305results about "Earth/grounding circuits" patented technology

Provided are an electrical conductor and a production method therefor; the electrical conductor comprising a transparent substrate and an electro-conductive pattern provided on at least one surface of the transparent substrate, and the electroconductive pattern being of a type such that, for at least 30% of the entire surface area of the transparent substrate, when a straight line is drawn intersecting the electroconductive pattern, the ratio of the standard deviation to the mean value of the distances between adjacent points of intersection between the straight line and the electroconductive pattern (the distance distribution ratio) is at least 2%. Also, provided are an electrical conductor and a production method therefor; the electrical conductor comprising a transparent substrate and an electroconductive pattern provided on at least one surface of the transparent substrate, and the electroconductive pattern being of a type such that at least 30% of the entire surface area of the transparent substrate is accounted for by continuously distributed closed motifs, and the ratio of the standard deviation to the mean value of the surface areas of the closed motifs (the surface area distribution ratio) is at least 2%.

An electronic device is provided. The electronic device includes a housing including a radiating conductor forming a portion of a side wall thereof, an electronic component disposed adjacent to the radiating conductor, a circuit board including an integrated circuit (IC) chip, and a shielding member attached to the circuit board and surrounding the IC chip.

An electronic device includes a substrate, a structure arranged near the substrate and includes at least one electronic component, a conductive structure provided in the electronic device, and a conductor arranged in the structure, grounding the conductive structure to a ground of the substrate. Electronic components spaced within the electronic device are electrically connected to each other using the existing structure to be installed, so that a mounting space for preparing an electrical connector is prevented from being wasted, thereby making the electronic device slim. The embodiments according to the present disclosure can reduce the number of assembling processes and manufacturing costs.

An interface card securing device including a grounding element is disclosed. The grounding element may reduce the interference during high speed signal transmission of the interface card. The grounding element is integrally formed with the securing device as single unit using a plastic injection molding process. Thus, the assembly of the securing device is simplified, and the fabrication cost of the interface card securing device is significantly reduced, and the signal transmission quality is significantly promoted.

An electronic component includes a main body, an inner conductor inside the main body, one or more outer electrodes on a bottom surface of the main body and not provided on four side surfaces of the main body, and a shield electrode covering the four side surfaces of the main body and having a cylindrical or substantially cylindrical shape, the shield electrode not being physically connected to any of the one or more outer electrodes at a surface of the main body and being connected to the inner conductor at a surface of the main body.

A plasma display apparatus including: a plasma display panel; a non-conductive chassis disposed on a rear portion of the plasma display panel to support the plasma display panel; a circuit unit disposed on a rear portion of the chassis to drive the plasma display panel; and a conductive member disposed between the plasma display panel and the chassis, having at least a part that is slit and protruded toward the chassis. In addition, the circuit unit includes a grounding portion having a grounding voltage and the grounding portion is electrically connected to the protruding portion of the conductive member.

In a memory module, reference potential connecting patterns are disposed on high frequency signal lines and/or on the extension lines extending from the terminal ends of the signal lines as well as a shield cover for covering semiconductor memory chips is disposed on the substrate, and the reference potential connecting patterns are connected to the shield cover through metal cover contact parts.

A power and signal distribution system is adaptable to existing building areas and provides a shielded, low resistance and low inductance grounding structure. The distribution system comprises two or more electrically conductive enclosed channels; one for lower current signals and power distribution and one for high current signals and power distribution. The enclosed channels are electrically coupled and are configured as crosses or spokes with branches extending substantially over the length and width of the building area. The earth ground for the building has a direct connection to one of the enclosures. The ground of each device in the building area is directly connected to the enclosed channels by a low impedance connection. Cables are routed through the enclosures and extended to the devices. The walls of the enclosed channels have a thickness that is greater than the skin depth of a predetermined low frequency.

The invention provides a liquid crystal display panel and device, which belongs to the technical field of liquid crystal display and can solve the problem that the traditional liquid crystal display panel has a starting white line. The liquid crystal display panel disclosed by the invention is provided with a display zone and an access zone and comprises an array base plate and a colorful base plate which are arranged oppositely, wherein the array base plate is provided with a film transistor array limited by a gate electrode line and a source electrode line in the display zone; and the access zone is provided with a gate electrode lead connected with the gate electrode line. The liquid crystal display panel also comprises a shielding layer which is positioned in the access zone, is earthed, conducted and is used for shielding a sensing electromagnetic field caused by the voltage variation of the gate electrode lead. The liquid crystal display device comprises the liquid crystal display panel. The liquid crystal display and device can be used for a horizontal electric field liquid crystal display panel, such as a high-gradient switching-type liquid crystal display panel and a fringing field switching-type liquid crystal display panel.

A housing of a controller serving as electronic equipment is made up of an upper case and a lower case that are formed from a resin and fitted together. An accommodation recess is formed in a bottom surface of the lower case, and a metal plate is fixed to the accommodate recess. Conduction pillars that are formed from a conductive material and that protrude into the housing by penetrating through the lower case are formed on the metal plate. A lower board is electrically, physically connected to the conduction pillars. The upper board is electrically, physically connected to the lower board fixed to the conduction pillars by way of a connecting fitting formed from a conductive material.

The invention provides a device and method for improving the grounding reliability of a display screen. The device comprises a circuit board, conductive foam, a conductive fabric and a display screen,wherein the conductive foam is stuck on a ground point of the circuit board by virtue of first conductive adhesive; the conductive fabric is stuck on a backboard of the display screen by virtue of second conductive adhesive; and the conductive fabric is pasted on the conductive foam. The device provided by the invention has the advantages that the conductive fabric is arranged between the conductive foam and the backboard of the display screen, the conductive fabric is closely stuck with the backboard of the display screen together by virtue of the second conductive adhesive, a region coveredby the conductive adhesive on the backboard of the display screen is not completely blocked by an insulating oxidation film, the conductive fabric and the second conductive adhesive can conduct electricity and be grounded by virtue of a broken and leaked part on the oxidation film, reliable connection of the backboard of the display screen and the conductive fabric is realized, and the technicalproblem that a rear housing cannot be effectively grounded as the rear housing of a TFT display screen is an aluminized zinc plate in the traditional grounding manner is solved.

The present invention relates to an electronic device, including a body including an inner frame, a circuit board disposed inside the body to transmit a signal, an electronic component disposed on the circuit board, and a shield can disposed between the circuit board and the inner frame, and covering the electronic component such that a current induced from the electronic component flows toward the circuit board, wherein the shield can includes a base portion including a first region fixed to the circuit board, and a second region covering the electronic component, and at least one magnet portion overlapping the second region of the base portion, and forming a magnetic field in a direction from inside to outside of the base portion so as to disperse the current on the base portion.

A camera module is provided with a lens part including a lens and a lens barrel, a holder coupled with the lens part and formed with a first conductive layer, and a printed circuit board electrically connected to the first conductive layer while supporting the holder.

The invention relates to a terminal. The terminal comprises a rear camera assembly, wherein the rear camera assembly is arranged in an opening hole of a rear cover and comprises a rear camera, a metal sleeve layer and conductive rubber, the metal sleeve layer is sleeved at the rear camera and is electrically connected with an intermediate frame, and the conductive rubber sleeves the metal sleeve layer, is arranged in the opening hole of the rear cover and is electrically connected with the rear cover. According to the embodiment disclosed by the invention, the rear cover can be enabled to be connected with the ground by an elastic sheet and the intermediate and is also connected with the ground by the conductive rubber, the metal sleeve layer and the intermediate frame, two grounding paths are achieved for the rear cover, the rear cover can be enabled to be still connected with the ground by the other path when one of the paths is disconnected due to factors such as a fault or a process, so that the grounding reliability of the rear cover is guaranteed, and the grounding reliability of an antenna connected with the ground by the rear cover is further ensured.

An interposer and an electronic device including an interposer are provided. The interposer includes a multi-conductive member. The multi-conductive member includes an insulation member, a first conductive member that is disposed inside the insulation member and electrically transmits a designated signal or a designated power; and a ground member that surrounds the insulation member.

Disclosed are devices and methods related to radio-frequency (RF) shielding of RF modules. In some embodiments, tuned shielding can be achieved by utilizing different structures and/or arrangements of shielding-wirebonds to increase shielding in areas where needed, and to decrease shielding where not needed. Such tuning of shielding requirements can be obtained by measuring RF power levels at different locations of a module having a given design. Such tuned RF shielding configurations can improve the overall effectiveness of shielding, and can also be more cost effective to implement.

The invention provides a terminal device, comprising the following parts: a display module, comprising a display structure and a flexible circuit board; a metal structure, arranged between the displaystructure and the flexible circuit board and respectively attached to the display structure and the flexible circuit board, wherein the area of the attaching end surface of the metal structure the islarger than the area of the attaching end surface of the preset area of the flexible circuit board, and is smaller than the area of the attaching end surface of the display structure; a metal middleframe, comprising a groove and ends disposed on both sides of the groove, wherein the predetermined area of the flexible circuit board and the metal structure are disposed in the groove, and the endsare in contact with the display structure. The terminal device provided by the embodiment of the invention can reduce the stack thickness of the whole machine, provide a ground return path and excellent shielding performance, and can improve the temperature rise problem of the terminal device and improve the heat dissipation effect of the terminal device.