208results about "Electrostatic discharge protection" patented technology

The invention relates to the technical field of capacitive touch screens, in particular to a static elimination method and system for a touch screen and a medium. The method comprises the following steps: sampling real-time touch pressure distribution data of a touch screen, and identifying a high-frequency interaction screen area of a user according to the real-time touch pressure distribution data; evaluating a current operation static accumulation risk according to the user high-frequency interaction screen area, and generating a compensation static accumulation prediction value; performing circuit coordinated adjustment parameter processing according to the compensation static accumulation predicted value to construct an energy coordinated absorption strategy; performing static active absorption control according to an energy coordination absorption strategy, and generating a screen comprehensive charge safety index; touch sensitivity parameters are adjusted according to the screen comprehensive charge safety index, so that collaborative elimination and dynamic balance maintenance of static electricity accumulated on the surface of the touch screen are achieved. According to the invention, energy coordination absorption is carried out based on TVS tube-voltage stabilizer linkage, and static elimination of the touch screen is realized.

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 present disclosure provides a display substrate including a base substrate, a plurality of data lines, a plurality of multiplexing circuits, a plurality of multiplexing data lines, a plurality of first electrostatic discharge circuits, a plurality of second electrostatic discharge circuits, and a plurality of first signal lines located on the base substrate. The plurality of multiplexing circuits are sequentially arranged along edges of the display region. The plurality of multiplexing circuits are electrically connected with the plurality of multiplexing data lines and the plurality of data lines. The plurality of first electrostatic discharge circuits are electrically connected to the plurality of multiplexing data lines, and the plurality of second electrostatic discharge circuits are electrically connected to the plurality of first signal lines.

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.

The present application relates to the field of cable branch box, specifically relates to a kind of integrated cable branch box, including box, door body hinged on the box;Handle assembly for eliminating human body static electricity is provided on the door body;The beneficial effects of the present application are that: in actual use, personnel when opening door body, need to pull handle main body with hand, hand needs to contact pressure plate, i.e. hand and electrode contact, at this time human body-electrode-wire one-variable resistance component-ground electrode-ground forms communication, to carry out the static electricity of human body into ground, realize the purpose of human body static electricity removal;At the same time, due to the need to pull handle main body when opening door body, and the operation of pulling handle main body is human body static electricity removal operation, so it can prevent personnel from forgetting to carry out human body static electricity removal due to forget.

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 present invention relates to the field of capacitive touch screen technology, and in particular to a method, system, and medium for eliminating static electricity on a touch screen. The method comprises the following steps: sampling real-time touch pressure distribution data on the touch screen, and identifying a user's high-frequency interactive screen area based on the real-time touch pressure distribution data; evaluating the static electricity accumulation risk of the current operation based on the user's high-frequency interactive screen area, and generating a compensation static electricity accumulation prediction value; performing circuit coordinated adjustment parameter processing based on the compensation static electricity accumulation prediction value to construct an energy coordinated absorption strategy; performing active static electricity absorption control based on the energy coordinated absorption strategy to generate a screen comprehensive charge safety index; adjusting touch sensitivity parameters based on the screen comprehensive charge safety index to achieve coordinated elimination of accumulated static electricity on the touch screen surface and maintenance of dynamic balance. The present invention realizes touch screen static electricity elimination based on the coordinated energy absorption of a TVS tube and a voltage regulator.

A display device includes a window including a module area and a display area adjacent to the module area, a display panel disposed below the window, including a module hole overlapping the module area, and including an electrostatic discharge pattern layer surrounding the module hole in plan view and receiving a voltage, and a functional module disposed below the window and overlapping the module area and the module hole.

The invention provides a display device. The display device comprises a display panel; the display device comprises a display panel, a conductive mesh layer, a transparent conductive layer and a frame body, the frame body comprises a conductive material, the display panel is arranged in the frame body, and the frame body is electrically connected with the transparent conductive layer to form a grounding path. According to the display device, static electricity generated by the display panel and the external environment is prevented from directly invading the display driving circuit through an electrical path between the display panel and the display driving circuit; meanwhile, light passing through a path is ensured, and light loss is reduced.

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 invention relates to the technical field of integrated circuit manufacturing, and discloses an integrated circuit board static elimination device which comprises a workbench, the top of the workbench is fixedly connected with a frame, a guide rail is installed on the top of the workbench, a linear motor is arranged on the guide rail, a placement seat is installed on the linear motor, and the placement seat is fixedly connected with the frame. And a cleaning mechanism is arranged on the frame. A driving motor drives a first rotating rod to rotate, then a first spring drives a cleaning roller to rotate, an anti-static brush on the outer wall of the cleaning roller can sweep dust on the surface of a circuit board, meanwhile, the first rotating rod drives a second rotating rod, a first knocking block knocks the cleaning roller, and the brush vibrates and goes deep into gaps and small holes of the circuit board to take out the dust. And the dust suction machine is matched with the dust suction opening to suck and remove dust in time, the dust is prevented from flying to pollute the working environment, it is guaranteed that cleaning work is continuously and efficiently carried out, and secondary pollution to the circuit board is avoided.

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 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 display apparatus includes a substrate including a driver island portion, a wiring island portion, and a bridge portion. The driver island portion and the wiring island portion are spaced apart from each other in a first direction, and the bridge portion connects the driver island portion to the wiring island portion, a gate driving circuit disposed in the driver island portion, an electrostatic discharge prevention circuit disposed in the driver island portion, and a plurality of first input lines arranged in the wiring island portion and extending in a second direction crossing the first direction. The plurality of first input lines includes a start signal line, and the start signal line is electrically connected to the electrostatic discharge prevention circuit.

Provided is a device housing made of materials containing at least an electrically conductive material, an image reading device, and an electrostatic capacitance detection device that can achieve electrical connection with a relatively small space while preventing deformation of the device housing. The device housing includes a housing made of materials containing at least an electrically conductive material and including an electrically conductive surface in at least part of the surface of the housing, a ground conductor being present on a plane different from the plane including the electrically conductive surface, and a ground auxiliary conductor disposed over a level difference existing between the plane including the electrically conductive surface and the plane including the ground conductor. The ground auxiliary conductor is an electrically conductive sheet to connect the electrically conductive surface to the ground conductor electrically.

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.

Disclosed are an antistatic ground circuit board and a micro LED display including same. The disclosed display comprises: a substrate comprising a first surface disposed to be oriented toward a first direction, a second surface disposed to be oriented toward a second direction opposite to the first direction, and a side surface disposed to be oriented toward a third direction perpendicular to the first and second directions; a first circuit unit disposed on the first surface; a second circuit unit disposed on the second surface; a side circuit unit disposed on the side surface and electrically connected to the first circuit unit; a plurality of micro LED chips arranged on one surface of the first circuit unit oriented toward the first direction; and a ground circuit board disposed on the second surface so as to ground static electricity generated in one or more circuit units from among the first circuit unit, the second circuit unit, and the side circuit unit, wherein the ground circuit board is electrically connected to the side circuit unit, is disposed around the second circuit unit, and may ground the generated static electricity. Various other embodiments are also possible.

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 provides an elastic piece, an electric connection assembly and electronic equipment. The elastic piece is used for being arranged between a first structural part and a second structural part which are oppositely arranged in a first direction. The elastic arm of the elastic piece extends in the second direction, the first contact part of the elastic arm is used for being mutually extruded with the elastic connection part of the first structural piece in the third direction, and the first direction is perpendicular to the second direction and the third direction. The guide arm of the elastic piece is connected to the first side of the elastic arm, and when the first structural piece is assembled from the side, away from the elastic arm, of the guide arm to the side, close to the elastic arm, of the guide arm in the first direction, the guide arm can guide the elastic connection part of the first structural piece and the first contact part of the elastic arm to be mutually extruded. The elastic sheet provided by the invention can reduce the space occupied by the elastic sheet in the thickness direction of the electronic equipment on the premise of ensuring smooth assembly of the electronic equipment, and is beneficial to lightening and thinning of the electronic equipment.

An electronic device is disclosed. The electronic device may comprise: a housing comprising a metal portion, wherein the metal portion comprises a frame structure for forming a portion of the surface of the electronic device, and a plate structure extending into an inner space of the housing; a printed circuit board disposed on the plate structure; a camera module disposed on the plate structure, wherein the camera module comprises a connector coupled to the printed circuit board and the connector comprises a conductive pad electrically connected to a ground area of the camera module; a vapor chamber which is conductive and disposed between the plate structure and the printed circuit board and at least a portion of which faces the conductive pad of the connector; an electrical absorption member disposed between the vapor chamber and the conductive pad; an insulative adhesion member disposed between the vapor chamber and the plate structure; and a varistor for electrically connecting the vapor chamber and the metal portion. Various other embodiments identified from the specification are possible.