354results 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.

The invention discloses a mother substrate and a display panel using the mother substrate. The mother substrate is used for the display panel. A mother substrate for a display panel includes: a conductive ring disposed in a non-display area outside a display area and surrounding each of the display areas; and one or more dummy pixel driving circuits, the one or more dummy pixel driving circuits being disposed in a non-display area outside the display area. An electrostatic discharge (ESD) prevention structure inside the dummy pixel driving circuit may prevent defects of the display panel due to ESD occurring in a manufacturing process of the display panel.

The embodiment of the invention discloses electronic equipment, a composite board and a preparation method thereof, and relates to the field of board structures. The conductive performance of the composite board is improved. According to the specific scheme, the composite board comprises a composite layer, a carbon fiber yarn layer, a conductive layer and a floor. The composite layer is provided with a groove structure; the carbon fiber yarn layer is embedded in the composite layer, and part of the carbon fiber yarn layer is located in the groove structure. The conductive layer and the composite layer are stacked, and the conductive layer covers at least part of the groove structure and is electrically connected with the carbon fiber yarn layer. One side of the conductive layer away from the composite layer is electrically connected with the floor. And the conductive layer is electrically conducted with the carbon fiber yarn layer. And the carbon fiber yarn layer embedded in the composite layer is electrically connected with the floor through the arrangement of the groove structure and the conductive layer. Therefore, charges in the whole carbon fiber yarn layer can flow to the floor through the conductive layer. And the whole carbon fiber yarn layer has an electromagnetic compatibility protection effect. When the composite board is applied to the electronic equipment, the electromagnetic compatibility protection performance of the electronic equipment can be improved.

A mother substrate for a display panel and a display panel using the same are disclosed. A mother substrate for a display panel includes a conductive ring disposed in a non-display area outside the display area and surrounding each of the display areas, and one or more dummy pixel driving circuits disposed in a non-display area outside the display area. An electrostatic discharge (ESD) prevention structure inside the dummy pixel driving circuit can prevent defects of display panels due to ESD occurring in the manufacturing process of the display panel.

An electronic device includes a housing, a feed network, and a circuit board. The shell is provided with an accommodating cavity, and a feed column and a grounding column are integrally formed on the accommodating cavity. And the feed network is connected with the feed column and is used for feeding the accommodating cavity. The grounding end of the circuit board is connected with the grounding column and used for releasing static electricity on the containing cavity. In the application, at least part of the area of the accommodating cavity on the electronic equipment is multiplexed as the radiator, so that the occupation of the space in the electronic equipment can be reduced to a great extent, and meanwhile, good antenna efficiency can be obtained. Wherein the feed column and the grounding column can be integrally formed in the processing and manufacturing process of the accommodating cavity, so that the continuity of the structure can be ensured, and the situation that connection gaps are generated among the accommodating cavity, the feed column and the grounding column to influence the distribution of antenna resonance is avoided. In addition, the grounding column on the accommodating cavity is connected with the grounding end on the circuit board, so that static electricity on the accommodating cavity can be timely conducted to the grounding end of the circuit board through the grounding column to be released.

According to the display panel, one end of a connecting wire is electrically connected with a shifting register, the other end of the connecting wire is electrically connected with a connecting terminal, and an electrostatic discharge wire is electrically connected with a constant-voltage signal wire; the film layer where the electrostatic discharge wires are located is located below the film layer where the connecting wires are located. In a top view of the display panel, at least part of the electrostatic discharge wire is overlapped with part of the connecting wire; on one hand, the electrostatic discharge wires can form a barrier electric field on the back side of the display panel to prevent static electricity from entering from the back side of the display panel, and on the other hand, the electrostatic discharge wires can guide away the static electricity introduced from the back side of the display panel, so that the static electricity is prevented from exploding and damaging the connecting wires, and the display performance of the display panel is prevented from being reduced.

The embodiment of the invention discloses a structural member and electronic equipment, relates to the technical field of electronic equipment, and is used for solving the technical problem that a carbon fiber composite material is easy to generate ESD (Electro-Static Discharge). The structural member comprises a structural member body and a conductive part. The structural part body comprises an insulating part and carbon fiber filaments, the carbon fiber filaments are embedded in the insulating part, and a part of the carbon fiber filaments are exposed out of the insulating part. And at least part of the conductive part is contacted and electrically connected with the exposed carbon fibers. Due to the fact that the carbon fiber filaments have good conductivity, the conductive part arranged on the structural part body can be communicated with the exposed carbon fiber filaments to form a conductive path, and the carbon fiber filaments in the structural part can serve as a discharging path of electrostatic current. Meanwhile, the conductive part in the structural member can also be used as a point location for electric connection. When a large current passes through the structural member, an electrostatic current can be discharged outwards through the carbon fiber filaments and the conductive part, so that the problem of ESD is reduced.

A mobile phone protective case with static electricity elimination device includes a case and a static electricity elimination device. The case includes a bottom wall and a side wall. The side wall protrudes from a periphery of the bottom wall towards one side of the bottom wall. The side wall and the bottom wall enclose an accommodation cavity for accommodating a mobile phone. The static electricity elimination device is installed in the case and includes first and second conductive elements arranged spaced apart from each other, and a resistor and an LED lamp electrically connected between the first and second conductive elements, wherein the first and second conductive elements are at least partially exposed from the case. A receiving groove is defined in an inner side the case, and the resistor and the LED lamp are received in the receiving groove.

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 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 application provides a display device comprising: a display panel including a display region and a non-display region, wherein the non-display region includes first and second fan-out regions and a bending region; an optical functional film layer formed in the display region and the first fan-out region; an adhesive layer formed on the optical functional film layer; and a protective layer located in the bending region and with a gap with the optical functional film layer, and an end of the adhesive layer extends beyond the optical functional film layer and is connected to the protective layer, and the adhesive layer covers the optical functional film layer, the gap, and part of the protective layer.

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.

The invention discloses a display panel and a display device, the display panel comprises a display area and a frame area located on the periphery of the display area, and the display panel further comprises a substrate; the first functional layer is arranged on one side of the substrate and comprises a first grounding piece located in the frame area; the protection layer is arranged on the side, away from the substrate, of the first functional layer and makes contact with the first functional layer, the protection layer comprises a first target area, and the thickness of the protection layer located in the first target area is smaller than that of the protection layer in other areas; and the orthographic projection of the protection layer in the first target area on the substrate is at least partially overlapped with the orthographic projection of the first grounding piece on the substrate. According to the display panel provided by the invention, the yield and the display effect of the display panel can be improved.

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 winding-type display device includes in a storage box a first roller winding a display, a correction unit correcting light luminance of the display, and a second roller winding the display wound by the first roller. Such a feature makes it possible to perform self-correction on a light-emitting device any time without giving a user an odd feeling.

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 discloses an anti-sticking and anti-falling conductive foam for computer casings, comprising a release paper, an upper protective film, a lower protective film, a support frame and a release film arranged in sequence from top to bottom. The upper protective film and the lower protective film have the same structure, the same number and one-to-one correspondence in position. All the upper protective films and the lower protective films are placed parallel to the release paper. The side of the lower protective film away from the upper protective film is provided with conductive foam at intervals. The support frame is provided with a hollow, and the conductive foam is located in the hollow and the adhesive surface of the conductive foam facing the release film does not contact the release film. In the present invention, by providing a support frame with a thickness greater than that of the conductive foam, the problem of easy sticking of the conductive foam in the prior art is solved. By bonding the support frame and the polyester film to each other and then connecting the lower protective film, the problem of easy falling of the conductive foam in the prior art is solved. The structure is simple and reasonable. The conductive foam obtained by the present invention has the advantages of conductivity, high adhesion, easy peeling, anti-static, anti-sticking, and anti-falling, and is suitable for industrial promotion and use.

One embodiment of the present invention provides a display device comprising: a substrate including a driver island part and a wiring island part spaced apart from each other along a first direction and a bridge part connecting the driver island part and wiring island part; a gate driver circuit disposed on the driver island part; an electrostatic discharge protection circuit disposed on the driver island part; and a plurality of first input lines disposed on the wiring island part and extending along a second direction intersecting the first direction, wherein the first input lines include initiation signal wires, and the initiation signal wires are electrically connected to the electrostatic discharge protection circuit.

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 panel in which a resistance structure is provided on a test pattern to prevent a circuit of the display panel from being damaged by static electricity introduced into the test pattern, and a display apparatus having the same are provided. The display panel includes: a substrate; a plurality of pixel circuits provided on the substrate and configured to drive a plurality of inorganic light emitting devices; a test line provided on the substrate and extending from an edge of the substrate; an insulating layer provided on the test line; and a resistance structure provided on the test line, the resistance structure including: at least two vertical interconnect accesses (vias) passing through the insulating layer, and a resistance layer provided on the insulating layer and extending between the at least two vias, wherein the at least two vias connect the test line and the resistance layer to each other, and the test line is discontinuous at an area between the at least two vias, and wherein the resistance layer is configured to receive, through one of the at least two vias, a current applied to the test line.

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.

A display device has an anti-static layer extending from a cover member along a side surface of a display panel to an inner surface of a hole of a cushion plate. Thus, a contact area between the anti-static layer and the display panel may be increased, thereby reducing a brighter phenomenon and a greenish phenomenon at a distal end of the display panel.

Embodiments of the present invention provide a method, anti-static bag, and kit for transporting an electronic component in the anti-static bag. Along with the electronic component, a desiccant and a temperature indicator are added to the anti-static bag. The anti-static bag is then vacuum sealed to reduce the air and moisture in the anti-static bag. The vacuum sealed bag, desiccant, and temperature indicator, insure that the formation of condensation on the electronic component will be minimized, which will potentially prolong the life of the electronic component.

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.