206results about How to "Improve electrostatic protection ability" patented technology

A touch panel capable of assembling to a casing assembly having a conductive protrusion is provided. The touch panel includes a substrate, a decoration pattern layer, a touch sensing device, a reflective protecting electrode, an electrostatic discharge protecting device, a plurality of signal connecting lines, an insulating layer and a protection layer. The decoration pattern layer is located in a periphery region of the substrate and overlapped with the reflective protecting electrode. The electrostatic discharge protecting device is connected to the touch sensing device and the reflective protecting electrode to transmit electrostatic charges to the reflective protecting electrode. The signal connecting lines are overlapped with the decoration pattern layer and electrically connected to the touch sensing device. The protection layer has an opening to expose a portion of the reflective protecting electrode such that the reflective protecting electrode is electrically connected to the conductive protrusion through the opening.

A touch panel having an electrostatic protection structure includes a transparent substrate, multiple sensing electrodes, a decoration layer and the electrostatic protection structure. The transparent substrate has an active region and a decoration region surrounding the active region. The sensing electrodes are formed on the active region. The decoration layer is disposed on the decoration region. The electrostatic structure includes a conductive ring. The conductive ring is disposed in surrounding arrangement corresponding to the decoration region and is located between the decoration layer and the transparent substrate.

The invention discloses an array substrate and a display panel. The array substrate comprises a transparent substrate, a pixel structure, an anti-static switch tube, a first grounding wire and a second grounding wire, wherein the transparent substrate comprises a display area and a frame area; the pixel structure and the anti-static switch tube are arranged on a same side of the transparent substrate; the pixel structure comprises a pixel thin film transistor; the pixel thin film transistor is positioned in the display area; the anti-static switch tube is positioned in the frame area; the first grounding wire is positioned on one side opposite to the transparent substrate, of the anti-static switch tube; the second grounding wire is positioned between the anti-static switch tube and the transparent substrate; the projections of the first grounding wire and the second grounding wire on the transparent substrate are both positioned on the frame area; the first grounding wire is connected with the second grounding wire through the anti-static switch tube. The array substrate is relatively good in anti-static protection effect.

The present invention discloses an electrostatic protection method with detection control circuit and circuit which belongs to electrostatic protection field, and the method comprises the following steps: detect input voltage on input/output terminal of a chip internal circuit through a detection circuit, when input voltage smaller than trigger voltage set by the detection circuit, it is judged to be working voltage, and working current corresponding to the working voltage flows into the chip internal circuit through input/out terminal of the chip internal circuit directly, and the trigger voltage is smaller than minimum breakdown voltage of the chip internal circuit; when input voltage on input/output terminal of a chip internal circuit is detected bigger than or equal to the trigger voltage, it is judged to be electrostatic discharge voltage, and the detection circuit controls electrostatic discharge current corresponding to the electrostatic discharge voltage bleed through a bleeder circuit, thereby the input voltage is clamped in safe voltage range and plays the role of internal circuit protection. The present invention realizes clamp or normal work through detecting input voltage and control bleed.

The invention discloses a capacitance type touch display panel comprising a display panel, a touch sensing unit and a plurality of floating grid static protective elements, wherein the display panel comprises a sensing area; the touch sensing unit is arranged in the sensing area of the display panel and comprises a plurality of first sensing serials and a plurality of second sensing serials; the plurality of first sensing serials are arranged along a first direction and each first sensing serial comprises a plurality of first sensing pads which are mutually and electrically connected; the plurality of second sensing serials are arranged along a second direction and each second sensing serial comprises a plurality of second sensing pads which are mutually and electrically connected; the plurality of floating grid static protective elements are arranged in the sensing area of the display panel; and each floating grid static protective element is arranged among two first sensing pads which are adjacent but not electrically connected and two second sensing pads which are adjacent but not electrically connected. The capacitance type touch device is provided with the floating grid static protective elements in the sensing area, thereby effectively improving the static protecting capability of the capacitance type touch device.

The invention discloses an array substrate. The array substrate comprises a display area and a GOA (gate on array) circuit area on the outer periphery of the display area. The edge of the array substrate is provided with a static shock prevention protective area around the display area and the GOA circuit area. A first line and at least one second line are arranged in the protective area; the first line is positioned on one side close to the display area and the GOA circuit area and connected with a ground terminal; the second line is positioned on one side close to the edge of the array substrate and is in a suspended state, and the second line is connected with the first line through a capacitor. Since the grounded first line and the at least one suspended second line are arranged at the edge of the array substrate and connected through the capacitor, when reaching the array substrate, static shock first passes through the at least one second line on the outer side and is buffered through the capacitor to finally act on the first line on the inner side, damage risks of the first line can be reduced beneficially, and static protection performance of the array substrate is improved.

The invention provides a solid state drive (SSD) device including a printed-circuit board assembly (PCBA), a connector mounted on the circuit board, an open-frame support-type housing including first and second parallel elongated brackets extending along opposing peripheral edges of said circuit board, each bracket including a first connecting structure for securing the circuit board to the housing, and a second connecting structure for connecting the housing to an internal rack frame of a host system. The open-frame support type housing does not include a top cover and a bottom cover, whereby both of said opposing first and second surfaces are exposed by first and second openings. The housing includes optional end rails that form a box-like frame. The elongated brackets are formed using die-cast metal, stamped metal, or molded plastic with copper posts. Optional clamp-type brackets clamp along side edges of the PCBA.

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and aims to prevent static electricity from entering the interior of the display panel from a high light-permeable area, and improve the electrostatic protection capacity. The display panel comprises the high light-permeable area, a frame area surrounding the high light-permeable area and a display area surrounding the frame area, wherein at least two electrostatic protection structures are arranged in the frame area, the electrostatic protection structures are distributedaround the high light-permeable area, and the electrostatic protection structures are electrically connected with an electrostatic discharge wire. The display panel is used for implementation of imagedisplay.

The invention discloses a liquid crystal display device. The liquid crystal display device includes a driving chip, a backlight structure and a metal support part; the backlight structure includes a flexible printed circuit board, the flexible printed circuit board includes a luminous zone, and a plurality of light emitting diodes are arranged in the luminous zone; the flexible printed circuit board includes a first protruding end a second protruding end, the first protruding end includes at least one port for being electrically connected with the driving chip, and the second protruding end includes a conductive zone; a grounding wire surrounding the luminous zone is arranged on the flexible printed circuit board, the grounding wire is electrically connected with the conductive zone, and the conductive zone is electrically connected with the metal support part. According to the liquid crystal display device, static electricity around the backlight structure can be conducted on the metal support part of the liquid crystal display device, the risk is reduced that the light emitting diodes are broken down due to the static electricity accumulated on the flexible printed circuit board, and a good static electricity prevention effect can be achieved.

The invention discloses a shifting register, a gate driving circuit, a display panel and a display device. The shifting register comprises an input module, a reset module, a pull-up module, a pull-down module and an output control module, and further comprises an input protection module. According to the shifting register, the input module, the reset module, the pull-up module, the pull-down module and the output control module can be controlled by respective control terminals to output scanning signals and achieve the gate driving effect; as the input protection module is additionally arranged, a signal input end is connected with a second reference signal end when the signal input end generates static electricity, the static electricity is directly discharged through the second reference signal end, it is prevented that the shifting register is damaged when the static electricity is led in, and the static-electricity protection capacity of the shifting register is improved.

The invention provides an array substrate, a display panel and a display device. The array substrate comprises a first conductive pattern and a second conductive pattern which form a GND (Ground) protection circuit, wherein the first conductive pattern comprises a plurality of first conductive line segments which are arranged at intervals; the adjacent first conductive line segments are connected through the second conductive pattern; insulating layers are spaced between the first conductive line segments and the second conductive pattern; and the first conductive line segments and the second conductive pattern are connected through penetrating through via holes of the insulating layers. Meanwhile, the invention provides the display panel, comprising the array substrate provided by any one embodiment of the invention. Furthermore, the invention further provides the display device comprising the array substrate provided by any one embodiment of the invention.

The invention discloses a radio frequency device capable of electro static precaution, which comprises an antenna, an inductor, a capacitor and a radio frequency circuit. The radio frequency device utilizes the antenna to receive radio frequency signals, when the radio frequency signals are sent to the radio frequency device, electro static signals can invade the radio frequency device by means of the antenna, the capacitor can transmit the radio frequency and insulate the electro static signals, and the inductor can transmit the electro static signals and insulate the radio frequency device. Therefore, the electro static signals can be transmitted to an earth terminal by the inductor in electro static events. Further, the impedance value of the capacitor is kept in a first range, the impedance value of the inductor is kept in a second range, and then the combined impedance of the capacitor and the inductor can match with the circuit, thereby achieving the purpose of insulating electro static signals under specific voltage.

The invention relates to a power clamping static protection circuit, which comprises a power weld pad, a ground weld pad and an input/output unit; the power weld pad is connected with a power bus, andthe ground weld pad is connected with a ground bus; the input/output unit comprises a first resistor, a capacitor, a first inverter, a PMOS triode, a NMOS triode, and an input/output weld pad; the power clamping static protection circuit also comprises a positive buffer and a second inverter used for controlling the PMOS triode and the NMOS triode to discharge static. The power clamping static protection circuit realizes partial static discharge route from the power to the ground by using the existing static protection apparatus inputted and outputted to the ground and the static protection apparatus inputted and outputted to the power of the input and output unit in the premise of not increasing the areas of the input and output unit, thereby releasing the areas of a power/ground unit for arranging a decoupling capacitor to achieve the effect of saving area.

Touch panel having electrostatic protection is provided. The touch panel includes a substrate, a plurality of sensing electrodes, a plurality of conductive wires and an electrostatic protection line. The substrate has a touch sensitive area and a periphery area surrounding the touch sensitive area. The inner part of the periphery area is a first layout area. The outer part of the periphery area is a second layout area. The sensing electrodes are formed in the touch sensitive area. The conductive wires are disposed in the first layout area. The electrostatic protection line is disposed in the second layout area and adjacent to the conductive wires. The width of the electrostatic protection line is greater than that of the conductive wires. The distance separating the outside of the electrostatic protection line from the border of the substrate is smaller than 48.12 mm and greater than or equal to 0.3 mm.

The invention discloses a method for manufacturing a transient voltage suppressor by the aid of ultra-deep trench structures. The method includes steps of A, growing a heavily doped N-type epitaxial layer on a heavily doped P-type silicon substrate; B, growing a nearly intrinsic lightly doped N-type epitaxial layer on the heavily doped N-type epitaxial layer; C, forming P-type doped region windows by a photoresist mask and implanting P-type doping ions; D, etching a series of ultra-deep isolation trenches, and enabling the ultra-deep isolation trenches to penetrate the two N-type epitaxial layers and reach the P-type silicon substrate; E, filling the ultra-deep isolation trenches formed in the step D with a silicon dioxide film; F, etching a series of closely arranged ultra-deep TVS (transient voltage suppressor) trenches and enabling the ultra-deep TVS trenches to penetrate the two N-type epitaxial layers and reach the P-type silicon substrate; G, filling the ultra-deep TVS trenches with a doped N-type polycrystalline silicon thin film; H, growing inter-layer dielectrics; I, etching contacts; J, performing metallization.

The invention discLoses a dispLay paneL and a dispLay device, and beLongs to the technicaL fieLd of dispLay. The dispLay paneL comprises a hoLLowed-out part, a first non-dispLay area, a dispLay area and a second non-dispLay area; the first non-dispLay area is arranged around the hoLLowed-out part, the dispLay area surrounds the first non-dispLay area, and the second non-dispLay area surrounds thedispLay area; the first non-dispLay area comprises a conductive ring, and the conductive ring is arranged around the hoLLowed-out part; the dispLay area comprises a thin fiLm transistor Layer and a common eLectrode Layer; the thin fiLm transistor Layer comprises a pLuraLity of thin fiLm transistors; each thin fiLm transistor comprises a semiconductor part, a grid eLectrode, a source eLectrode anda drain eLectrode; the semiconductor part and the conductive ring are Located on the same fiLm Layer; the common eLectrode Layer extends to the first non-dispLay region and is eLectricaLLy connected with the conductive ring; the common eLectrode Layer is eLectricaLLy connected with a common eLectrode wire. Compared with the prior art, the dispLay paneL has good eLectrostatic protection performance, the dispLay effect of the dispLay paneL cannot be infLuenced, and a fuLL-screen design is easier to reaLize.

The embodiment of the invention discloses an array substrate, a display panel and a display device. The array substrate comprises a display area and a peripheral area surrounding the display area, wherein at least two grounding wires are arranged in the peripheral area on at least one side of the display area in the direction from the display area to the peripheral area; and in the at least two grounding wires, any two adjacent grounding wires are connected by a buffer connecting wire, and the surface resistance of the buffer connecting wire is greater than that of the grounding wires. According to the embodiment of the invention, the influence of static electricity on internal wiring and elements of the display panel can be effectively reduced, the electrostatic protection capability is improved, the damage of static electricity to the grounding wires can be prevented, and the electrostatic protection capability is ensured not to fail.

The invention discloses a low-power-consumption bidirectional SCR device for ESD protection, and an electrostatic protection circuit. The device comprises: a first SCR device provided with an anode, afirst electrode, a gate, and a cathode; and a second SCR device provided with an anode, a second electrode, a gate and a cathode, wherein the anode of the first SCR device is electrically connected with the cathode of the second SCR device, the cathode of the first SCR device is electrically connected with the anode of the second SCR device, the first electrode of the first SCR device is electrically connected with the gate of the second SCR device, the gate of the first SCR device is electrically connected with the second electrode of the second SCR device, the first electrode and the secondelectrode are the same in polarity, and the first electrode or the second electrode is opposite to the gate in polarity. The low-power-consumption bidirectional SCR device for ESD protection is smallin leakage current and low in static power consumption.

The invention discloses an SCR electrostatic protection device and the manufacturing method thereof. The structure of the device comprises a P-type injection region (2) in a P well (4), an N-type injection region (1) in the P well (4), a P-type injection region (2) in an N well (3) and an N-type injection well (1) in the N well (3), and the P well is added with the P-type injection region (2), and a capacitance is arranged between the input terminal and the added P-type injection region. by adding the P-type injection region and the capacitance in the P well of the traditional SCR structure, the invention can reduce the turn-on voltage of the silicon controlled rectifier effectively without affecting protection ability, and the SCR structure is earlier and easier to be triggered, thus achieving better electrostatic protection effect.

The invention provides an NMOS drive output band-gap reference circuit. The NMOS drive output band-gap reference circuit comprises a starting circuit module for providing a bias voltage, an operational amplifier used for fixing node voltages at the two feedback input ends of a band-gap reference module and the band-gap reference module used for generating a reference voltage with the zero-temperature coefficient; the starting circuit module provides the bias voltage for the operational amplifier and the band-gap reference module. According to the NMOS drive output band-gap reference circuit, an NMOS serves as output of the band-gap reference voltage, and the band-gap reference drive capacity is improved; a PMOS is used for starting the current of the circuit in a mirroring mode, hundreds of nA of current flows through a band-gap reference zero-temperature coefficient generation circuit, the band-gap reference starting capacity is strengthened, and the circuit reliability is improved. Unit resistors are connected in parallel or in series to be equivalent to a resistor R0, so that the resistance matching performance is improved, and the band-gap reference accuracy is optimized; the resistors are connected between an NMOS drive pipe and a power source in series, so that the electrostatic protection capacity of the circuit is improved.