Abstract: A key structure, which includes a bottom plate, a keycap, an elastic element, a first bracket, and a second bracket. The keycap is disposed on the bottom plate and has multiple first pivoting portions. The elastic element is disposed under the keycap. The first bracket is disposed between the keycap and the bottom plate, and the first bracket is pivotally connected to the first pivoting portions. The second bracket is disposed between the keycap and the bottom plate, the second bracket is rotatably pivoted to the first bracket, and the number of the first pivoting portions is greater than two.

Abstract: A circuit structure includes a light-transmissive insulation layer, a patterned conductive layer and an electronic component. The patterned conductive layer is disposed on the light-transmissive insulation layer. The electronic component is disposed on the patterned conductive layer and electrically connected to the patterned conductive layer.

Abstract: An illuminated keyboard including a backlight module and a key structure is provided. The backlight module includes a reflector, a light guide plate, a light source, and a light shielding plate. The light guide plate is disposed on the reflector, and a surface of the light guide plate facing the reflector has multiple microstructures. The light source is located on a light incident surface side of the light guide plate. The light shielding plate is disposed on the light guide plate. The light shielding plate has a shielding area and a light transmissive area, and the microstructures are correspondingly disposed in the light transmissive area. The key structure has multiple keycaps. In the microstructures correspondingly disposed under one single keycap, peaks of any two microstructures adjacent to each other keep different distances from the surface of the light guide plate facing the reflector.

Abstract: The invention provides a keyboard module and a keyboard device. The keyboard module includes a circuit assembly, a plurality of key assemblies, and at least one microphone. The circuit assembly has a signal output interface. The key assemblies are configured on the circuit assembly, and each key assembly is adapted to be pressed to drive the circuit assembly to generate a tapping signal. The microphone is electrically connected to the circuit assembly. The tapping signal and a sound signal generated by the microphone are respectively transmitted out of the keyboard module through the signal output interface.

Abstract: A button assembly includes a bottom plate, a cap, an elastic member, a link member, and an interference member. The cap is disposed on the bottom plate, and the cap has a button surface and an inner surface relative to each other. The elastic member is disposed under the cap. The link member has two parallel portions parallel to each other and a horizontal portion connected with the two parallel portions, wherein the two parallel portions are disposed to the bottom plate and the horizontal portion is disposed to the inner surface. The interference member is disposed between the inner surface and the link member.

Abstract: A sensing device includes a substrate, two chips, and a shielding structure. The two chips are respectively defined as an emitting chip and a receiving chip. The emitting chip can emit a sensing light beam, the receiving chip can receive the sensing light beam, and the two chips are fixed in position on the substrate at intervals. At least one of the chips is electrically connected to the substrate through at least one wire, and a position where the wire is connected to the substrate is located between the two chips. The shielding structure is formed on the substrate. The shielding structure is located between the two chips, and the shielding structure covers the wire and a portion of the chip connected to the wire. Compared with the conventional photo-plethysmography sensor, the sensing device has the advantage of a smaller size.

Abstract: A transformer includes iron cores and a winding structure. The iron cores are stacked on each other at intervals, and iron core gaps are formed between the iron cores, wherein relative positions between the iron core gaps are fixed. The winding structure is disposed around the iron cores and includes a plurality of coils. A position of at least one of the iron core gaps corresponds to a position of at least one of coils.

Abstract: A keyboard includes a backlight module, a base plate, a membrane circuit disposed on the base plate, and a plurality of key structures disposed on the membrane circuit. The backlight module includes a light source, a reflective layer, a light guide layer, and a shielding layer. The light source is disposed corresponding to the light guide layer. The light guide layer is located between the shielding layer and the reflective layer. The light guide layer has a through-hole. The shielding layer and the reflective layer are in contact with each other in the through-hole of the light guide layer. The base plate is disposed on the shielding layer. The base plate has a positioning portion disposed corresponding to the through-hole of the light guide layer, which protrudes toward the reflective layer or the membrane circuit.

Abstract: A magnetic component is provided. The magnetic component comprises a primary coil group, a secondary coil group, and a magnetic core. A first primary coil and a second primary coil of the primary coil group are winding around a first winding column and a second winding column of the magnetic core, respectively. The number of turns of the first primary coil is different from the number of turns of the second primary coil. A first secondary coil and a second secondary coil of the secondary coil group are winding around the first winding column and the second winding column, respectively. The number of turns of the first secondary coil is different from the turns of the second secondary coil.

Abstract: A light emitting device including a lighting unit and a conversion material is disclosed. The conversion material is configured to convert a part of the invisible light emitted from the lighting unit into a visible light, which indicates that the lighting unit is in operation. The spectral energy of visible light is less than 20% of the spectral energy measured within a wavelength range of 200 nm to 380 nm.

Abstract: A key structure is provided, including a housing, a shaft body, a first magnetic component and a second magnetic component. The housing has a bottom portion and a top portion which are opposite to each other, and has a first opening located at the top portion. The shaft body is coupled with the housing by passing through the first opening, and the shaft body is suitable for being pressed to move in a pressing direction from the top portion to the bottom portion. The first magnetic component is arranged on the shaft body. The second magnetic component is arranged on the housing. The first magnetic component and the second magnetic component are separated by the housing.

Abstract: A light emitting diode (LED) package structure including a first light emitting portion, a second light emitting portion, a partition, and a surrounding wall is provided. The first light emitting portion includes a first LED chip emitting a first initial light, and the first initial light passes through the first light emitting portion to form a first white light. The second light emitting portion includes a second LED chip, a third LED chip, and a fourth LED chip. The partition is disposed between the first light emitting portion and the second light emitting portion. The surrounding wall is disposed around the partition, the first light emitting portion, and the second light emitting portion. The first white light has a view angle offset less than 1 degree.

Abstract: A head-up display including a light source module, a spatial light modulator, an imaging screen group and a control unit is provided. The light source module is configured to project a light beam. The spatial light modulator is configured to modulate the light beam as a first image and a second image and project respective image lights of the first and second images. The imaging screen group is configured to reflect the image lights of the first and second images to the visible range of the user, such that the user can view the first and second images. The control unit is coupled to the spatial light modulator to input at least two modulation signals to control the beam-splitting mechanism of the spatial light modulator.

Abstract: A light sensing module and an electronic device using the same are provided. The light sensing module includes a substrate, a light sensing unit, a first light-transmissive component and a blocking wall. The light sensing unit is disposed on the substrate to sense an intensity of a working light beam. The first light-transmissive component covers the light sensing unit, and has a first refractive index that is between a refractive index of the light sensing unit and a refractive index of air. The blocking wall is disposed on the substrate, and surrounds the light sensing unit and the first light-transmissive component.

Abstract: The invention provides an input device including a holder, a first wheel, a slider, and a first pressure part. The first wheel is disposed on the holder, and includes a side surface, a circle center, and a segment adjusting structure. The segment adjusting structure is disposed on the side surface in a manner of surrounding the circle center. The slider is disposed on the holder, and is movable relative to the holder to move toward or away from the circle center. The first pressure part includes two first ends. One of the first ends is connected to the slider, and as the slider moves toward or away from the circle center, interference between the other first end and the segment adjusting structure is increased or reduced.

Abstract: The disclosure provides a key structure, including a bottom plate, a switch element, a keycap, a positioning element, and a linkage rod. The switch element is disposed on the bottom plate. The keycap is disposed on the switch element, and the switch element is located between the bottom plate and the keycap. The positioning element is connected to the bottom plate and located between the bottom plate and the keycap. The linkage rod is disposed between the keycap and the positioning element. The linkage rod has a portion disposed at a position corresponding to a groove, and two opposite sides of the linkage rod are each in contact with the keycap and the positioning element.

Abstract: The present disclosure provides a keyswitch comprising a baseplate, a circuit layer, an elastic part, a thin film, a keycap, and a linkage component. The circuit layer is disposed on the baseplate. The baseplate penetrates and is exposed from the circuit layer. The elastic part is disposed on the circuit layer. The thin film is disposed on the circuit layer. The thin film is provided with an opening. The baseplate penetrates and is exposed from the opening. The elastic part protrudes from the opening. The keycap is disposed above the elastic part and covers the elastic part. Two ends of the linkage component are respectively connected to the baseplate and the keycap. The elastic part is disposed in the linkage component. The linkage component drives the keycap to move up and down relative to the baseplate. The thin film is disposed on the movement path of the keycap.

Abstract: An illuminated keyboard includes a keyboard module, a circuit board and a backlight module. The keyboard module includes a bracket and at least one first key cap, disposed above the bracket. At least one side-emitting element and a top-emitting element are disposed at the circuit board. The backlight module is disposed below the keyboard module and includes a light guide plate having a slot. The at least one side-emitting element extends into the slot such that the light emitted from the at least one side-emitting element enters the light guide plate. The light passes through a light output zone of the bracket and illuminate the at least one first key cap.

Abstract: The disclosure provides a key structure, which includes a support, a keycap, a linkage, a circuit layer, and a trigger mechanism. The keycap can be lifted and lowered above the support. The linkage is movably connected to the support and the keycap. The support is located between the circuit layer and the linkage. The trigger mechanism is disposed between the circuit layer and the keycap. The key structure of the disclosure provides a disposition of a support spaced circuit layer and a linkage.

Abstract: A light source device includes a substrate, a light emitting unit, a frame, a light permeable member, and a metal shield. An upper electrode layer and a lower electrode layer of the substrate are respectively disposed on two opposite sides of the substrate, and are electrically coupled to each other. The light emitting unit is disposed on the upper electrode layer. The frame is disposed on the substrate and is arranged around the light emitting unit. The light permeable member is disposed on the frame and covers the light emitting unit. The metal shield is fixed to an inner side of the frame and is connected to the ground pad of the upper electrode layer. The metal shield is arranged around the outer side of the light emitting unit.