105results about "Electrostatic discharge protection" patented technology

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.

An electronic control device includes a non-conductive resin housing; a circuit board; a metal housing; a waterproof seal material; and a conductive adhesive. The circuit board has a circuit ground (GND pattern), and is held by the resin housing. The metal housing covers the circuit board and is attached to the resin housing. The waterproof seal material seals and waterproofs the resin housing and the metal housing. The conductive adhesive is in contact with the metal housing and the circuit ground, and electrically connects the metal housing to the circuit ground at a plurality of points.

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.

This application illustrates an electro-static discharge protection structure and an electronic device. One end of a pressure-sensitive elastic component is connected to a metal housing, the other end of the pressure-sensitive elastic component extends in a direction away from the metal housing. A border frame includes a connection part—and a first side edge. A conductive layer is disposed on a side, facing the pressure-sensitive elastic component, of the connection part. The one end of the pressure-sensitive elastic component—is connected to the conductive layer, and the other end of the pressure-sensitive elastic component is connected to the metal housing.

The application provides a support plate, a flexible display module and an electronic device. The support plate comprises at least one support layer, the support layer has a first surface and a second surface opposite to each other along the thickness direction of the support layer; and each support layer is provided with a carbon fiber substance, and the distance between the carbon fiber substance and the first surface and the second surface of the support layer along the thickness direction of the support layer is 0.5-2 microns. The support plate is light in weight, the resistance of the support plate is reduced, the conductive requirement of the support plate is met, and the problem that the flexible display module displays abnormally due to the electric field or static electricity when the electric field reliability test is performed on the flexible display module or static electricity is generated in the flexible display module is effectively avoided when the support plate is applied to the flexible display module.

A display device in which a front electrode serving as a diaphragm in a condenser-type microphone module is disposed on one surface of a display panel, and a rear electrode is disposed under a frame, so that a change in capacitance between the front electrode and the rear electrode caused by the vibration of the front electrode is sensed with high sensitivity. Accordingly, the condenser-type high-sensitivity microphone can be integrated into the display device.

Embodiments of the present application provide a display panel and a display device, and relate to the display field, and aim to improve the electrostatic protection capability of the display panel. The display panel comprises a display substrate, a cover plate located on the side of the display substrate facing the light-out surface of the display panel, a first coating layer located on the side of the cover plate away from the display substrate, and a second coating layer at least partially located on the side of the cover plate close to the display substrate, and the surface resistance of the second coating layer is greater than that of the first coating layer.

The application relates to the technical field of power equipment, and particularly discloses a transformer test auxiliary wiring device and method. The device comprises a sleeve fixing unit, a grounding module, a connecting piece and a short-circuit interface; the sleeve fixing unit comprises a straight rod and a bent hook fixed to one end of the straight rod; the grounding module selectively anchors the voltage of the sleeve of the same voltage grade side of the transformer to be tested to the ground potential; the short-circuit interface is electrically connected with the grounding module; a test end is used for electrically connecting the transformer end on the transformer to be tested; a connecting end is used for electrically connecting the short-circuit interface; all the resistance test lines are electrically connected with each other through the short-circuit interface; the connecting piece connects the other end of the straight rod and the short-circuit interface; the connecting piece is provided with a fixing buckle; and a wire harness bundle can be detachably installed on the fixing buckle. The device is used for guiding the resistance test lines, avoiding touching the ground and the porcelain bottle outside the sleeve, and can realize the ground insulation of the resistance test lines; thus, short-circuit and grounding operations can be performed, the measurement of the test items of the transformer to be tested can be realized, and the on-site work efficiency is improved.

An electronic control device (100) includes a non-conductive resin case (7), a circuit board (5), a metal case (6), a waterproof sealing material (9), and an adhesive (1) having conductivity. The circuit board (5) has a circuit ground (GND pattern (4)) and is held on the resin case (7). The metal case (6) covers the circuit board (5) and is mounted on the resin case (7). The waterproof sealing material (9) seals the resin case (7) and the metal case (6) and performs waterproofing. The adhesive (1) having conductivity is in contact with the metal case (6) and the circuit ground, and electrically connects the metal case (6) and the circuit ground at multiple sites.

The invention provides a display module and a display device. The display module comprises a display panel, a composite film located on the backlight side of the display panel, and a near field communication module located on the side, away from the display panel, of the composite film. The display panel comprises a central area and an edge area, and the edge area surrounds the central area; the composite film comprises a plurality of film layers, and the projection of at least one film layer in the composite film on the display panel is overlapped with at least part of the edge area; and at least one film layer with a conductive function in the composite film is electrically connected with the grounded flexible circuit board. Thus, electrostatic charges at the edge of the display module can be quickly led into the grounding end of the flexible circuit board through at least one film layer with a conductive function in the composite film, and the situation that static electricity breaks down the display panel or damages wires in the display panel, and consequently dark spots or abnormal display is caused is prevented.

The application relates to a printed circuit board arrangement temporary storage mechanism and relates to the field of circuit board processing technology, which comprises a support assembly, a placing assembly and a blowing assembly. The placing assembly comprises a placing frame and a plurality of placing pieces for placing the printed circuit boards. The plurality of placing pieces are located in the placing frame, the distribution direction of the plurality of placing pieces is consistent with the length direction of the vertical side of the placing frame, and placing gaps are left between the plurality of placing pieces. The blowing assembly comprises an outer box body, at least one blowing piece and at least one ionization piece. The placing frame is located in the outer box body, a blowing gap is left between the placing frame and the outer box body, the blowing piece is located in the blowing gap, the blowing piece comprises an inner box body, a fan and a plurality of branch pipes, the fan is used for connecting the inner box body and the outside, the plurality of branch pipes are all connected to one side of the inner box body close to the placing frame, one branch pipe corresponds to one placing gap, and the ionization piece is located in the inner box body and is used for ionizing air. The application has the effect of improving the difficulty in eliminating static electricity.

A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

The invention relates to a sensor element with overvoltage protection, comprising: a carrier element; a sensor structure applied or attached to the carrier element for detecting a measurement variable, the sensor structure having a first electrical contact point and a second electrical contact point, the sensor structure being operable by applying a voltage between the first electrical contact point and the second electrical contact point; and an overvoltage protection element applied to the carrier element and comprising a sub-element pair consisting of a first sub-element comprising a first conductor rail and a first pad and a second sub-element comprising a second conductor rail and a second pad spaced apart from the first pad, a first conductor rail electrically connects the first electrical contact to the first pad and a second conductor rail connects the second electrical contact to the second pad, the first pad and the second pad being designed and arranged on the carrier element at a first distance from each other such that a spark gap is formed between the first pad and the second pad.

The invention relates to a die cutting detection device for an electronic product protective film, and belongs to the technical field of visual inspection, the die cutting detection device for the electronic product protective film comprises a detection seat, a detection box and a visual inspection camera arranged in the detection box, and the detection box is fixedly connected with a spraying mechanism. Through cooperative use of the spraying mechanism and the leveling mechanism, an anti-static liquid is sprayed to the protective film of the electronic product after die cutting through an atomizing nozzle, so that on one hand, some tiny defects on the protective film of the electronic product can be amplified and displayed by liquid drops; on the other hand, static electricity attached to the protective film of the electronic product can be eliminated by the anti-static liquid, the probability that the static electricity adsorbs fine dust is reduced, and the sprayed anti-static liquid is gathered when the leveling plate moves towards the two sides, so that a large amount of anti-static liquid is left at the defect position, and few anti-static liquid is left on the outer surface of the protective film of the electronic product; therefore, the detection precision is prevented from being influenced by large-scale coverage of the anti-static liquid.

The invention discloses an air guard with an electrostatic protection device, and the air guard with the electrostatic protection device comprises a sensor assembly box which is provided with a plurality of sensor circuit modules, each sensor circuit module is covered by a shielding cover, and each sensor circuit module is connected with an electrostatic protection device; the power supply assembly box is provided with a plurality of electrical interfaces, each electrical interface is provided with a protection device, the power supply assembly box is detachably connected with the sensor assembly box, the power supply assembly box is electrically connected with the sensor assembly box through the electrical interfaces, and the power supply assembly box is used for being connected with an external power supply through the electrical interfaces; and the external power supply is converted into working voltage and then is output to the sensor assembly box. According to the invention, the problem of low electrostatic discharge endurance capability in air guards is solved.

An electronic device includes a base, a covering body, a metal member and a protection device. The covering body is made of conductive material and is fixedly connected to the base. The metal member is fixedly disposed on the base. The protection device is disposed on the base and connected between the metal member and the covering body. The covering body and the base are arranged along a first axis, and when viewed along the first axis, the protection device overlaps at least a portion of the metal member.

The invention discloses a shell, an operating handle and an endoscope, and relates to the technical field of medical instruments, the shell is used for the endoscope, a containing cavity is formed in the shell, the containing cavity is suitable for containing an electronic element, the shell is provided with a gap, the containing cavity is communicated with the outside of the shell through the gap, and a conductive part extending in the gap direction is arranged in the gap of the shell. The conductive member at least partially shields the gap. The shell can provide a protection capability for the electronic element, prevents external dust and foreign matters from entering the accommodating cavity, and improves the protection capability. The shell is provided with a gap, the handle shell is prone to carrying static electricity due to friction and / or contact with the hand and / or clothes, and electrostatic charges can enter the containing cavity from the gap. And the conductive piece can play a role in conducting charges conducted to the gap from the outside or the outer surface of the shell. The conductive member timely guides and shunts charges gathered at the gap, thereby preventing the charges from gathering in a large amount in the gap, and preventing the charges from breaking down or damaging electronic components in the housing.

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.

The invention provides a scratch guard (100) comprising a top section (101) having a preformed portion (101a) configured to remain visible on a top surface of a shelf (200) after installation, where the preformed portion (101a) is shaped as a frustum to provide a sliding surface to a sliding component (300). Further, an intermediate section 102 is provided, the intermediate section 102 comprising a cylindrical portion 102a configured to pass through the slot 204 of the shelf 200, where the cylindrical portion 102a has a height substantially equal to the thickness of the shelf 200. Further, a bottom section 103 is provided having a deformable portion 103a shaped as an inverted frustum wherein the deformable portion 103a is configured to deform during insertion into the slot 204 of the shelf 200 and to return to its original shape after insertion to secure the scratch guard to the shelf 200.

The present disclosure provides a stacked body for a flexible display device comprising a substrate layer, and an antistatic layer, wherein a surface resistance of an antistatic layer side surface of the stacked body for a flexible display device is 9×1013Ω / □ or less; and a surface resistance of the antistatic layer side surface of the stacked body for a flexible display device after an eraser test is 9×1013Ω / □ or less, wherein, in the eraser test, the antistatic layer side surface of the stacked body for a flexible display device is rubbed with a 6 mm diameter eraser, for 2500 strokes, applying a load of 9.8 N.

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.

Provided is a metal detector that reduces capacitive coupling between a transmitting coil and a receiving coil and is easy to handle. A metal detector that determines whether or not metal is contained in an inspection object, the metal detector including: a housing; a transmitting coil and a receiving coil disposed inside the housing; a holding material configured to hold the transmitting coil and the receiving coil in the housing; and a shield member disposed between the transmitting coil and the receiving coil. An electrical resistivity of the shield member is higher than an electrical resistivity of the housing.

A display apparatus comprises a pad electrode BPAD on a substrate SUB, a first line HVP1 on the substrate, an adhesive layer on the pad electrode, and a data driving circuit 120 adjacent to the first

The invention provides a metal detector which suppresses electrostatic coupling between a transmitting coil and a receiving coil and is easy to operate. This metal detector (1) determines whether or not a metal is mixed in a subject (W). The metal detector (1) is provided with: a housing (11); a transmission coil (12) and reception coils (13A, 13B) disposed within the housing (11); a holding material (14) that holds the transmission coil (12) and the reception coils (13A, 13B) in the frame body (11); and a shield member (16) disposed between the transmission coil (12) and the reception coils (13A, 13B). The resistivity of the shield member (16) is higher than the resistivity of the housing (11).

A reinforcement plate, a display assembly, and a terminal, the reinforcement plate including a carbon fiber composite layer and a first conducting layer. The carbon fiber composite layer includes a resin layer and a carbon fiber filament disposed in the resin layer. The carbon fiber composite layer includes a first surface. The first surface exposes a first part of the carbon fiber filament, and the first conducting layer is located on the first surface and is in contact with the first part of the carbon fiber filament.

A mechanical part includes a mechanical part body and a conductive part. The mechanical part body includes an insulation part and a carbon fiber filament. The carbon fiber filament is embedded in the insulation part, and a part of the carbon fiber filament is exposed outside the insulation part. The conductive part is at least partially in contact with and electrically coupled to the exposed carbon fiber filament. Because the carbon fiber filament has good conductivity, the conductive part disposed on the mechanical part body and the exposed carbon fiber filament can be conducted, to form a conductive path, so that the carbon fiber filament in the mechanical part may be used as a discharge path of an electrostatic current. In addition, the conductive part in the mechanical part may also be used as a point for electrical connection.

Embodiments of the present disclosure relate to a near field communication (NFC) antenna designed for electrostatic discharge (ESD) protection. An example NFC communication device, a mobile electronic device including the NFC communication device, and a method of manufacturing an ESD protected NFC communication device are provided. An example NFC communication device includes NFC control circuitry, an NFC loop antenna, and an electrical ground. The NFC control circuit arrangement includes an NFC controller and an impedance matching circuit arrangement. The NFC loop antenna is electrically connected to the NFC controller and the impedance matching circuit arrangement. The electrical ground is electrically connected to an inductive characteristic center of the NFC loop antenna, wherein the electrical ground provides a discharge path for an electrostatic discharge received at the NFC loop antenna.

An automotive touch circuit device includes: an analog front-end circuit, a first storage, a second storage, a micro control unit and an ESD protector. The analog front-end circuit has an ESD detector for detection to output a detection result signal. The first storage stores a control parameter having a first error detection code based on which a first error detection signal is generated. The second storage stores touch data having a second error detection code based on which a second error detection signal is generated. The micro control unit generates a notification signal based on the control parameter and touch data. When detecting no ESD interference, the ESD protector enables the notification signal to be output. When detecting ESD interference and an error detection result represented by one of the first and second error detection signals indicates an error, the ESD protector disables the notification signal to be output.

The embodiment of the application provides a kind of electrostatic protection structure and electronic equipment, it is related to terminal technical field, at least one plastic structure piece in electronic equipment has accommodating space, sensitive structure and electrostatic protection structure are all arranged in accommodating space, electrostatic protection structure is connected with sensitive structure and ground terminal respectively;At least one plastic structure piece and sensitive structure have gap, gap is used to make static electricity can enter accommodating space;Electrostatic protection structure at least includes: insulating substrate and conductive layer, insulating substrate is connected with sensitive structure, conductive layer is arranged at the side of insulating substrate away from sensitive structure, and conductive layer is also connected with ground terminal, and conductive layer is used to receive static electricity, and static electricity does not contact with sensitive structure.Electrostatic that enters accommodating space directly contacts with electrostatic protection structure, and does not contact with sensitive structure, can protect sensitive structure from being damaged by static electricity, and the anti-static effect of electronic equipment is better.