133results about "Earth/grounding circuits" patented technology

A flexible display device example includes a display panel including an active area, a non-active area, and a bending area and having one edge that is bent in a rear direction to have a predetermined curvature, first and second back plates disposed on a rear surface of the display panel, a metal plate disposed on a rear surface of the first back plate and an adhesive member disposed between the metal plate and the second back plate, and including a support layer, a first adhesive layer and a third adhesive layer disposed on an upper portion of the support layer, and a second adhesive layer disposed on a lower portion of the support layer, wherein the third adhesive layer may include a conductive material and may have conductivity. Thus, fixing force of a bending portion may increase, thereby preventing cracks in the bending portion that may occur during drop evaluation.

An assembly is provided which includes a package and a printed circuit board. The package includes a housing bounding a region and an acoustic sensor within the region. The housing includes a base with a first hole. The sensor is configured to generate signals indicative of sound received by the sensor through the first hole. The printed circuit board is in mechanical communication with the base and includes a second hole aligned with the first hole such that sound received by the second hole propagates through the first hole to the sensor. The printed circuit board further includes an electrically conductive layer, at least a portion of which extends across the second hole and is configured to allow the sound to propagate through the second hole and to at least partially shield the region containing the sensor from electromagnetic interference.

The invention relates to an electromagnetic compatibility and radio frequency coexistence framework, and belongs to the technical field of vehicle-mounted display and electromagnetic compatibility. The device comprises a display module and a control system which are arranged outside a vehicle body, the control system is provided with a cooperative control unit, an electromagnetic interference suppression module and a running state monitoring and adjusting module to form a closed-loop framework, and the closed-loop framework is used for dynamically managing display signals, power and a time sequence in the running process of the vehicle, suppressing conduction and radiation interference and controlling the running state of the vehicle. And the coexistence performance of the external display and the vehicle-mounted radio frequency system is ensured, and the electromagnetic compatibility regulations are met. Further, the system comprises an integrated topology unit, a coexistence monitoring unit and a strategy execution unit, driving time sequence shaping, backflow path constraint and power supply ripple shaping are achieved, and when interference exceeds a threshold value, the system is switched to a controlled display state. A shielding-grounding-filtering three-in-one layout and a driving time sequence shaping unit can be adopted. According to the invention, the safety and reliability of external display in the aspects of electromagnetic compatibility, radio frequency coexistence and service life management are ensured.

A camera module includes a housing; cover covering the housing and including a protrusion guide on a side wall of the cover; a folded module disposed in the housing and configured to reflect incident light; a lens module through which the reflected light passes disposed in the housing; an image sensor module mounted on the housing and configured to detect the light passing through the lens module; a reinforcing plate disposed on an outer surface of the side wall of the cover so that one edge of the reinforcing plate is adjacent to the protrusion guide; and a module circuit board disposed outside the housing and including a connection portion connected to the image sensor module, and a fixing substrate connected to the connection portion and disposed on the reinforcing plate, wherein the connection portion is bent to enable the fixing substrate to be disposed on the reinforcing plate.

A rollable display apparatus including a display panel having a threshold curvature radius; a roller, having a curvature radius equal to or larger than the threshold curvature radius, attached to one side of the display panel and configured to allow the display panel to be rolled-up; and a curved surface member, spaced apart from the roller, having a curvature radius equal to or larger than the threshold curvature radius in an area in contact with the display panel, configured to bend the display panel in a direction opposite to a direction in which the display panel is rolled by the roller.

The invention relates to the technical field of water pump driver design, and particularly discloses a distributed driver for restraining disturbance power and a water pump. In order to solve the technical problem that high-frequency disturbance signals generated by a power switch unit are amplified due to the fact that a driving board of an existing distributed driver is separated and connected through a long wire, and then the disturbance power of a whole machine exceeds the standard, a capacitor is additionally arranged on the driving board provided with the power switch unit; and the capacitor is connected between the power supply cathode of the power switch unit and the grounding loop of the equipment. A high-frequency signal internal backflow path is constructed, so that high-frequency disturbance current can directly return to a power supply end through the capacitor and grounding metal parts (such as a box cover and a machine base), the signal amplification effect caused by long wire transmission is effectively avoided, and disturbance power emitted outwards through a power line is remarkably reduced. The scheme can ensure that the product meets the EMC standard requirement without changing the distributed layout of the driver, and has the advantages of small structural change and easiness in implementation.

The application discloses a packaging structure, an electro-optical modulator and an optical quantum computer, and relates to the technical field of optical communication. The packaging structure comprises a tube shell, a support and an electro-optical chip. The electro-optical chip is arranged on the tube shell through the support. The support is used for isolating the tube shell and the electro-optical chip. The packaging structure, the electro-optical modulator and the optical quantum computer can inhibit a parasitic mode and improve the electro-optical broadband of the electro-optical device.

The invention relates to the technical field of electromagnetic shielding films, and discloses a shielding film and folding electronic equipment. The number of bending times of the shielding film is within a first preset range, the resistance change rate of the shielding film and the number of bending times of the shielding film meet the following function: y = Ax4-Bx3 + Cx2-Dx + E, y represents the resistance change rate of the shielding film, x represents the number of bending times of the shielding film, and A, B, C, D and E represent fitting coefficients of the function. The resistance change rate of the shielding film and the bending frequency of the shielding film meet the function y = Ax4-Bx3 + Cx2-Dx + E. The shielding film has good bending resistance.

This invention discloses a negative ion generating circuit, system, and household appliance; belonging to the field of negative ions; under the control of a pulse oscillation unit, a boost unit boosts the input voltage of the input unit, and then obtains high voltage under the action of a voltage doubler rectifier and protection circuit, thereby increasing the negative ion concentration; the single negative electrode of the output unit discharges, and because a current limiting unit is set between the single negative electrode and the voltage doubler rectifier and protection circuit, the current at the single negative electrode can be reduced, thus suppressing ozone. Simultaneously, the connection point between the current limiting unit and the voltage doubler rectifier and protection unit is grounded, which can consume positive ions and eliminate static electricity.

The utility model relates to a substrate, a display panel including the substrate, and an electronic device including the display device. The substrate includes: a first base layer; an adhesive layer on the first base layer, the adhesive layer including at least one trench; a second base layer on the adhesive layer; and a barrier overlapping the at least one trench, the at least one trench penetrating the adhesive layer.

Embodiments of the present application provide a display module and a display device. The display module comprises a flexible circuit board and a display panel. The flexible circuit board and the display panel are connected in a binding mode. The flexible circuit board comprises a substrate layer and a conductive layer arranged in a stacking mode. The conductive layer comprises a first grounding part and a second grounding part arranged in a spaced mode. One end of the flexible circuit board is provided with a connecting structure. The connecting structure comprises at least an electrostatic input end. The electrostatic input end is electrically connected with the second grounding part. The first grounding part is electrically connected with a grounding wire in the display panel. The embodiments of the present application can reduce the amount of electrostatic entering the display panel, and realize electrostatic protection for the display panel.

The invention relates to a device for providing a ground path, used for shielding, between a printed circuit board (8) and an electrically conductive housing component (2) having a ground plate (10) which has radially resilient contact elements (14). The device according to the invention is characterised in that the printed circuit board (8) is electrically connected to the ground plate (10) via a screw connection or rivet connection (13), wherein the electrically conductive connection between the ground plate (10) and the housing component (2) is established via the resilient contact elements (14) of the ground plate (10). The device can in particular be used in a high-voltage battery.

The embodiment of the invention discloses an electronic device which comprises a shell, a metal connecting piece, a main control board, a fixing support, a conductive layer, an elastic conductive connector and a flexible circuit board, the metal connecting piece is connected in an installation groove in the shell, and the fixing support and the main control board are arranged in the shell. The conductive layer is formed on the top face, the connecting face and the outer side face of the fixing support through the PDS technology, the two ends of the elastic conductive connector are electrically connected with the metal connecting piece and the conductive layer respectively, one end of the flexible circuit board is electrically connected with the conductive layer, and the other end of the flexible circuit board is electrically connected with the main control board. Therefore, static electricity generated on the metal connecting piece is discharged and conducted to a grounding point of the main control board through the flexible circuit board. The grounding mode of the metal connecting piece in the electronic equipment is simple, the number of parts is small, the assembly process is simplified, and the electrostatic protection effect is achieved.

A display module and a display apparatus are provided. The display module according to an exemplary embodiment of the present application can include a cover member including an end portion, a display panel on a surface of the cover member, a buffer plate on a surface of the display panel, and an adhesive layer between the cover member and the display panel, wherein an end portion of the adhesive layer is disposed more outward than an end portion of the display panel toward the end portion of the cover member.

A display device includes a metal layer, a multi-functional layer, an adhesive layer, a display substrate, a printed circuit board, and a conductive connector. The multi-functional layer is disposed on the metal layer, and includes graphite and a resin mixed with the graphite. The adhesive layer is disposed on the multi-functional layer. The display substrate is disposed on the adhesive layer. The conductive connector directly connects a first surface of the printed circuit board and a lower surface of the metal layer.

The application provides a display module and an electronic device. The display module comprises a first display screen and a flexible circuit board. The flexible circuit board can be a functional device of the display screen. The first display screen comprises a display layer and a conductive layer arranged in a stack. The conductive layer is arranged on a side of the display layer away from a light-out surface. The display layer comprises a display panel and a connecting portion connected to the display panel. The flexible circuit board comprises a first portion and a second portion connected to each other. The connecting portion is connected to the second portion. The first portion of the flexible circuit board can be used as an electrically connected conductive area. The first portion is used to abut against the conductive layer under the elastic force of a grounding assembly to electrically connect the grounding assembly and the conductive layer, so that the first display screen is grounded. In this way, the flexible circuit board can not only be used as a functional device of the display screen, but also be used to ground the display screen. The flexible circuit board is reused, the design scheme of the electric connection is simplified, and the production cost is reduced.

The electronic device includes a housing having a storage compartment formed therein and including a polymer resin; a printed circuit board disposed in the storage compartment; a connector connected to the printed circuit board; and a shielding member disposed in the storage compartment and covering at least a portion of the printed circuit board, the shielding member including a first region and a second region disposed at a step in the vertical direction relative to the first region, and the connector including a ground pin contacting the second region.

The application discloses an anti-interference power supply, which comprises a shell, a power amplifier assembly arranged in the shell and used for power management, and a plurality of electrical elements arranged on the back of a printed board; the back of the printed board is opposite to an inner wall of the shell; and a conductive part is arranged between the back of the printed board and the inner wall of the shell and covers the electrical elements arranged on the back of the printed board in a projection shape on a projection plane parallel to the extension direction of the printed board; the conductive part is electrically connected with a reference point with a ground potential in the power amplifier assembly; and the reference point with the ground potential in the power amplifier assembly is electrically connected with the shell through an approval device. The anti-interference power supply can reduce the power-off probability.

Embodiments of this application provide an electrical connection assembly and a mobile terminal, and relate to the field of electronic communications technologies, to resolve a problem that an electrical connection point between an electronic component and a surface with unstable resistance is in unstable contact. The electrical connection assembly includes a first component, a second component, a conductive component, and a first insulation layer. The first component and the second component each have a conductive surface. The conductive surface of the first component is disposed opposite to the conductive surface of the second component. The conductive component is located between the first component and the second component. The first insulation layer is disposed on the conductive surface of the first component. The conductive component is in contact with the first insulation layer. The conductive component is electrically connected to the conductive surface of the second component.

A cooling device and a cooling system are provided. In the cooling device, a cold plate made of metal, a housing, a pump, a ground wire, and a conduction member are provided. The pump has a motor that drives an impeller and a circuit board that controls the motor. The circuit board is connected to the ground wire. The conduction member electrically connects the ground wire to the cold plate.

Electromagnetic shields and methods are provided for electromagnetic shielding. The electromagnetic shields include a first material configured for reflection and / or absorption of electromagnetic radiation and that includes a polymer matrix with magnetic and / or conductive nanoparticles dispersed therein. The electromagnetic shield may be provided between a source of electromagnetic radiation and an object to provide the electromagnetic shielding to the object.

The invention provides a data communication cable fixing protector, and relates to the technical field of data communication cables.The data communication cable fixing protector comprises an assembly frame, a moving block and an adjusting module, the top of the adjusting module is connected with a connecting rod through a connecting assembly, and the front face of the assembly frame is symmetrically and fixedly connected with fixing integration frames; movable integration frames are symmetrically installed on the back face of the assembly frame through clamping mechanisms, and one end of the data communication cable sequentially penetrates through the interiors of the fixed integration frame and the movable integration frames; the jacking block is pressed to move towards the interior of the clamping cap, so that the jacking block retreats from the interior of the clamping groove, the clamping state of the clamping cap and the clamping base is relieved, at the moment, the clamping cap can be separated from the top of the clamping base, the movable integration frame is detached from the back side of the assembly frame, and the data communication cable between the movable integration frame and the fixed integration frame is repeatedly pulled through the movable integration frame; whether the data communication cable on the assembly rack is stably installed is tested, so that the installation stability of the data communication cable is ensured.

This display apparatus may include a cabinet, a substrate coupled to the cabinet and including light-emitting diodes (LEDs) mounted thereon, a reinforcing member disposed between the substrate and the cabinet and coupled to the substrate, a magnet disposed between the reinforcing member and the cabinet, and configured to generate magnetic attraction between the reinforcing member and the cabinet to enable the substrate to couple to the cabinet; and a grounding member disposed between the substrate and the reinforcing member, and configured to discharge electromagnetic noise generated from the substrate through the substrate, the grounding member, the reinforcing member, the magnet, and the cabinet.

A portable electric fence energizer is described, having a housing and an electric pulse generating circuit located within the housing. The energizer further includes a post securing mechanism configured to secure the housing relative to an electrically conductive post. The post securing mechanism includes at least one electrical contact configured to contact the post when secured by the post securing mechanism. A conductive link between the electrical contact and the electric pulse generating circuit may be used to provide an earth connection for the energiser, or an output connection between the electric pulse generating circuit and a wire of the electric fence.

This display device comprises: a display panel; a chassis that covers at least one side of the display panel and includes a board mounting part; and a printed circuit board that can be detachably mounted on the chassis. The printed circuit board includes: a coupling part that can be coupled to the board mounting part; and a grounding part that protrudes from one surface of the coupling part. The printed circuit board and the chassis are configured such that, in a state in which the coupling part is coupled to the board mounting part, the grounding part comes into contact with the board mounting part to ground the printed circuit board to the chassis.

Disclosed is a display device including a display panel including a display area and a non-display area surrounding the display area; a back plate disposed on one face of the display panel and including a first ground path unit; and a heat-dissipation plate disposed on a back face of the back plate and including a second ground path unit, wherein the first ground path unit covers at least each of corners of the back plate, wherein the second ground path unit vertically overlap the first ground path unit.

The present disclosure relates to a system. There is provided a system comprising: an optical module comprising: one or more optical components; an optical module substrate, in which the optical module substrate protrudes on at least one side of the module, in which a protruding portion of the module substrate includes one or more ground pads; and an EMI shield, where the EMI shield includes at least one shielding member.

The invention provides a ship signal monitoring module structure and a ship automation system, the ship signal monitoring module structure comprises a case, a panel assembly, a back plate and a plurality of functional modules, the structure adopts a systematic electromagnetic shielding and electrostatic discharge design, and the ship signal monitoring module structure comprises a case-level shielding system and a control system, the inner surface subjected to conductive oxidation treatment, the elastic shielding reed in contact with the mounting bracket and the independent grounding interface form a first-stage shielding and grounding path; according to the module-level shielding system, gaps between panels of all functional modules are filled with shielding materials, and the panels and the case are electrically and continuously connected through elastic shielding reeds and anti-falling screws to form second-level shielding. According to the board card level shielding system, a circuit layout and protection design including a complete ground plane, an isolation design and an electrostatic discharge strip is adopted for a PCB board card of each functional module, and third-level shielding is formed. And the case-level shielding system, the module-level shielding system and the board-card-level shielding system are connected with one another through low-impedance grounding paths to form a comprehensive protection system for cooperative work.