73results about How to "Preventing a short circuit" patented technology

Provide is a zinc secondary battery capable of preventing a short circuit between the positive and negative electrodes caused by zinc dendrites. The zinc secondary battery of the present invention comprises a positive electrode; a negative electrode containing zinc; an electrolytic solution in which the positive electrode and the negative electrode are immersed or with which the positive electrode and the negative electrode are in contact, wherein the electrolytic solution is an aqueous solution containing an alkali metal hydroxide; and a separator being placed between the positive electrode and the negative electrode and separating the positive electrode and the negative electrode from each other, wherein the separator comprises an inorganic solid electrolyte body having hydroxide ion conductivity.

The separator of the present invention comprises a porous composite having a porous substrate and a first porous coating layer formed on at least one surface of the porous substrate and comprising a mixture of inorganic particles and a first binder polymer; and a second porous coating layer formed on a first surface of the porous composite and comprising a mixture of cathode active material particles, a second binder polymer and a first conductive material, a third porous coating layer formed on a second surface of the porous composite and comprising a mixture of anode active material particles, a third binder polymer and a second conductive material, or both of the second porous coating layer and the third porous coating layer. Also, the separator of present invention may further comprise a fourth porous coating layer formed on at least one outermost surface thereof and comprising a fourth binder polymer.

An electrode assembly and a lithium ion secondary battery using the same capable of preventing a short circuit from being created in an outer peripheral portion of the electrode assembly. Uncoated areas of positive and negative electrode plates and an active material layer in the inner and outer peripheral portions of the electrode assembly are optimally aligned such that the thickness of the electrode assembly is uniformly formed widthwise along the electrode assembly.

The present invention discloses an anisotropic conductive adhesive comprising an insulating adhesive component and a number of conductive particles dispersed in the insulating adhesive component, wherein the insulating adhesive component contains a crosslinked rubber resin. The anisotropic conductive adhesive of the present invention prevents exfoliation of an adhesive or reduction in adhesive strength of circuit by minimizing its the heat-contraction occurring in the process of a polymerization or a hardening reaction when connecting micro-circuits, whereby a short circuit between adjacent electrodes can be prevented when connecting the circuits, and excellent connection reliability according to a long-term use is achieved.

A secondary battery including a jelly roll configuration type electrode assembly formed by winding a stack of two electrodes having different polarities and at least one separator for preventing a short circuit between the two electrodes, a case for containing the electrode assembly, and electrode tabs for connecting the two electrodes of the electrode assembly to an outside of the case, wherein a level for extracting the electrode tabs from the electrode assembly is substantially equal to a level for extracting the electrode tabs from the case. The electrode assembly may be formed to be a jelly roll having an elliptical shape or a track shape. In one exemplary embodiment, the electrode tabs are used in a pouch having a hollow for containing the electrode assembly in only one side. Also, the electrode tabs are extend linearly from the pouch.

An electric socket is disclosed to include a housing provided at one end of a cable and having insertion slots for the insertion of the metal electrodes of an electric plug, a socket body mounted inside the housing and holding two metal electrode clamps on the inside for receiving the metal electrodes of an electric plug, a holding down structure provided inside the socket body, and a rotating ring mounted on the socket body and exposed to the outside of the housing and rotatable between a first position to force the holding down structure against the metal electrode clamps and to further lock the metal electrodes of the inserted electric plug and a second position to release the holding down structure from the metal electrode clamps.

Provided is a cylindrical secondary battery, comprising an electrode assembly having a cathode plate, an anode plate, and a separator interposed therebetween; a case for receiving the electrode assembly; a cap assembly for sealing an open-end of the case; and a gasket interposed between the case and the cap assembly, wherein the gasket is made of a polymer resin having a melting point of 200° C. or higher and a hardness of 100D or less.

A light-emitting element includes a conductive layer functioning as a first electrode, an electroluminescent layer, and a conductive layer functioning as a second electrode, and further includes an insulating material filling a defect portion in the electroluminescent layer so that the defect portion is sealed. In the light-emitting element, the conductive layer functioning as a second electrode overlaps with the conductive layer functioning as a first electrode with the electroluminescent layer and the insulating material interposed therebetween and is in contact with a top surface of the electroluminescent layer.

A highly reliable printed circuit board which is capable of preventing a short circuit between traces from being caused by a solder bridge formed by excess solder. The printed circuit board has a solder resist covering copper foil traces formed on a substrate and the substrate, for insulation. The solder resist is formed such that exposed portions of the substrate between adjacent ones of the conductive traces each have a shape protruding in a direction of where the other printed circuit board is connected, with respect to exposed portions of the adjacent ones of the conductive traces, in a boundary between the connection part and a portion on which an insulating layer is formed.

A touch display device can include a panel including a plurality of touch electrodes including a first touch electrode and a second touch electrode, the first touch electrode being adjacent to and electrically isolated from the second touch electrode; a touch sensing circuit configured to drive the panel to sense a touch or a touch position; and at least one external dummy metal disposed in a boundary region between the first touch electrode and the second touch electrode, in which the at least one external dummy metal is spaced apart from and electrically isolated from the first and second touch electrodes.

An OLED device and a method for fabricating the same are disclosed, capable of improving yield and preventing decomposition of organic layers by moisture. An organic passivation layer having excellent morphology is applied to prevent a short circuit between an anode electrode and a cathode electrode. A Ca layer is applied to remove moisture from the inside of the device, thereby increasing the lifespan of the device. Accordingly, generation of dark sports by the short circuit caused by protrusions on a poor-morphology layer can be prevented. In addition, moisture absorbent layers are formed between the passivation layers and the partitions to remove outside moisture and the moisture outgassed from the inside, that is, partitions and organic layers, thereby elongating the lifespan of the OLED device.

An electrical connector including an insulating body, multiple terminals received in the insulating body, and a contact member. The insulating body includes a base and a tongue extending forward from the base. The tongue has a rear segment and a front segment, and the rear segment is higher than the front segment. Each terminal has a mating portion exposed from the front segment. The front segment has an isolation portion close to the rear segment, and the isolation portion is higher than the mating portion and lower than the rear segment. The contact member is disposed at the rear segment, and used for buckling a grounding elastic sheet of a mating connector during mating. The isolation portion is at least partially located on an insertion path of the grounding elastic sheet.

A low profile card reader is disclosed to include a circuit board with a USB connection interface at the front part, an electrically insulative inner shell bonded to the circuit board outside the USB connection interface and defining an accommodation space, a card connector mounted in the accommodation space and electrically connected to the circuit board for receiving and reading a memory card and having a receiving space for receiving a memory card, a guide member connected to the circuit board and defining a sliding way disposed in line with the receiving space of the card connector for guiding a memory card into the card connector, and an outer metal shielding shell surrounding the circuit board, the electrically insulative inner shell, the card connector and the guide member for EMI protection with the USB connection interface of the circuit board exposed to the outside for connection to a computer.

A separator for a rechargeable lithium battery includes a substrate, an organic layer positioned on at least one side of the substrate and including an organic material and an inorganic layer positioned on at least one side of the substrate and including an inorganic material, wherein the organic material includes two or more kinds of organic particles having different particle sizes from each other.

An FS upper nitride film (15) is formed on the upper surface of an FS electrode (5). Therefore, the upper surface of the FS electrode (5) is not exposed even when an FS upper oxide film (41) is partially almost removed in the manufacturing process. Thus, a semiconductor device which prevents degradation in operation characteristics and reliability due to existence of an FS insulating layer can be provided.

In an electrical connector for connecting connection objects to each other in a connecting direction, a holding member has an accommodating portion between a first and a second surface to which the connection objects are opposed, respectively, when connected to said electrical connector. A connecting member has elasticity and is placed in the accommodating portion. The holding member includes a first and a second wall which define the accommodating portion therebetween. At least one of the first and the second walls includes a restraining portion defining a space which allows a portion of the connecting member to elastically move in a predetermined direction crossing the connecting direction.

Provide is a zinc secondary battery capable of preventing a short circuit between the positive and negative electrodes caused by zinc dendrites. The zinc secondary battery of the present invention comprises a positive electrode; a negative electrode containing zinc; an electrolytic solution in which the positive electrode and the negative electrode are immersed or with which the positive electrode and the negative electrode are in contact, wherein the electrolytic solution is an aqueous solution containing an alkali metal hydroxide; and a separator being placed between the positive electrode and the negative electrode and separating the positive electrode and the negative electrode from each other, wherein the separator comprises an inorganic solid electrolyte body having hydroxide ion conductivity.

A low profile card reader is disclosed to include a circuit board with a USB connection interface at the front part, an electrically insulative inner shell bonded to the circuit board outside the USB connection interface and defining an accommodation space, a card connector mounted in the accommodation space and electrically connected to the circuit board for receiving and reading a memory card and having a receiving space for receiving a memory card, a guide member connected to the circuit board and defining a sliding way disposed in line with the receiving space of the card connector for guiding a memory card into the card connector, and an outer metal shielding shell surrounding the circuit board, the electrically insulative inner shell, the card connector and the guide member for EMI protection with the USB connection interface of the circuit board exposed to the outside for connection to a computer.

A method for manufacturing an organic electroluminescence display includes forming a plurality of first electrodes on a substrate in a shape of stripe; forming a photoresist layer on an entire surface of the substrate; performing a first exposure of a first area on the photoresist layer crossing the first electrodes; carrying out an image reversal of the first exposed photoresist layer; performing a second exposure of a remaining area on the photoresist layer except a second area crossing the first electrodes and a third area between the first electrodes; performing a third exposure of the entire surface of the photoresist layer; and developing the second exposed photoresist layer and the third exposed photoresist layer.

A method of forming a contact structure with a contact spacer and a method of fabricating a semiconductor device using the same. In the method of forming a contact structure, an interlayer dielectric layer is formed on a semiconductor substrate. The interlayer dielectric layer is patterned, thereby forming a contact hole for exposing a predetermined region of the semiconductor substrate. A contact spacer is formed on a sidewall of the contact hole using a deposition method having an inclined deposition direction with respect to a main surface of the semiconductor substrate. The deposition direction may be set between the main surface and a normal with respect to the main surface. Further, there is provided a method of fabricating a semiconductor device using the method of forming the contact structure.

There is provided an inkjet head including: a flow path plate having a plurality of ink chambers; a nozzle plate having a plurality of nozzles connected to the respective ink chambers in order to eject ink in the ink chambers to the outside; a piezoelectric actuator provided above the ink chambers and controlling pressure of the ink chambers; and a parylene protective film provided in order to prevent oxidization of the piezoelectric actuator.

Disclosed is a semiconductor device comprising: a semiconductor substrate in which an integrated circuit is formed; a first resin film provided over the semiconductor substrate; a second resin film provided over an upper surface of the first resin film except at least a peripheral portion of the first resin film; and a thin film inductor provided over the second resin film.

To provide a light-emitting device from which uniform light emission can be obtained by providing an auxiliary wiring; a light-emitting device in which a short circuit between electrodes or between an electrode and an auxiliary wiring, which is attributed to a step caused by the auxiliary wiring, hardly occurs; and a light-emitting device which has high reliability by preventing a short circuit. In an EL light-emitting device including an auxiliary wiring, by covering a step caused by the auxiliary wiring is covered with an insulator, a short circuit between electrodes or between an electrode and the auxiliary wiring, which is attributed to the step caused by the auxiliary wiring, is prevented. Thus, the above objects are achieved.

The present invention discloses an anisotropic conductive adhesive comprising an insulating adhesive component and a number of conductive particles dispersed in the insulating adhesive component, wherein the insulating adhesive component contains a crosslinked rubber resin. The anisotropic conductive adhesive of the present invention prevents exfoliation of an adhesive or reduction in adhesive strength of circuit by minimizing its the heat-contraction occurring in the process of a polymerization or a hardening reaction when connecting micro-circuits, whereby a short circuit between adjacent electrodes can be prevented when connecting the circuits, and excellent connection reliability according to a long-term use is achieved.

The present invention relates to a pressure-sensitive adhesive tape for protecting an electrode plate, containing: a substrate, and a pressure-sensitive adhesive layer provided on at least one side of a the substrate, in which the pressure-sensitive adhesive tape has a piercing resistance, obtained by the following calculation method, of 300 gf·mm or more; and has a heat shrinkage ratio, when heating is performed at 260° C. for 1 hour, of 1.0% or less in both of TD (width) direction and MD (length) direction, and in which the calculation method contains fixing the pressure-sensitive adhesive tape to a fixing plate in which a circular hole having a diameter of 11.28 mm is formed, piercing a needle of which the end of has a curvature radius of 0.5 mm to the pressure-sensitive adhesive tape at a speed of 2 mm / s under condition of 23±2° C., and measuring a maximum load (gf) and a maximum elongation (mm) of the pressure-sensitive adhesive tape when the needle penetrates the pressure-sensitive adhesive tape; and the piercing resistance is calculated by the following equation (1):Piercing resistance=[Maximum load (gf)]×[Maximum elongation (mm) of the pressure-sensitive adhesive tape]×½  (1).

In an electrical connector for connecting connection objects to each other in a connecting direction, a holding member has an accommodating portion between a first and a second surface to which the connection objects are opposed, respectively, when connected to said electrical connector. A connecting member has elasticity and is placed in the accommodating portion. The holding member includes a first and a second wall which define the accommodating portion therebetween. At least one of the first and the second walls includes a restraining portion defining a space which allows a portion of the connecting member to elastically move in a predetermined direction crossing the connecting direction.

In an electrical connector adapted to be interposed between two connection objects to electrically connect the connection objects to each other, a flexible conductive film, mounted on a base member, includes a flexible insulating film having an outer surface and an inner surface. The flexible insulating film is folded near a rear edge of the base member into a generally U shape with the outer surface kept on the outside. The flexible conductive film has a film conductive pattern formed not only the outer surface of the flexible insulating film but also on the inner surface of the flexible insulating film.

A display device, includes a substrate; first to fourth subpixels sequentially arranged on the substrate; a first power line on a left side of the first subpixel and shared by the first and second subpixels; a sensing line between the second subpixel and the third subpixel and shared by the first to fourth subpixels; a second power line on a right side of the fourth subpixel and shared by the third and fourth subpixels; and a first data line on the left side of the first subpixel, a second data line on a right side of the second subpixel, a third data line on a left side of the third subpixel, and a fourth data line on the right side of the fourth subpixel. The first and second power lines and the sensing line are disposed on a layer different from the first to fourth data lines.