481results about How to "No short circuit" patented technology

The present invention provides a liquid crystal display unit to prevent a shortcircuit between a common electrode on the side of a color filter substrate and a wiring and an electrode on the side of a thin film transistor and to set a precise cell gap in the entire area including the sealing area of two substrates. In which, columnar spacers SP1 are fixed in prescribed positions by forming the columnar spacers on the common electrode ITO2 and on a transparent protective film OC2 where the common electrode does not exist at the color filter substrate SUB2 and coating the columnar spacers on the common electrode with an alignment layer. Columnar spacers SP2 and SP3 are provided in the vicinity of the inner and the outer parts of a sealing area SL to secure the prescribed cell gap in the entire area of the two substrates and the sagging and to secure the height of the applied sealing material.

The invention discloses a coaxial compound nanometre fibre film composed of compound nanometre fibres of a fluorine-containing polymer skin layer and a polyimide core layer, wherein the upper and the lower surfaces and inner holes of the film are distributed symmetrically. The coaxial compound nanometre fibre film is prepared from a fluorine-containing polymer solution and a polyamic acid solution through coaxial static spinning compounding, mechanical roller pressing and thermal imidization; the nanometre fibre film provided by the invention integrates the advantages of fluorine-containing polymer and polyimide; the fluorine-containing polymer has excellent electrolyte wetting property, liquid maintaining property and ion conductivity; and the polyimide has high mechanical strength and high heat resistance. The compound nanometre film provided by the invention is fit for high-energy lithium ion energy storage batteries and high-power electrokinetic cells.

The invention relates to a panel and a manufacturing method thereof, wherein, the manufacturing method of the panel comprises the following steps: finishing the manufacturing of film transistor arraysand peripheral graphs on a substrate to form an array substrate; coating main frame sealing glue in which no golden ball is doped at the periphery of the array substrate; coating secondary frame sealing glue in which golden balls are doped outside of the main frame sealing glue, wherein the secondary frame sealing glue is partly overlapped with or completely separated from the main frame sealingglue, and is positioned in the connecting electrode area of the array substrate but keeps away from the lead wire area of data lines; and aligning the array substrate and a color-film substrate to form the panel. To the panel and the manufacturing method thereof, due to the absence of golden balls in the lead wire area of the date lines, ESD can not occur, simultaneously golden balls are only doped in the secondary frame sealing glue, the usage amount of golden balls is greatly reduced, thereby lowering the cost of the panel.

The invention provides a wiring post which comprises a wire holder and a wire pressing screw. A wiring hole is opened on one side face of the wire holder, a threaded hole is opened at the top of the wire holder, the threaded hole is communicated with the wiring hole, and the wire pressing screw is connected with the wire holder through the screw hole. The wiring post further comprises a cap sleeve with inner threads, outer threads are opened at the upper end of the wiring post, and the cap sleeve is in threaded connection with the wiring post. A cap is arranged at the top of the cap sleeve, a hole for a screw driver to penetrate through is opened on the cap, and the diameter of the hole is smaller than that of a screw cap of the wire pressing screw. By means of the wiring post with the structure, the wire pressing screw only reciprocates in the cap sleeve and cannot fall off the wire holder, and the wire pressing screw cannot be lost easily, so that the short-circuit phenomenon caused by the loss of the wire pressing screw in products can be avoided.

The invention discloses a method for detecting a masking plate. The method comprises the following steps: 1, under the condition of unchanged energy, carrying out simultaneous exposure of patterns of a masking plate to be detected and a masking plate known as a non-defective product on an optical piece according to different focal lengths; 2, under the condition of unchanged focal length, carrying out the simultaneous exposure of the patterns of the masking plate to be detected and the masking plate known as the non-defective product on the optical piece according to different energy; 3, making a detection file; 4, according to exposure results of the step 1, judging focal depth difference between the masking plate to be detected and the masking plate known as the non-defective product and the patterns and condition of particles of the two masking plates; 5, according to exposure results of the step 2, judging energy domain value difference between the masking plate to be detected and the masking plate known as the non-defective product and the patterns and the condition of the particles of the two masking plates; and 6, according to results of the step 4 and step 5, judging the performance of the masking plate to be detected. The method can reduce the workload and improve the working efficiency.

The invention discloses a logic timing control circuit. The logic timing control circuit comprises a first logic timing control circuit and a second logic timing control circuit, wherein the first logic timing control circuit comprises a first unidirectional connection element which contains at least a PN junction and a first time delay circuit which is electrically connected with the positive pole of the first unidirectional connection element which at least contains the PN junction; the second logic timing control circuit comprises a second unidirectional connection element which at least contains the PN junction and a second time delay circuit which is electrically connected with the negative pole of the second unidirectional connection element which contains at least the PN junction; and the common connection point of the negative pole of the first unidirectional connection element which contains at least the PN junction and the positive pole of the second unidirectional connection element which contains at least the PN junction is provided with a control signal input end. The logic timing control circuit is adopted so as to mutually switch the parallel charging with the serial discharging of a plurality of battery packs; and the logic timing control circuit has the advantages that the logic timing control circuit is simple in structure and convenient to use, the battery packs cannot be caused to shortcircuit in a mutual switching process, and the service lives of the battery packs are prolonged.

Provided are a chip cutting method and a chip packaging method. The chip packaging method includes the steps that at least two chip structures are provided, wherein each chip structure comprises a chip and an insulating layer at least located on the side wall of the chip, the side wall of the insulating layer of each chip structure is provided with a conductive groove, the chip structures are stacked, and the conductive grooves of the different chip structures correspond to each other in position; the insides of the conductive grooves are filled with conductive adhesives, wherein circuits in the different chip structures are electrically connected through the conductive adhesives. Due to the fact that the conductive grooves are formed in the side walls of the insulating layers, the conductive adhesives formed in the conductive grooves cannot be in direct contact with the chips, and short-circuit phenomena cannot occur; due to the fact that the conductive grooves and contact welding plates are connected through metal interconnection layers on the surfaces of the insulating layers, the insulating layers cannot influence layout design of other metal interconnection structures in the chips, the chip area occupied by the metal interconnection structures can be saved, and the component integration degree of the chips can be beneficially improved.

The invention discloses a preparation method of an N-type crystalline silicon double-sided back contact solar cell, which comprises the following steps of: (1) cleaning and velvet-making; (2) carrying out local phosphorus doping on the back surface of a silicon chip; (3) carrying out boron diffusion on the front surface of the silicon chip; (4) etching a peripheral junction; (5) passivating the front surface and the back surface of the silicon chip or the front surface of the silicon chip; (6) arranging antireflective films on the front surface and the back surface of the silicon chip; (7) forming a hole on the silicon chip; (8) arranging a hole metal electrode in the hole; and printing metal electrodes on the double sides and sintering to obtain the N-type crystalline silicon double-sided back contact solar cell. The preparation method has the advantages that the local phosphorus doping is carried out on the back surface of the silicon chip, a non-phosphorus doping area on the back surface of the silicon chip is a peripheral area of a hole to be formed on the silicon chip, and the problems of short circuit and electricity leakage at the diffused junction are avoided in the solar cell obtained by the preparation method, so that the remarkable effect is obtained.

The present invention relates to a high-current battery system (1) in which a high operating current flows, in particular for vehicle drives. The high-current battery system (1) has a battery system monitoring electronics unit (12) and a plurality of battery modules (4), each module including at least one rechargeable battery cell (10) and being electrically connected in series by means of an operating current line (5) such that an operating current flows through the operating current line (5) during operation. At least one of the battery modules (4) is designed as a bypass battery module (6) which comprises a bypass switch (7) and a bypass line (8), which are designed and disposed such that the battery module (6) is electrically bridged by the bypass line (8) after the bypass switch (7) is switched from a normal operating position into a bypass position, so that the operating current flows through the bypass line (8). For each bypass battery module (6), the battery system monitoring electronics unit (12) incorporates a module monitoring unit (11) which monitors the associated battery module (6) and detects a fault state of the module (6). Upon detection of a fault state of a battery module (6) by one of the module monitoring units (11), the battery system monitoring electronics unit (12) measures the current flow in the operating current line (5) and switches the bypass switch (7) of the battery module (6) in question from the normal operating position into the bypass position at a time at which the current flow in the operating current line (5) is less than a predetermined limit value.

Provided are a chip structure and a chip packaging structure. The chip packaging structure comprises at least two chip structures and conductive adhesives located in conductive grooves, wherein the side walls of the chip structures are provided with the conductive grooves, the chip structures are stacked, the conductive grooves of the stacked chip structures correspond in position, and circuits in the stacked chip structures are electrically connected through the conductive adhesives. Due to the fact that the conductive grooves are formed in the side walls of insulating layers, the conductive adhesives formed in the conductive grooves later cannot be in direct contact with chips, and short-circuit phenomena cannot occur; due to the fact that the conductive grooves and contact welding plates are connected through metal interconnection layers on the surfaces of the insulating layers, the insulating layers cannot influence layout design of other metal interconnection structures in the chips, the practice that extra metal interconnection structures are designed due to positions of the contact welding plates is needless, the chip area occupied by the metal interconnection structures can be saved, and the component integration degree of the chips can be beneficially improved.

The invention discloses a diaphragm for a lithium ion battery and the lithium ion battery applying the diaphragm. The diaphragm is a ceramic fiber diaphragm and comprises ceramic fiber, inorganic fillers and inorganic adhesive and/or organic adhesive. The diaphragm for the lithium ion battery has the advantages that the performance is stable and reliable, the short-circuited problem of the battery due to melting of the diaphragm of an electrode can be solved, the safety accidents can be avoided, the safety performance is good, the long-time normal use of the lithium ion battery is guaranteed, and the service life of the lithium ion battery is prolonged, so that the diaphragm is wide in market application prospect and great in production and practice significance.

This invention relates to one wireless sensor network point device for animal and plant grow and cultivation indoor chamber, nuclear pollution area, atmosphere and industry spot environment monitor for environment temperature and humidity and atmosphere monitor; in the network, the point work environment is of complex one and independent unit with proper structure and special energy consumption, reliability and life cycle.

The invention belongs to the technical field of battery manufacturing of electric motor cars and in particular relates to an improved battery; the battery comprises a shell, an upper cover, a pole rod, a lithium battery and an electric conducting bar; the shell is a cuboid shape, and the opening of the shell is sealed by the upper cover, and a strengthening rib is formed by the outer wall of the shell forms, and the lithium battery is arranged in the shell; the pole rod is embedded on the upper cover, and the outer end of the pole rod is connected with the electric conducting bar; the strengthening rib is transversely and uniformly distributed by the way that the strengthening rib is parallel to the edge of the opening of the shell. The improved battery has the advantages of high-strength shell, good heat radiating performance, simple structure, high using safety, high sealing property, long service life and the like.

The present invention provides a coaxial connector and the like which can be adjusted such that the VSWR is improved and the characteristic impedance of a coaxial cable is maintained, and effectively achieves a great reduction in height. This coaxial connector (1) is characterized by being provided with a signal conductor (3), a ground conductor (5), and an insulator (7), and in that in a both-conductor-opposed region (13) in which the ground conductor (5) and the signal conductor (3) are disposed opposing each other, a distance enlargement part (15) in which the vertical distance (X) between the inner surface (5a) of the ground conductor (5) and the back surface (3a) of the signal conductor (3), which is the surface facing the inner surface (5a), becomes larger without increasing the thickness dimension (t) of the coaxial connector (1) is formed.

The invention relates to an axial fan for a vehicle radiator, wherein the fan wheel feeding the main air flow is driven by means of a hub motor that is centrally rotationally coupled to the same. The vehicle radiator is disposed on the intake side of the fan wheel, the hub motor is cooled during its operation by means of an auxiliary air flow, and the cooling air flow of the hub motor flows out of an air outlet port positioned on the intake side of the fan wheel in the hub region. In order to provide an adequate air flow for the cooling of the hub motor, while avoiding a significant reduction in the fan's efficiency ratio, an air deflector device is associated with the hub motor, through which the majority of the hub motor's cooling air flow must pass, and the cooling air flow passing through the air deflection device is directed out of the air outlet port, while avoiding interferences of the main air flow delivered by the fan wheel.

The invention discloses a pi-type homologous nuclear phase system and method for a gas power plant. An excitation unit of a gas turbine generator is connected with a rotor of the gas turbine generator; the output end of the gas turbine generator is connected with the low-voltage side of a gas turbine main transformer through an outlet enclosed bus of the gas turbine generator and one synchronization point unit of the gas turbine generator sequentially; the high-voltage side of the gas turbine main transformer is connected with a high-voltage bus through two synchronization point units of the gas turbine generator; the high-voltage side of a steam turbine main transformer is connected with the high-voltage bus through a synchronization point unit of the steam turbine generator; and the low-pressure side of a steam turbine main transformer is connected with the output end of the steam turbine generator through an outlet enclosed bus of the steam turbine generator. According to the systemand the method, homologous nuclear phases of the plurality of synchronization points can be completed once; it is not required to change a running mode and operate a knife switch frequently; dangerous sources are relatively few; experiment time and fuel are saved; the experiment efficiency is relatively high; and asynchronous accidents caused by wiring errors can be effectively reduced.