22results about How to "Improve electrostatic protection ability" patented technology

This application provides an electric motor, an electric propulsion device, and an aircraft. The electric motor includes: a stator having a cavity; a rotor rotatably connected to the stator via a shaft; and the rotor being insulated from the stator; a conductive component disposed within the cavity, one end of the conductive component being conductively connected to the shaft, and the other end extending to the outside of the electric motor. The electric motor of this application, by incorporating the conductive component, creates a complete low-impedance electrical path between the shaft and the conductive component, allowing current that might be input into the electric motor via the rotor hub to be output to the outside of the electric motor, thus improving the electrical protection performance of the electric motor.

This utility model relates to the field of optical lens technology, and more particularly to an anti-static camera module. The anti-static camera module includes a housing, a camera, a circuit board assembly, and contacts. The housing has a receiving cavity. At least a portion of the camera passes through the housing and is housed within the receiving cavity, with the camera bonded to the housing. The circuit board assembly is disposed within the receiving cavity, and an optical sensor is mounted on the circuit board assembly. The contacts are disposed within the receiving cavity, with one end connected to the housing and the other end resting on the outer wall of the camera; this allows electrostatic charge to pass sequentially through the camera and the contacts and be conducted to the outside by the housing. This prevents electrostatic charge from accumulating on the camera and being conducted to the optical sensor, thus avoiding damage to the optical sensor and improving the electrostatic protection capability of the anti-static camera module, enhancing its electrostatic shielding effect.

The utility model discloses a vehicle-mounted display module and a vehicle. The vehicle-mounted display module comprises a heat dissipation supporting plate; the display panel is located on the heat dissipation supporting plate; the driving structure is located on the side, away from the display panel, of the heat dissipation supporting plate, and the driving structure is electrically connected with the display panel through a flexible bending circuit; the driving structure comprises a printed circuit board, and a plurality of driving chips are arranged on the printed circuit board; the electrostatic protection layer is located on the side, away from the display panel, of the driving structure, and the orthographic projection of the electrostatic protection layer on the printed circuit board covers at least part of the driving chip. Thus, at least part of the driving chip is protected by arranging the electrostatic protection layer, the probability that the driving chip is damaged by static electricity is reduced, and due to the fact that the driving chip in the printed circuit board is a device more prone to being damaged by static electricity, the electrostatic protection effect of the vehicle-mounted display module can be improved to a great extent by arranging the electrostatic protection layer; therefore, the reliability of the vehicle-mounted display module is improved.

The embodiment of the invention provides an electrostatic protection structure and electronic equipment, and relates to the technical field of terminals, at least one plastic structural part in the electronic equipment is provided with a containing space, a sensitive structure and the electrostatic protection structure are both arranged in the containing space, and the electrostatic protection structure is connected with the sensitive structure and a grounding end; a gap is formed between the at least one plastic structural part and the sensitive structure, and the gap is used for enabling static electricity to enter the accommodating space; the electrostatic protection structure at least comprises an insulating substrate and a conducting layer, the insulating substrate is connected with the sensitive structure, the conducting layer is arranged on the side, away from the sensitive structure, of the insulating substrate, the conducting layer is further connected with the grounding end, and the conducting layer is used for receiving static electricity and making the static electricity not make contact with the sensitive structure. Therefore, static electricity entering the accommodating space is in direct contact with the electrostatic protection structure instead of being in contact with the sensitive structure, the sensitive structure can be protected from being damaged by the static electricity, and the anti-static effect of the electronic equipment is good.

The electrostatic protection structure, the silicon controlled rectifier and the semiconductor memory disclosed by the embodiments of the present disclosure comprise: a substrate; a transistor formed in the substrate, a first electrode of the transistor being connected to an electrostatic end, a second electrode of the transistor and a gate electrode of the transistor being connected to a charge discharge end; and a capacitor, a first electrode of the capacitor being connected to the substrate, and a second electrode of the capacitor being connected to the electrostatic end. The embodiments of the present disclosure can quickly turn on a parasitic BJT formed in the electrostatic protection structure, thereby discharging electrostatic discharge, playing a good electrostatic protection role, and avoiding damage to the device.

This application provides an electrostatic discharge (ESD) protection circuit and a semiconductor chip. The circuit includes: a first ESD protection module, a second ESD protection module, and a current limiting module. The first and second ESD protection modules each have at least one voltage divider and at least one conducting device. The input terminal of the first ESD protection module is connected to an input port, and its output terminal is connected to the first terminal of the current limiting module. The first terminal of the first ESD protection module is connected to a power supply voltage, and its second terminal is grounded. The input terminal of the second ESD protection module is connected to the second terminal of the current limiting module, and its output terminal is connected to the circuit to be protected. The first terminal of the second ESD protection module is connected to a power supply voltage, and its second terminal is grounded. The voltage divider is used to reduce the trigger voltage of the conducting device. The conducting device is used to conduct and discharge static electricity, thereby improving ESD protection performance.

The embodiment of the present application discloses a power device. The power device comprises a first control electrode, a second control electrode, a first electrode and a second electrode; wherein the first electrode and the second electrode have a semiconductor structure therebetween; and the second control electrode is used for switching on or off the state between the first electrode and the second electrode under the action of voltage on the first control electrode.

The invention provides electronic equipment, and relates to the technical field of electronic products. The electronic equipment comprises a screen, a first frame and an electrostatic discharge structure. The screen comprises a first screen part, the first screen part is provided with a first display surface, the first display surface comprises a first non-display area, and the first non-display area comprises a first area section; the first frame is located on the side facing the peripheral side face of the first screen part, the first frame comprises a first frame section, the first frame section is used for forming at least one antenna radiator, and the first area section is located between the first frame section and the first display area; the electrostatic discharge structure is located on the side facing the first area section, the electrostatic discharge structure is defined by a plurality of conductive parts, and the conductive parts are arranged at intervals in the extending direction of the first area section.

The invention discloses an electrostatic protection driving circuit and data transmission equipment. The circuit relates to the technical field of electrostatic protection, and comprises a first electrostatic protection branch circuit, the first end of the first electrostatic protection branch circuit is connected to the first output end of a driving circuit, and the second end of the first electrostatic protection branch circuit is connected to the second output end of the driving circuit; the first end of the electrostatic protection unit is connected with the first input end of the driving circuit, the second end of the electrostatic protection unit is connected with the second input end of the driving circuit, and the third end of the electrostatic protection unit is connected with the fourth end of the first electrostatic protection branch circuit; the fourth end of the electrostatic protection unit is connected with the fifth end of the first electrostatic protection branch; and a second electrostatic protection branch. According to the invention, the technical problem of poor stability of the driving circuit caused by low electrostatic protection capability of the driving circuit in the prior art is solved.

The present invention discloses a fingerprint sensor device. The fingerprint sensor device comprises: a first unit, the first unit comprises a plurality of switch tubes; a plurality of second units located on the first unit, the second units are used to provide induction signals; a plurality of third units are used to provide detection signals according to the induction signals; and a plurality of fourth units, the plurality of fourth units are respectively connected between the corresponding second units and the third units, and are used to provide a release path for electrostatic charges and a conduction path for the induction signals, wherein each fourth unit comprises at least one electrostatic protection element, and the parasitic diode of at least one of the plurality of switch tubes provides at least one of the electrostatic protection elements. The fingerprint sensor device uses the parasitic diode of the switch tube to form at least one of the electrostatic protection elements, which reduces the area occupied by the circuit, so that the plurality of fourth units can be respectively connected to the corresponding plurality of second units, thereby improving the electrostatic protection capability of the fingerprint sensor device.

The present invention provides an EMI filter with low clamping voltage type integrated electrostatic protection function, comprising an N-type semiconductor substrate, an NPN transistor Q1, an NPN transistor Q2 and a resistor R, wherein the NPN transistor Q1 is provided with a first P-type well region, the NPN transistor Q2 is provided with a second P-type well region, a grounded P+ heavily doped active region and an N+ heavily doped active region connected to an I / O port 1 are provided in the first P-type well region, the bottom of the N-type semiconductor substrate is grounded, a vertical forward ESD path is formed between the N+ heavily doped active region in the first P-type well region and the bottom of the N-type semiconductor substrate, a horizontal reverse ESD path is formed between the P+ heavily doped active region in the first P-type well region and the N+ heavily doped active region, and the second P-type well region has the same structure as the first P-type well region. The beneficial effects of the present invention are: it can simultaneously realize the dual functions of electrostatic protection and electromagnetic interference filtering.

The utility model provides an anti-static packaging box for an integrated circuit. The anti-static packaging box comprises a box body, a partition assembly and a sealing cover plate. The box body comprises a side plate and a bottom plate, the side plate is in a square frame shape, the bottom plate is fixedly connected to the bottom side of the side plate, the side plate comprises a polyvinyl chloride plate, a first tin foil piece and a first wear-resistant coating layer, the polyvinyl chloride plate is fixedly connected with the bottom plate, the first tin foil piece is fixedly connected to the inner side of the polyvinyl chloride plate, and the first wear-resistant coating layer is fixedly connected to the bottom plate. The first wear-resistant coating layer is arranged on the inner side of the first tin foil sheet; the separation assembly is fixedly connected to the inner side of the side plate, and the separation assembly is perpendicular to the bottom plate; according to the utility model, the interior of the box body is divided into a plurality of parts through the separation assemblies, the box body and the separation assemblies are both provided with the tin foil sheets, and the tin foil sheets block static electricity, so that external static electricity can be prevented from being introduced and accumulated on the integrated circuits, and static electricity damage caused by friction between the internal integrated circuits can be avoided; and the electrostatic protection effect is further improved.

Embodiments of the present application disclose a display module and a display device. A driving chip is configured to generate a screen driving signal according to a signal transmitted by a first pin. A non-display area of the screen includes a plurality of first bonding terminals. The first bonding terminals are not connected to or not connected with circuit structures in a display area of the screen when the screen works according to the screen driving signal. By connecting the first pin and the first bonding terminal, the electrostatic protection circuit connected to the first pin and the electrostatic protection circuit connected to the first bonding terminal jointly bear the invading electrostatic load, the risk of the first pin and the related lines connected to the first pin being damaged is reduced, the electrostatic protection capability of the display module is improved, and the display performance and the touch performance of the display module are ensured. In addition, the technical solution of the present application can connect the idle first bonding terminal in the display module with the first pin of the driving chip, improve the electrostatic protection capability of the display module, and reduce the waste of resources.

The present invention provides an electronic device using near field communication, which includes a coil element, a display module, an antenna element and a switch element. The display module includes a panel. The antenna element is used to transmit and receive near field communication signals. The coil element, the display module and the antenna element are stacked, and the coil element and the antenna element at least partially overlap. The switch element is connected to the coil element. The switch element is used to switch the coil element to an open loop or a closed loop. The electronic device of the present invention can set the antenna element of near field communication under the panel, and through the design of the switch element, the coil element that provides electrostatic protection can switch the loop according to the need of near field signal reception and transmission, thereby avoiding the energy absorption of the coil element for near field signal transmission, and can also provide a better electrostatic protection effect when near field signal transmission is not needed.

The invention provides a semiconductor device layout structure which comprises a semiconductor substrate, a gate pattern, a drain end lightly doped region and a source end lightly doped region, the gate pattern is located on the semiconductor substrate, and the drain end lightly doped region and the source end lightly doped region are located in the semiconductor substrate on the two sides of the gate pattern respectively. Wherein the drain end lightly-doped region comprises a first drain end lightly-doped region and a plurality of second drain end lightly-doped regions, a gap is formed between the first drain end lightly-doped region and the gate pattern, the plurality of second drain end lightly-doped regions are arranged at intervals along the first direction, and the plurality of second drain end lightly-doped regions are connected with one side, close to the gate pattern, of the first drain end lightly-doped region; and the second drain end lightly doped region extends below the edge of the gate pattern. The purpose of improving the electrostatic protection capability of the semiconductor device can be achieved, the preparation cost can be saved, and the preparation efficiency can be improved.

The application discloses an array substrate, a display panel and a display device. The array substrate has a display area and a non-display area arranged adjacently, and comprises a substrate, a semiconductor layer located on the substrate, the semiconductor layer comprising a plurality of semiconductor portions arranged in an array in a first direction and a second direction, and an electrostatic protection portion having opposite connecting ends and free ends, the connecting ends being connected to at least one semiconductor portion, and the free ends extending from the connecting ends to the non-display area. The electrostatic protection portion can effectively improve the electrostatic protection performance of the array substrate.

The application discloses a display panel and a display device. The display panel has a first area and a second area arranged around the first area, and comprises a substrate, a first functional layer arranged on one side of the substrate and comprising a first functional structure in the first area and a second functional structure in the second area, an active layer arranged on a side of the first functional layer away from the substrate, and a first metal layer arranged on a side of the active layer away from the substrate, the first metal layer comprising a first metal structure in the first area and a second metal structure in the second area. The first functional structure is arranged in a spaced manner with the first metal structure on the substrate, and the second functional structure is at least partially overlapped with the second metal structure on the substrate.

The invention provides a display substrate, a manufacturing method of the display substrate and a display mother board, the display substrate comprises a middle area and an edge area located on the periphery of the middle area, and the middle area comprises a plurality of panel units distributed in an array mode; the display substrate comprises a substrate body, a first electrode and a second electrode, the panel circuit is located on the substrate base plate, and the panel circuit comprises at least one of a touch control circuit and a display circuit; the panel circuit is electrically connected to the test circuit, and the orthographic projection of the panel circuit and the orthographic projection of the test circuit on the substrate are both located in the middle area, so that gaps are reserved between the panel circuit and the edge of the substrate as well as between the test circuit and the edge of the substrate. According to the display substrate, the manufacturing method of the display substrate and the display mother board, electrostatic damage can be reduced, and the electrostatic protection effect can be improved.

The invention discloses an electrostatic protection device and a forming method thereof, and an integrated circuit chip and a forming method thereof. The forming method of the electrostatic protection device comprises the following steps: providing a substrate; forming a conductive contact structure on the substrate, wherein the step of forming the conductive contact structure comprises: forming an ion implantation region; forming a diffusion layer on the ion implantation region; forming a plurality of contact holes in the diffusion layer; forming a conductive substance in the contact hole, wherein the conductive substance is in conductive contact with the diffusion layer; and forming one or more grooves in the ion implantation region to improve the electrostatic protection performance. Through the one or more grooves, the contact area between the diffusion layer and the conductive substance can be increased, the contact resistance between the conductive substance and the diffusion layer is reduced, the electrostatic protection performance is further improved, and the device area is not additionally increased.

The utility model provides a connector and electronic equipment, the connector comprises a shell and a main body arranged in the shell, the main body comprises a plurality of conductive terminals and a plurality of pins, the connector also comprises a plurality of pairs of tip structures, each pair of tip structures comprises a first tip and a second tip, the first tip is arranged on the pin, and the second tip is arranged on the pin. The second tip is arranged on the shell and located in the shell; wherein the first tip and the second tip are oppositely arranged, and a gap is formed between the first tip and the second tip. According to the connector and the electronic equipment, static electricity can be directly led to the ground, the static electricity is prevented from flowing into the electronic equipment to influence related circuits, and the electrostatic protection effect is improved; discharge is formed after air ionization, the size of static electricity is not limited, and the static electricity resistance is high; compared with an existing electrostatic protection method, the electrostatic protection method has the advantages that the efficiency is improved, and the labor cost is saved.

The utility model relates to a twist screen module technical field, and disclose a kind of magnetoelectric waterproof twist screen module, including rotating component, display support component, signal component, pressing guide component and waterproof component:the rotating component includes outer ring and luminous rotating seat, the outer ring is formed integral rotating piece by the luminous rotating seat buckle with inside reverse buckle, the luminous rotating seat is equipped with the elastic member for adjusting the feeling of rotation inside;The signal component includes lamp plate and magnetic ring, the luminous rotating seat is equipped with the inner groove for placing magnetic ring.(1), waterproof performance is greatly improved: through screen support and display screen combination part adopt hot melt adhesive sealing, lamp plate lamp pearl corresponding screen support bottom is equipped with glue groove protection, main control board is installed in the bottom of base special glue cavity and so on multiple waterproof structure design, IPX7 above waterproof grade is realized, can satisfy the requirement of water soaking experiment, effectively solve the problem of traditional with rotation press function module waterproof performance deficiency.