1206results about "Circuit bendability/stretchability" patented technology

The invention discloses a flexible circuit board made of weldable low-temperature silver paste and a preparation process of the flexible circuit board, and relates to the technical field of flexible electronic device manufacturing, and the flexible circuit board comprises a base material layer, a low-temperature weldable silver paste conductive layer and a protective layer. According to the invention, the collaborative design of the weldable low-temperature silver paste and the self-repairing protection layer is integrated, the efficient preparation of the flexible circuit board is realized through the printing technology, the weldable low-temperature silver paste breaks through the traditional high-temperature limitation, supports a wide range of substrates and can be directly welded without surface treatment, and in addition, the polyurethane protection layer containing the dynamic disulfide bond has a self-repairing function. Compared with a traditional FPC, only two core processes of printing and baking are needed, the process is greatly simplified, the equipment investment is reduced, and double reduction of the manufacturing cost and the material cost is achieved.

The invention discloses a stator structure and an AC motor, and relates to the technical field of AC motors, and the stator structure comprises a stator magnet yoke and a flexible circuit board. A cavity with two through ends is formed in the stator magnet yoke; the flexible circuit board is wound and attached to the cavity wall of the cavity, one end of the flexible circuit board is provided with a wiring end used for being connected with an external alternating-current power source, the flexible circuit board at least comprises two conducting layers, a plurality of wires are arranged in each conducting layer, the wires in one conducting layer are electrically connected with the wires in the other conducting layer to form a coil in an enclosing mode, and the coil is arranged in the cavity. The plurality of coils are arranged at intervals along the circumferential direction of the stator magnet yoke and are electrically connected with the wiring terminal; the flexible circuit board is attached to the inner wall of the stator magnet yoke, current passes through the coil and generates a radial magnetic field perpendicular to the stator magnet yoke, and the magnetic field forms a magnetic field loop through the stator magnet yoke. According to the stator winding, the installation of the stator structure can be realized through a fitting mode, and the processing and assembling convenience of the stator structure of the motor is improved.

A stretchable pixel array substrate includes a base, pixel structures and a gate driving circuit electrically connected to the pixel structures. The base has an active area and a peripheral area outside the active area. The peripheral area has openings to define first islands, second islands and first bridges of the peripheral area. An area of each of the first islands is greater than an area of each of the second islands. At least a part of the first bridges is connected between the first islands and the second islands. The pixel structures are disposed on the active area of the base. The gate driving circuit includes first parts disposed on the first islands and second parts disposed on the second islands and electrically connected to the first parts.

The invention discloses a printed circuit stiffening plate processing device which comprises a bottom plate, a shell is fixedly connected to the middle of the upper end of the bottom plate, symmetrical moving grooves are formed in the upper end of the shell, moving blocks used for centering and positioning a stiffening plate are slidably connected to inner cavities of the moving grooves, and a placement table is arranged in the middle of the upper end of the shell. And a piston is vertically and slidably connected to the middle of an inner cavity of the placement table, a driving mechanism is arranged below the placement table, and when the driving mechanism rotates clockwise, the piston moves downwards after the moving block is driven to be close to the reinforcing plate. Under the action of elasticity, the connecting plate can synchronously get close to the position of the placement table, at the moment, the connecting plate can drive the positioning rod to synchronously get close to the position where the stiffening plate is located, and even if the shape of the stiffening plate is irregular and the position state of the stiffening plate is inclined during placement, the stiffening plate can be elastically clamped and centered through the positioning rod; and the thin reinforcing plate is prevented from warping under the action of clamping force.

The embodiment of the invention provides electronic equipment. The electronic equipment comprises a charging interface, a first circuit board, a metal reinforcing piece and a support assembly. The first circuit board comprises a connecting end. The connecting end is provided with a grounding terminal. The connecting end is electrically connected with the charging interface. The metal reinforcing member and the connecting end are arranged in a stacked manner. The metal reinforcing member is electrically connected with the grounding terminal. The support assembly comprises a metal support and a conductive part. At least part of the connecting end is located in the metal support. The metal support comprises a main body part and a grounding part. The grounding part is electrically connected with the main body part. And the metal reinforcing piece and the main body part are electrically connected with the conductive piece respectively. The grounding part is used for grounding. According to the electronic equipment provided by the embodiment of the invention, the structural design difficulty is reduced, and the assembly difficulty and the production cost are reduced.

A stretchable circuit board assembly and a method for manufacturing the same are provided. The circuit board assembly includes a flexible circuit board and an outer circuit board. The flexible circuit board includes a first base layer and an inner wiring layer. The flexible circuit board is divided into a connecting area and a stretchable area. The inner wiring layer within the connecting area includes an electrical connecting portion exposed from the outer circuit board. The stretchable area is configured to deform into at least one bent portion. The bent portion is used to cause the electrical connecting portion to stretch relative to the outer circuit board. The outer circuit board includes a second base layer and an outer wiring layer. A surface of the second base layer away from the outer wiring layer defines at least one blind groove. The blind groove is configured to receive the bent portion.

The invention discloses a stiffening plate fitting, positioning and dust removing mechanism which comprises a fixed plate fixed to a workbench, a positioning frame which is hollow in the middle and is of a square structure is arranged at the top of the fixed plate, the four side faces of the inner side of the positioning frame are inclined faces, and moving grooves are formed in the front side edge and the rear side edge, opposite to each other, of the positioning frame. Placing grooves are formed in the left and right opposite side edges of the positioning frame, connecting rods are arranged at the two ends of the electrostatic dust collection rod, and the two ends of the electrostatic dust collection rod are in sliding insertion connection with the two moving grooves of the positioning frame correspondingly. The device is used for reinforcing and attaching the plate, automatic positioning and position adjusting are achieved when the plate moves to the bearing plate, the attaching accuracy is improved, reinforcing and attaching of various reinforcing plates at different positions of the same plate are achieved at the same time, the dust collection paste can adsorb and collect dust falling after an electrostatic dust collection rod stops working, and the device is simple and practical.

A method of the subject technology includes forming a first circuit component at a first portion of a deformable substrate and forming a second circuit component at a second portion of the deformable substrate. The method further includes electronically coupling the first circuit component and the second circuit component using traces comprising a formulation including a liquid Ga-based alloy and a metal filler.

The invention provides a double-frequency array type annular transducer for intravascular ultrasonic imaging, and relates to the technical field of medical ultrasonic imaging. The double-frequency array type annular transducer for intravascular ultrasonic imaging comprises a catheter and a flexible circuit board arranged on the outer wall of the catheter in a surrounding mode in the circumferential direction of the catheter, and a backing layer, a piezoelectric layer and a conducting layer are sequentially arranged on the flexible circuit board in the radial direction of the catheter; the piezoelectric layer comprises a plurality of high-frequency transduction units and a plurality of low-frequency transduction units, and the high-frequency transduction units and the low-frequency transduction units are arranged at intervals in the circumferential direction of the conduit; and a filling piece is arranged between the adjacent high-frequency transduction unit and low-frequency transduction unit. According to the invention, a surface layer high-resolution image can be obtained to accurately identify vulnerable lesions such as TCFA and the like, and high-quality imaging can be carried out on a deep blood vessel wall and an outer membrane structure.

The present disclosure provides an electronic device. The electronic device includes a flexible element, and a sensing element adjacent to the flexible element and configured to detect a biosignal. The electronic device also includes an active component in the flexible element and electrically connected with the sensing element. A method of manufacturing an electronic device is also disclosed.

The embodiment of the invention provides a flexible circuit board assembly, a rotating shaft assembly and foldable electronic equipment, and belongs to the technical field of electronic equipment, a flexible circuit board is arranged on a rotating shaft in a penetrating mode through a through hole in the rotating shaft, a first adsorption part is connected with a second adsorption part in the through hole in an adsorption mode, and a clamping part is matched with the rotating shaft in a clamping mode. High limiting fastness of the flexible circuit board is achieved, the problem that the flexible circuit board falls off in scenes such as falling is solved, and the risk of breakage of the rotating shaft is reduced. The first adsorption part and the second adsorption part are located on the same side of the flexible circuit board, so that the thickness space occupied by the adsorption parts in the rotating shaft is reduced, the strength of the rotating shaft is improved, and the breakage risk of the rotating shaft in scenes such as falling is reduced under the condition of high adsorption effect. Moreover, the clamping part is detachably connected with the rotating shaft in a clamping manner, and the first adsorption part and the second adsorption part can be separated under the action of external force, so that the flexible circuit can be conveniently detached from the rotating shaft, and the detachment in the scenes of repair and the like is facilitated.

A wiring module is attached to a plurality of power storage elements, and includes: a flexible printed circuit board; and a protector holding the flexible printed circuit board, wherein the flexible printed circuit board includes a base film, a plurality of conduction paths that are disposed on a surface of the base film, and a connector that has an opposing surface opposing the surface of the base film and that is connected to the plurality of conduction paths, the plurality of conduction paths and electrode terminals of the plurality of power storage elements are electrically connected, the connector includes connection portions that are connected to the plurality of conduction paths, and at least some of the plurality of conduction paths are routed from the connection portions through a space between the surface of the base film and the opposing surface of the connector.

The invention provides a rigid-flex board 3D steel sheet reinforced press-fit structure. The rigid-flex board 3D steel sheet reinforced press-fit structure comprises a first press-fit auxiliary material, a second press-fit auxiliary material, a lower alignment jig, a laminated structure, an upper alignment jig, a second press-fit auxiliary material and a first press-fit auxiliary material which are sequentially arranged from bottom to top. The laminated structure comprises a windowed lower press-fit auxiliary material, a rigid-flex board and a windowed upper press-fit auxiliary material, and the 3D steel sheet comprises a substrate and a lug boss arranged on the substrate; the position, corresponding to the protruding part, of the rigid-flex board is windowed, the substrate is arranged on the lower side of the lower press-fit auxiliary material, and the protruding part penetrates through the windowed lower press-fit auxiliary material, the rigid-flex board and the windowed upper press-fit auxiliary material; and the lower alignment jig and the upper alignment jig are provided with mutually matched grooves corresponding to the bulge positions of the laminated structure. Through pretreatment of the rigid-flex board and the steel sheet, the surface activity is enhanced, the cohesiveness is improved, and the bonding strength of the 3D steel sheet and the rigid-flex board is remarkably improved in cooperation with a gradient pressing process.

An electronic device including a housing; a first printed circuit board disposed in the housing; a second printed circuit board disposed in the housing; a flexible printed circuit board configured to electrically connect the first printed circuit board to the second printed circuit board, the flexible printed circuit board including: a first connector connected to the first printed circuit board, a second connector connected to the second printed circuit board, and a bending part which extends from the first connector away from the second printed circuit board and bends to extend toward the second printed circuit board; an electrical component disposed in the housing, wherein at least a portion of the electrical component faces the flexible printed circuit board; and a buffer member disposed between a first portion of the bending part and a second portion of the bending part which faces the first portion of the bending part.

A display device may include a main flexible printed circuit including a first alignment mark and electrically connected to a first panel; and a touch flexible printed circuit including a second alignment mark and electrically connected to a second panel that is perpendicular to the first panel, wherein the main flexible printed circuit is electrically connected to the touch flexible printed circuit through a pad region, and the touch flexible printed circuit includes a first overcoat region disposed between the first alignment mark and the second alignment mark.

A sensing device (100) for collecting a motion signal of a target object and a wearable device comprising the sensing device (100). The sensing device (100) comprises a first sensing unit (120) arranged on a first side face (110-a), facing a target object, of a flexible substrate (110). An electric signal generated by a first sensing unit (120) is conducted to a target position (A) through a first conductive channel (111) arranged on a flexible substrate (110), and the target position (A) is farther away from a target object relative to a first side face (110-a), so that the connection position of the sensing device (100) and an external circuit can be away from the first side face (110-a). The first side surface (110-a), facing the target object, of the sensing device (100) can be kept flat, and non-uniform deformation of the first sensing unit (120) of the first side surface (110-a) is avoided, so that the working stability of the sensing device (100) is improved. Meanwhile, the first side surface (110-a) is kept flat, so that the foreign body sensation when the sensing device (100) is worn can be reduced, and the wearing comfort of the sensing device (100) is improved.

A lens driving device is provided, including: a holder member; a first driving unit disposed at the holder member; a base disposed at a lower side of the holder member and spaced apart from the holder member; a first circuit board disposed at an upper surface of the base; a second circuit board including a second driving unit facing the first driving unit, and disposed at an upper surface of the first circuit board; a support member supporting the holder member with respect to the base; and a guide portion protruded from an upper surface of the base, wherein the guide portion supports the second circuit board. In an embodiment, a coil at the second circuit board and a magnet at the holder member may be assembled at a predetermined interval, such that reliability of the product with respect to performance of handshake compensation device can be enhanced.

The present invention provides a flexible LED vehicle-mounted display screen and a production process thereof. The production process includes the following steps: adopting an FPC as a basic material of the display screen main body, fixing the flexible screen on a mold, mixing a PU glue, degassing treatment, glue dripping, automatic degassing, curing, and collecting. The flexible screen is fixed on a mold tray by magnetic suction or vacuum, and an air pressure sensor, a camera, a solenoid valve and the like are used to intelligently process the glue dripping and degassing processes. A plurality of Bluetooth BLE is installed on an FPC for communication, an MCU with a DMA function is adopted, and data are compressed to 50% of original data by an LZSS coding algorithm, which greatly reduces the time for the flexible screen to send data and improves the user experience.

A stacked printed circuit board (PCB) assembly is provided comprising a first rigid PCB having high complexity components, a dynamic bending flexible PCB, and a PCB interposer electrically interconnected between the rigid and flexible PCBs. The high complexity components may have a pin count exceeding 100 and pitch under 0.4 mm. The dynamic bending flexible PCB is optimized for flexing by using fabrication processes unsuitable for the complexity components. The rigid and flexible PCBs are manufactured separately then integrated using the PCB interposer. This enables the rigid PCB to utilize processes for optimizing density and complexity without constraining the flexible PCB bending requirements. The discrete approach improves fabrication and bend cycle yields compared to conventional rigid-flex solutions. Reliable dynamic flexing is achieved while integrating complex components requiring rigid PCB fabrication.

Provided is a composite substrate having a variable dielectric constant, the composite substrate comprising: a stretchable polymer matrix formed of a stretchable polymer having elasticity; and a dielectric cluster having a predetermined shape, the dielectric cluster being contained in the polymer matrix and formed from a dielectric powder having dielectric properties, wherein when the composite substrate is stretched, the predetermined shape of the dielectric cluster changes and thus the dielectric constant changes.

The present application relates to a flexible circuit board, a display panel, and a display apparatus. The flexible circuit board comprises: a substrate, an electronic element, and an adhesive layer. The substrate comprises a device region, the device region is located on an upper surface of the substrate, and the electronic element is fixed in the device region. The adhesive layer is fixed on a lower surface of the substrate. The adhesive layer comprises an adhesive portion and a cavity portion formed by hollowing out part of the adhesive portion, and the cavity portion is located below the device area. When the electronic element is fixed to the device area by means of surface mount technology, a concave-convex mark will be generated on the lower surface of the substrate, and the cavity portion is arranged below the device area in the present application, such that the concave-convex mark on the lower surface of the substrate can be prevented from being transferred to other film layers.

A permeable bioelectronic system comprising stretchable multilayered circuits comprising liquid metal (LM), and LM interconnects for bonding one or more inorganic electronic circuit components to the stretchable multilayered circuits.

The invention discloses a fabric mixing electronic integration system manufactured through laser fusion. The system comprises a patch type component, a laser-induced flexible sensor, a fabric substrate, a conductive fabric line, a physiological electrode and a vertical interconnection via hole. A patterned sensor can be realized on a fabric substrate through the modification capability of laser on a material; a patterned flexible electrode and an interconnection wire are realized through the fine cutting capability of laser; the intrinsic structure of the fabric is infiltrated with the conductive compound, so that high-stability vertical interconnection via holes are realized. By integrating the preparation technology, a double-layer fabric circuit board can be realized on various daily fabrics and special fabrics, and then a fabric hybrid electronic integrated system is formed after surface-mounted electronic devices are welded. Heterogeneous integration of the rigid electronic device, the flexible electronic device and the fabric is achieved, commercial PCBs or FPCBs or middleware is not included, and the wearable system is complete in function, breathable and compatible with body surface mechanics.

The invention discloses a head pasting device and method capable of adjusting pressure through pneumatic control, and belongs to the technical field of head pasting, an upper rotating shaft and a lower rotating shaft are mounted on a rotating shaft mounting seat through rotating bearings, a power device used for driving the upper rotating shaft to rotate is arranged on the rotating shaft mounting seat, and the lower rotating shaft is connected with the upper rotating shaft through a bolt; a closed cavity is formed in the connecting position of the upper rotating shaft and the lower rotating shaft, an air bag diaphragm and a piston are arranged in the closed cavity, a hollow guide shaft is coaxially arranged on the piston, the hollow guide shaft is installed in the lower rotating shaft through a guide shaft sleeve and connected with the suction nozzle assembly, and the pneumatic control pressure assembly is communicated with the closed cavity and the hollow guide shaft. According to the scheme, an air control pressure assembly is adopted, air pressure input is dynamically adjusted through an electric proportional valve, flexible transmission of an air bag diaphragm and a piston is combined, air pressure is accurately converted into linear displacement, and suction nozzle contact pressure is driven to follow a set value in real time.

Purpose is to realize a flexible electronic device of high reliability. The present invention takes a following structure to realize the purpose. An electronic device including: a plurality of element areas, famed from a first organic insulating film, and formed in island shape arranged in a first direction with a first space and arranged in a second direction with a second space, in which an element, a first wiring extending in the first direction and a second wiring extending in the second direction are formed in each of the plurality of element areas, the first wirings famed in the plurality of the element areas are connected with each other by a first wire bonding in the first direction, and the second wirings famed in the plurality of the element areas are connected with each other by a second wire bonding in the second direction.

To provide a stretchable device high in sensitivity for detecting pressure.SOLUTION: A stretchable device includes a stretchable substrate, a sensor layer and a counter electrode laminated in this order. When viewed from the stretchable substrate, a direction of arranging the sensor layer is a first lamination direction, and a direction opposite to the first lamination direction is a second lamination direction; the stretchable substrate includes a resin base material and an array layer laminated in order in the first lamination direction; and the array layer includes a first surface facing the first lamination direction and contacting the sensor layer, a depression part depressed in the second lamination direction from the first surface, and a detection electrode arranged in the depression part and contacting the sensor layer only when the sensor layer moves in the second lamination direction.SELECTED DRAWING: Figure 5

To provide a fabric hybrid electronic system that can realize multiple functions such as sensing detection and signal transmission, and also has stable performance that can withstand washing and rubbing. [Solution] The system includes a chip component, a laser-induced flexible sensor, a fabric substrate, a conductive fabric line, a physiological electrode, and a vertical interconnection via, and uses the laser's material modification ability to form a patterned sensor 131 on the surface 111 of the fabric substrate, uses the laser's micro-cutting ability to form patterned flexible electrodes and interconnection wires, and forms highly stable vertical interconnection vias by infiltrating a conductive composite into the inherent structure of the fabric, and welds the chip electronic device to form a fabric hybrid electronic integrated system.