Abstract: The present invention disclosed a bridge rectifier comprising a first switching circuit, a second switching circuit, a third switching circuit, a fourth switching circuit, a first driving circuit, a second driving circuit, a third driving circuit, and a fourth driving circuit. The first driving circuit is electrically connected to the first switching circuit, the second driving circuit is electrically connected to the second switching circuit, the third driving circuit is electrically connected to the third switching circuit, the fourth driving circuit is electrically connected to the fourth switching circuit. In the disclosure, the bridge rectifier should be implemented by the combination of switch circuits with driving circuits. Such that the power dissipation of bridge rectifier could be significantly reduced to improve the function of the overall circuit due to the low impedance of the switching circuit in a closed state.

Abstract: An electronic apparatus, a wireless input device and a control method thereof are provided. The wireless input device includes a wireless signal receiver, a control chip, and a wireless signal transmitter. The wireless signal receiver receives a radio frequency signal. The control chip is activated according to the radio frequency signal and generates operation power according to the radio frequency signal. The control chip generates input information by detecting an input operation on an input interface based on the operation power. The wireless signal transmitter transmits the input information to an external electronic apparatus based on the operation power.

Abstract: The disclosure provides a key structure, including a carrier, a buffer layer, a circuit film, a balance rod and a key cap. The carrier includes a body and a positioning element protruding from the body. The positioning element has a positioning hole. The buffer layer is disposed around the positioning hole. The circuit film and the balance rod are disposed on the body. The balance rod has an opposite first end portion and a second end portion. The first end portion passes through the positioning hole and presses against the buffer layer. The key cap is connected with the second end portion, and the circuit film and the balance rod are positioned between the key cap and the body.

Abstract: A key assembly including a base plate, a keycap, an elastic member, and a link member is provided. The base plate includes a body and a hook portion, the hook portion including a hole. The keycap is disposed on the base plate. The elastic member is disposed between the base plate and the keycap. The link member includes a connecting portion, a rod portion, and an end portion, the rod portion being assembled to the keycap, the connecting portion being connected between the rod portion and the end portion, and the end portion penetrating the hole, wherein an included angle between the end portion and the connecting portion is an obtuse angle.

Abstract: A light source device includes a substrate, an upper electrode layer and a lower electrode layer both respectively disposed on two opposite surfaces of the substrate, a light emitting unit mounted on the upper electrode layer, a surrounding frame disposed on the substrate and surrounding the light emitting unit, a conductive unit disposed on the surrounding frame, a light permeable member disposed on the surrounding frame and covering the light emitting unit, and a detecting circuit formed on an outer surface of the light permeable member. The lower electrode layer includes two coplanar sub-layers. The light emitting unit is electrically coupled to one of the two sub-layers through the upper electrode layer. The detecting circuit includes two contacts connected to the conductive unit, and is electrically coupled to the second lower electrode sub-layer by the conductive unit electrically coupled to the other one of the two sub-layers.

Abstract: Disclosed is a light-emitting module, comprising: a circuit board, a conductive layer, a light-emitting device, and an adhesive material. The circuit board comprises a device-attachment area, the conductive layer being disposed on the device-attachment area, the light-emitting device being disposed on the conductive layer and electrically connected to the circuit board through the conductive layer, and the adhesive layer being used for connecting the light-emitting device to the circuit board, wherein a curing temperature of the adhesive layer is lower than a melting point of the conductive layer. Adopting the aforementioned technical means, the degree of offset in the position of the light-emitting device after reflow soldering can be greatly reduced. In addition, a vehicle lamp device using the light-emitting module is also provided.

Abstract: A light-emitting keyboard includes a bracket, a keycap, a circuit layer, a composite light-emitting layer and a spacing layer. The bracket has an opening. The keycap is disposed on the bracket and connected to the bracket via a support assembly. The circuit layer is disposed between the keycap and the bracket. The composite light-emitting layer is disposed under the bracket, and includes a substrate, a circuit disposed on the substrate and a light source located under the keycap and electrically connected to the circuit, wherein light emitted from the light source is transmitted upwardly to the keycap. The spacing layer is disposed between the composite light-emitting layer and the bracket, wherein the spacing layer includes a hole corresponding to the opening of the bracket, and the light source is located in the hole of the spacing layer.

Abstract: A light source driving apparatus including a primary side and a secondary side is provided. The light source driving apparatus includes an isolated current sensing circuit, a dimming circuit, an independent voltage source, and a feedback circuit. The isolated current sensing circuit is coupled to the secondary side, and samples an output current of the light source driving apparatus by electromagnetic coupling to generate a current sensing signal. The dimming circuit receives a dimming input signal, and provides a reference controlled-current signal according to the dimming input signal and based on an operating voltage. The independent voltage source is configured to generate the operating voltage. Based on the operating voltage, the feedback circuit provides a feedback signal according to the current sensing signal and the reference controlled-current signal for adjusting the output current of the light source driving apparatus.

Abstract: The invention provides a scroll wheel module, which includes an adjustment wheel, a scroll wheel and a transmission mechanism. The adjustment wheel includes an adjustment portion. The scroll wheel includes a contact portion. The transmission mechanism has a first end and a second end opposite to each other, the first end is connected to the adjustment portion of the adjustment wheel, and the second end is adjacent to the scroll wheel. When the adjustment wheel is rotated, the first end of the transmission mechanism produces a displacement relative to the adjustment portion such that the second end of the transmission mechanism applies a force to the contact. A magnitude of the force is proportional to a rotational force of the scroll wheel.

Abstract: A keyswitch assembly is provided. The keyswitch assembly includes a base plate, at least one pressing mechanism disposed on the base plate, a plurality of elastic members disposed on the base plate, and a keycap covering the at least one pressing mechanism and the plurality of elastic members. In the embodiments, a plurality of elastic members is disposed at equal intervals to support the keycap. By way of such configuration, the user experiences the same or similar hand feeling when pressing any point of the keycap. There is no difference in the pressing feel due for pressing the middle or two ends of the keycap. Meanwhile, the problem of the poor electrical conduction resulted from the deformation of the keycap may be avoided.

Abstract: The present disclosure provides an LED package structure, a carrier, and a method for manufacturing a carrier. The carrier includes a substrate and an electrode layer disposed on the substrate. The electrode layer includes at least one bonding portion that has a plurality of elongated microstructures recessed in a surface thereof.

Abstract: A light source driving apparatus including a primary side and a secondary side is provided. The light source driving apparatus includes an isolated current sensing circuit, a dimming circuit, an independent voltage source, and a feedback circuit. The isolated current sensing circuit is coupled to the secondary side, and samples an output current of the light source driving apparatus by electromagnetic coupling to generate a current sensing signal. The dimming circuit receives a dimming input signal, and provides a reference controlled-current signal according to the dimming input signal and based on an operating voltage. The independent voltage source is configured to generate the operating voltage. Based on the operating voltage, the feedback circuit provides a feedback signal according to the current sensing signal and the reference controlled-current signal for adjusting the output current of the light source driving apparatus.

Abstract: The present disclosure provides an input device including a housing, a keyboard assembly, and a first light source. The housing comprises a body and a plurality of sidewalls. The plurality of sidewalls is disposed along the body, forming an accommodating space. The keyboard assembly is disposed in the accommodating space. The first light source is disposed in the body. The light emitted from the first light source emits from the plurality of sidewalls, creating a glowing effect on the periphery of the keyboard assembly. By configuring computer using modes corresponding to the light emitting states, it is possible for users to intuitively discriminate the using patterns.

Abstract: A key module includes a bottom plate, a circuit layer, a key cap, a supporting structure, a touch member, and a flexible circuit board. The bottom plate has a first surface and a second surface opposite to each other. The circuit layer is disposed on the first surface and has a first opening. The key cap is disposed above the circuit layer and covers the first opening. The supporting structure is disposed between the bottom plate and the key cap. The touch member is disposed at the key cap. The flexible circuit board is electrically connected to the touch member and passes through the first opening to extend next to the second surface of the bottom plate. When the key cap moves downward relative to the bottom plate, a portion of the flexible circuit board located between the key cap and the bottom plate is bent.

Abstract: A key structure includes a keycap, a connection assembly, engaging members, and a base plate. The connection assembly disposed between the base plate and the keycap is movably connected to the keycap and the engaging members, so that the keycap and the connection assembly engaged with the engaging members are positioned on the base plate. The base plate includes engaging protrusions protruding from an upper surface, so that the engaging members are bonded to the base plate through the engaging protrusions. Each engaging protrusion is located between two openings of the base plate, connects the two openings, or is disposed corresponding to the openings. Each engaging member covers one or more engaging protrusions through injection molding, and is fixed to the base plate. The engaging members are respectively disposed on the openings, fill the openings, or completely cover the engaging protrusions.

Abstract: A light source device and an electronic apparatus are provided. The light source device includes a substrate, an electrode layer and a surrounding frame disposed on the substrate, a light emitter and a light detector mounted on the electrode layer and located inside of the surrounding frame, and a light permeable member disposed on the surrounding frame and covering the light emitter and the light detector. When the light emitter receives a predetermined current so as to emit an invisible light toward the light permeable member, the light detector receives a reflected part of the invisible light to generate an initial photocurrent. When the light emitter receives a manipulation current so that a detection photocurrent generated from the light detector is less than a first proportion of the initial photocurrent or greater than a second proportion of the initial photocurrent, the light emitter stops receiving the manipulation current.

Abstract: A key structure is provided, including a key housing, a keycap, an elastic piece and a spring. The key housing comprises an interfering portion. The keycap is movably assembled to the key housing along a pressing axial direction. The elastic piece is movably assembled to the keycap along the pressing axial direction. The elastic piece comprises a protrusion, and the interfering portion is located on a movement path of the protrusion. The spring abuts between the keycap and the elastic piece. When in an initial position, the protrusion is stopped at the interfering portion. When an external force is applied to the keycap, in a pressing process, the keycap is moved relative to the key housing, and drives the protrusion to surmount and cross over the interfering portion. An elastic restoring force of the elastic piece causes the protrusion to hit the interfering portion to make a sound.

Abstract: The present disclosure discloses a scissor mechanism and a keyswitch. The scissor mechanism comprises an inner arm and an outer arm. Two opposite first side surfaces of the inner arm respectively comprise a first connecting part. Two opposite second side surfaces of the outer arm respectively comprise a second connecting part. The inner arm is disposed within the outer arm. The first connecting parts are pivotally connected to the corresponding second connecting parts. An anti-frictional configuration is disposed between each first side surface of the inner arm and the corresponding each second side surface of the outer arm. The anti-frictional configurations are provided with smooth contact surfaces without any burrs or parting lines by angle lifting demolding techniques. The present disclosure also discloses a keyswitch. When pressing and releasing the keyswitch, the noise can be reduced by the anti-frictional configurations when the inner arm and the outer arm pivot.

Abstract: An optical assembly and a camera module are provided, including a first submodule and a second submodule. The first submodule includes a first lens barrel and a first lens group disposed in the first lens barrel. The second submodule includes a second lens barrel and a second lens group disposed in the second lens barrel. The first lens group and the first lens barrel have a first major engagement mechanism and a first auxiliary engagement mechanism, respectively. The second lens group and the second lens barrel have a second major engagement mechanism and a second auxiliary engagement mechanism, respectively. The first auxiliary engagement mechanism and the second auxiliary engagement mechanism are assembled to form an auxiliary engagement section. The first major engagement mechanism and the second major engagement mechanism are assembled to form a major engagement section.

Abstract: The present invention disclosed an elastic body for keyswitch assembly, comprising a body and identification marks. The body has an annular base and an elastic pressing part, and the elastic pressing part is disposed on the annular base. The identification marks are disposed on the side of the annular base. Therefore, the mold producing poor elastic body and cavities on it can be identified by the identification marks on the elastic body, so damaged cavities can be repaired quickly and effectively then. The location and means of marking of the identification marks does not affect the adhesion of the elastic body to the prefabricated thin film circuit board. The present invention further provides a keyswitch assembly comprising the elastic body of the present invention.