 150˜3500 angstroms, the resistance heating layer has a thickness of 100˜500 angstroms, the resistance heating layer has a length of 5˜30 microns, and the resistance heating layer has a width of 5˜10 microns.

Abstract: A fan blade includes an arch-shaped body, a connecting portion, at least one sheet and at least one reinforcement component. The arch-shaped body has a pressure bearing surface and a negative pressure surface opposite to the pressure bearing surface. The connecting portion is connected to a first end portion of the arch-shaped body. The sheet is connected to the pressure bearing surface or the negative pressure surface. The reinforcement component is connected to the pressure bearing surface. An orthogonal projection of the sheet on the arch-shaped body and an orthogonal projection of the reinforcement component on the arch-shaped body are not overlapped with each other. A fan is also provided.

Abstract: The disclosure provides a bicycle head. The bicycle head includes a head assembly and a control assembly. The head assembly includes a handlebar and a stem. The handlebar is mounted on the stem. The control assembly includes a casing, a first circuit board, an antenna and a battery. The casing is pivotably disposed at a portion where the handlebar is mounted on the stem. The first circuit board, the antenna and the battery are electrically connected to one and another, and at least one of the first circuit board, the antenna and the battery is located in the casing.

Abstract: An electronic circuit adapted to drive a display panel is provided. The display panel includes touch sensors and fingerprint sensors. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the display panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area. The display driving circuit drives pixels of the first area with respective first gray levels and pixels of a second area outside the first area with respective second gray levels. The display driving circuit processes respective third gray levels to obtain the respective second gray levels. The display driving circuit generates gamma voltages corresponding to the respective first gray levels and the respective second gray levels according to the same gamma curve.

Abstract: A heat dissipation system of portable electronic device includes a body, at least one fan and at least one spacing member. At least one heat source of the portable electronic device is arranged in the body. The fan is a centrifugal fan disposed in the body. The fan has at least one flow inlet located in the axial direction and at least one flow outlet located in the radial direction. The spacing member is disposed on at least one of the body or the fan to form a stratified air flow in the body along the axial direction. The stratified air flows into the fan through the flow inlet and out of the fan through the flow outlet respectively.

Abstract: A thin profile gas transporting device includes a gas collecting plate, a valve sheet, a discharge sheet, and a gas pump. The gas pump is disposed on the gas collecting plate. The gas collecting plate, the valve sheet, and the discharge sheet are stacked and assembled sequentially. Through simplifying the structures of the gas collecting plate and the discharge sheet, the thicknesses of the gas collecting plate and the discharge sheet can be reduced. Moreover, through the arrangement of several pressure relief holes, the pressure relieving operation can be performed rapidly and quietly.

Abstract: A method of preventing and handling indoor air pollution is disclosed and includes: providing a portable gas detection device and plural gas exchangers allowed to inhale outdoor gas, purify and filter the inhaled gas, and introduce the inhaled gas into the indoor space, wherein an air pollutant in the gas within the indoor space is exported out to the outdoor for exchanging; disposing 1˜50 gas exchangers within the indoor space, wherein the gas exchangers have an exported airflow rate of 200˜1600 CADR, and the indoor space has a volume of 247.5˜1650 m3; and remotely controlling the gas exchangers to enable filtration, purification and gas exchange by the portable gas detection device when the portable gas detection device detects an air pollutant in the indoor space, to reduce the air pollutant in the indoor space to a safe detection value within 10 minutes, and achieve a clean, safe and breathable condition.

Abstract: A heat dissipation device includes a heat dissipation member and a fan. The heat dissipation member includes a first heat dissipation fin group and a second heat dissipation fin group stacked on the first heat dissipation fin group. The first heat dissipation fin group includes a plurality of first heat dissipation fins, and the second heat dissipation fin group includes a plurality of second heat dissipation fins. The fan is stacked on the second heat dissipation fin group. The fan is configured to rotate around an axis. The first heat dissipation fins and the second heat dissipation fins are arranged around the axis.

Abstract: A gate structure includes at least one spacer defining a gate region over a semiconductor substrate, a gate dielectric layer disposed on the gate region over the semiconductor substrate, a first work function metal layer disposed over the gate dielectric layer and lining a bottom surface of an inner sidewall of the spacer, and a filling metal partially wrapped by the first work function metal layer. The filling metal includes a first portion and a second portion, wherein the first portion is between the second portion and the semiconductor substrate, and the second portion is wider than the first portion.

Abstract: The disclosed embodiments relate to a dismantling device configured for a frame of a PV module. The dismantling device includes a connection portion, a first holding portion, and a second holding portion. The first holding portion is connected to the connection portion and configured to press against one of an inner wall and outer wall of the frame. The second holding portion is slidably disposed on the connection portion and movably closer to or away from the first holding portion along a sliding direction. The second holding portion is configured to press against the other one of the inner wall and the outer wall so as to clamp the frame with the first holding portion and to distort the frame.

Abstract: A heat dissipation fan suited for being assembled in an electronic device is provided. The heat dissipation fan includes a hub and a plurality of fan blades disposed at and surrounding the hub. The fan blade has ductility and flexibility, and any two fan blades next to each other are in different thickness.

Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.

Abstract: A filtration and purification device includes a main body and one or more filtration passage layer. A plurality of purification chambers is disposed in the filtration passage layer. Each of the purification chambers has a flow-guiding unit, a filtration unit, a gas sensor, and an outlet valve. The flow-guiding unit introduces the gas into the purification chamber, the filtration unit filters the gas, and the gas sensor determines that if the filtered gas reaches a threshold for breathing so as to determine to open the outlet valve to discharge the gas out of the filtration and purification device.

Abstract: A portable electronic device including a body, a door, a carrier and at least one electronic module is provided. The door is movably mounted on the body. The carrier includes a first side and a second side opposite to each other, the first side is pivoted to the body, and the second side is movably pivoted to the door. The electronic module is disposed on the carrier. At least one opening is formed between the door and the body when the door moves away from the body, and the door drives the carrier to rotate relative to the body, such that the electronic module is tilted with respect to the body along with the movement of the door, and the electronic module is exposed to an external environment via the opening for heat dissipation.

Abstract: A purification device for exercise environment is provided and includes a main body, a purification unit, a gas guider and a gas detection module. The purification unit, the gas guider and the gas detection module are disposed in the main body to guide the gas outside the main body through the purification unit for filtering and purifying the gas, and discharge a purified gas. The gas detection module detects particle concentration of suspended particles contained in the purified gas. The gas guider is controlled to operate and export the gas at an airflow rate within 3 minutes. The particle concentration of the suspended particles contained in the purified gas, which is filtered by the purification unit, is reduced to and less than 0.75 ?g/m3. Consequently, the purified gas is filtered, and an exerciser in an exercise environment can breathe with safety.

Abstract: A bicycle brake lever includes a casing, a hydraulic assembly, and a driving assembly. The hydraulic assembly is disposed in the casing. The hydraulic assembly includes a main body, a piston located in the main body, and a link connected to the piston. The driving assembly includes a pivotable component and a lever. The pivotable component has a mount portion, a first end portion, and a second end portion. The mount portion is connected to the first end portion and the second end portion and pivotably disposed on the main body. The first end portion is pivotably disposed on the link. The lever is pivotably disposed on the main body, and the second end portion is pivotably disposed on the lever. When the lever is pivoted, the lever moves the piston via the pivotable component and the link so as to increase an oil pressure in the main body.

Abstract: An opening is formed through a dielectric material layer to physically expose a top surface of a conductive material portion in, or over, a substrate. A metallic nitride liner is formed on a sidewall of the opening and on the top surface of the conductive material portion. A metallic adhesion layer including an alloy of copper and at least one transition metal that is not copper is formed on an inner sidewall of the metallic nitride liner. A copper fill material portion may be formed on an inner sidewall of the metallic adhesion layer. The metallic adhesion layer is thermally stable, and remains free of holes during subsequent thermal processes, which may include reflow of the copper fill material portion. An additional copper fill material portion may be optionally deposited after a reflow process.