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: 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: 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 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 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: 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: A key module including a base, a circuit layer, at least one light-transmission key body, and a display panel is provided. The circuit layer is disposed at the base and has at least one input portion. The light-transmission key body has an abutting end and a pressing end opposite to each other. The abutting end abuts the base, and the light-transmission key body is adapted to be pressed downward by taking the abutting end as a rotation axis, such that the pressing end presses the input portion. The display panel is disposed at the base and has at least one display region, the display region is aligned with the light-transmission key body, and an image displayed on the display region by the display panel is changeable.

Abstract: A keyboard including a substrate and a key structure is provided. The key structure is disposed on the substrate and includes a keycap, an antenna, and a sensor. The keycap is disposed on the substrate, and a length of the keycap is greater than a width of the keycap. The antenna is disposed on a back surface of the keycap facing toward the substrate. The sensor is disposed below the keycap and is electrically connected with the antenna.

Abstract: The disclosure provides a key module including a bottom plate, a keycap and a scissor structure. The keycap is located above the bottom plate. The key cap includes a pivoting member protruding from the bottom surface and a sliding member. The pivoting member has a pivot hole and a hollowed-out area communicating with the pivot hole. The scissor structure is disposed between the bottom plate and the keycap, and includes a first leg and a second leg pivotally connected to each other, the first side of the first leg and the second side of the second leg are connected to the bottom plate, the third side of the first leg is rotatably connected to the pivoting member of the keycap, and the fourth side of the second leg is slidably connected to the sliding member of the keycap.

Abstract: A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receiving the visible laser through an optical sensor to generate a sensed result; and calculating a visibility according to the sensed result.

Abstract: The disclosure provides a key structure including a base plate, a keycap, and a compressible supporting mechanism. The keycap is disposed above the base plate. The keycap has a top surface and a bottom surface opposite to each other and includes a bonding member protruding from the base surface. The bonding member has a groove and a guiding surface. The compressible supporting mechanism is disposed between the base plate and the keycap. The compressible supporting mechanism is assembled into the groove as being guided by the guiding surface. In the key structure provided by the disclosure, since the compressible supporting mechanism is guided by the guiding surface, interference generated when the compressible supporting mechanism and the keycap are assembled may be reduced, so that the bonding member is prevented from being damaged or collapsing when being pressed in a process of assembling.

Abstract: A backlight module including a light guide plate, a circuit board, an electronic component, a reflective sheet, a light-shielding sheet, and a light-emitting component is provided. The light guide plate includes an escape opening. The circuit board is disposed under the light guide plate. The electronic component is disposed on the circuit board, and at least a part of the electronic component is located in the escape opening. The reflective sheet is disposed on the rear surface of the light guide plate and between the light guide plate and the circuit board, and the reflective sheet extends into the escape opening. The light-shielding sheet is disposed on the light emitting surface of the light guide plate opposite to the rear surface. The light-emitting component is disposed on the light guide plate. A luminous keyboard using this backlight module is also provided.

Abstract: A luminous key comprises a key cap, a bottom plate, a first circuit component and a second circuit component. The key cap comprises a body, an extension part and a light exiting part. The extension part is disposed at the periphery of the body. The light exiting part is disposed on the body. The bottom plate has a through hole. The first circuit component has a first layer, a second layer and a light emitting unit. The first layer is disposed on the second layer. The light emitting unit is disposed between the first layer and the second layer, and the light emitting unit is corresponding to the through hole. The second circuit component is disposed between the key cap and the bottom plate. A lifting structure is disposed between the key cap and the bottom plate. Light adjusting structures define a light adjusting region. An orthographic projection of the light adjusting region towards the second layer covers at least a portion of the light emitting unit.

Abstract: A key structure including a keycap, a bottom plate, a supporting element disposed on the bottom plate a backlight module, and a thin film circuit board is provided. The bottom plate includes a body and a plurality of protrusions, wherein the body has a plurality of openings, and the protrusions protrude from a first surface of the body and are disposed around the openings. At least two of the protrusions have different heights. The backlight module is disposed on a second surface of the body, wherein the first surface and the second surface are opposite surfaces. The thin film circuit board and the keycap are disposed on the first surface of the body, and the thin film circuit board is located between the keycap and the bottom plate, and the protrusions are located within an orthographic projection range of the keycap and do not contact the supporting element.

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 keyboard key structure includes a plurality of keycaps. Each keycap has a keycap body and an outward layer. The keycap body has an appearance with a first color. The outward layer has an appearance with a second color different from the first color. The outward layer is formed above the keycap body. The outward layer is formed with an engraving portion. The first color is exposed in the engraving portion. The present invention also provides a method of manufacturing a keycap of a keyboard key.