52results about How to "Improve resistance uniformity" patented technology

An organic light emitting display device may comprises a thin film transistor including an active layer, a gate electrode including a gate lower electrode and a gate upper electrode, a source electrode, a drain electrode, and an organic light emitting device electrically connected to the thin film transistor. A pixel electrode formed of the same material and in the same layer as the gate lower electrode, an intermediate layer including a light emitting layer, and an opposed electrode are sequentially deposited. A first pad electrode is formed in the same layer as the gate lower electrode, a second pad electrode is formed on at least a part of the first pad electrode and in the same layer as the gate upper electrode, and a third pad electrode contacts at least a part of the second pad electrode and is formed in the same layer as the source electrode.

An intermediate transfer medium including a layer which includes an acidic carbon black including volatile components of from 3.5 to 8.0% by weight; at least one of a water soluble resin having a weight average molecular weight of from 3,000 to 30,000, and a resin dispersant having a weight average molecular weight of from 3,000 to 300,000 which is selected from the group consisting of polyamide acids, polyimides, and block copolymer including a unit containing at least one of a polyamide acid and a polyimide; and a binder resin, wherein a weight ratio (CB / R) of the carbon black (CB) to the at least one (R) of the water soluble resin and the resin dispersant is from 3 / 1 to 10 / 1. A film forming liquid for use in preparing the layer, and an image forming apparatus using the intermediate transfer medium are also provided.

The invention discloses laser silver paste used for a capacitive touch screen as well as a preparation method and a use method for the laser silver paste. The laser silver paste used for the capacitive touch screen comprises the following raw materials in parts by weight: 60-80 parts of silver powder, 6-10 parts of resin, 22-25 parts of solvent, 0.3-3 parts of toner and 1-5 parts of accessory ingredients, wherein the grain diameter of the silver powder is 0.0005-0.0015 mm. The laser silver paste used for the capacitive touch screen is reasonable in formula, the printing thickness can be controlled to be 4-6 microns, and the laser silver paste is good in resistance uniformity, strong in adhesive force and high in stability; the preparation method provided by the invention is simple in process, easy to implement, and greatly shortens the production period and effectively improves the production efficiency; the use method provided by the invention is simple in process, and the laser silver paste can be attached to the majority of ITO membrane materials and glass substrates; in addition, the laser silver paste is excellent in adhesive force, capable of passing the adhesion test, good in working performance and easy to implement; and the working efficiency is effectively improved, so that the laser silver paste used for the capacitive touch screen can be widely applied.

A transfer belt that contains carbon black A, that is acidic carbon black having a pH value of not more than 6 or basic carbon black having a pH value of not less than 8; resin B, that is a polymer capable of serving as an electron-pair donator or as an electron-pair acceptor with respect to carbon black A; and resin C, that is a polymer which neither serves as an electron-pair donator, nor serves as an electron-pair acceptor, with respect to carbon black A, and a full color image-forming apparatus, comprising the above transfer belt, and and a full color image-forming apparatus equipped with the belt.

The invention discloses a conductive composite material, which includes a plurality of polymers and at least one conductive filler. The plurality of polymers are compatible with each other on a molecular scale, and the shape of the conductive filler is sheet instead of filament. The conductive composite material of the present invention has better electrical properties than conventional conductive composite materials having only a single polymer component. The invention also discloses an overcurrent protection element, which comprises two metal foils and a positive temperature coefficient PTC material layer, and the PTC material layer comprises the conductive composite material.

The invention creatively provides a doping device for improving the radial resistivity distribution of float-zone single silicon crystals. The doping device comprises a main annular pipe and a doped gas annular pipe nested in a pipe cavity of the main annular pipe; mutually independent air inlets are arranged on the main annular pipe and the doped gas annular pipe respectively; a plurality of main gas outlets are formed in the main annular pipe in a circumferential direction; a plurality of doped gas outlets are arranged on the doped gas annular pipe in the circumferential direction; and the main gas outlets and the doped gas outlets are distributed in a staggering manner. The doping device created by the invention can effectively improve the uniformity and the stability of a concentration of the doped gas in a furnace body and ensures the radial resistivity distribution of the grown float-zone single silicon crystals to be more uniform.

An organic light emitting display device may comprises a thin film transistor including an active layer, a gate electrode including a gate lower electrode and a gate upper electrode, a source electrode, a drain electrode, and an organic light emitting device electrically connected to the thin film transistor. A pixel electrode formed of the same material and in the same layer as the gate lower electrode, an intermediate layer including a light emitting layer, and an opposed electrode are sequentially deposited. A first pad electrode is formed in the same layer as the gate lower electrode, a second pad electrode is formed on at least a part of the first pad electrode and in the same layer as the gate upper electrode, and a third pad electrode contacts at least a part of the second pad electrode and is formed in the same layer as the source electrode.

The invention discloses a capacitance touch screen manufacture method, which comprises the steps as follows: after a pattern is etched on a film, a guide wire is manufactured on the surrounding of the pattern by adopting a way of plating a metal film; and then the film is fit with an LENS. The metal guide wire manufactured by adopting the plating way has thickness between 0.3Mu m and 0.6Mu m, which is far smaller than the thickness of 10Mu m of silk-screen silver paste, thus being capable of reducing bad bubbles caused by large thickness during fitting. The guide wire manufactured by the capacitance touch screen manufacture method by adopting the way of plating has fine and uniform lines, which are far higher than that of the silk-screen silver paste, and has good resistance uniformity, thus greatly improving the performances of the touch screen. The distances between the silk-screen silver paste lead wires of the prior art are usually about 80Mu m due to the limitation of a silk-screening technology, however, the distances between the lead wires manufactured by adopting the plating method can be reduced to be 25Mu m, thus having a larger touch visual area on the touch screen with the same size. The invention also discloses a capacitance touch screen.

The present invention relates to an electric conduction flocking roller and a preparation method thereof. The electric conduction flocking roller comprises a roller core, an electric conduction medium layer and electric conduction fiber penetrating through the electric conduction medium layer and connected to the roller core, wherein the electric conduction medium layer is formed by curing an electric conduction medium, the electric conduction medium layer comprises, by mass, 40-50 parts of polyurethane, 25-55 parts of a solvent, 5-15 parts of superconducting graphite and 1-5 parts of an additive, the solvent is at least one selected from butyl acetate, ethyl acetate and propyl acetate, and the additive is at least one selected from 1-methoxy-2-propyl acetate, methyl isobutyl ketone and dibasic acid ester. According to the present invention, the superconducting graphite has good dispersibility in the polyurethane and the solvent, such that the prepared electric conduction medium layer has advantages of low resistance, good resistance uniformity, and low resistance difference; and the influence of the adding of the superconducting graphite on the adhesion of the polyurethane is low, such that the excellent adhesion of the electric conduction medium layer is ensured, and the hair loss of the electric conduction fiber is reduced.

The invention discloses special conductive filament printing silver slurry for a capacitive touch screen and preparation and application methods of the special conductive filament printing silver slurry. The special conductive filament printing silver slurry for the capacitive touch screen comprises the following components in parts by weight: 60-80 parts of silver powder, 6-10 parts of vinyl resin, 22-25 parts of a solvent, 0.5-3 parts of a toner and 1-5 parts of an assistant, wherein the particle size of the silver powder is 0.0005-0.002mm. The printing silver slurry disclosed by the invention is reasonable in formula; the printing thickness can be controlled at 4-6 microns; the special conductive filament printing silver slurry is good in resistance uniformity, high in adhesive force and high in stability; the width of a printed circuit is greater than 0.06mm; the printing silver slurry is especially suitable for special conductive filament printing for the capacitive touch screen; the processes of the preparation and application methods disclosed by the invention are simple and easy to realize; the production efficiency is effectively improved; the silver slurry is relatively well adhered to most of indium-tin oxide (ITO) film materials and glass substrates; and the special conductive filament printing silver slurry is excellent in adhesive force, good in working performance and beneficial to wide popularization.

The invention discloses an ATO target precursor and a preparation method and application thereof. The precursor is prepared from the following raw materials: tin oxide and antimony oxide, the mass fraction of the antimony oxide is 0.15%-1.8%; the specific surface area of the ATO target material precursor is between 15m < 2 > / g and 25m < 2 > / g. The ATO target material with excellent resistance uniformity and high optical transmittance is prepared by controlling the doping proportion of antimony oxide.

An array substrate is disclosed. The array substrate comprises a substrate, a plurality of common electrodes formed on the substrate, a plurality of gate signal lines formed above the common electrodes, and a plurality of common electrode signal line units corresponding to the plurality of common electrodes, respectively. The plurality of common electrode signal line units are formed on the corresponding common electrodes, respectively. Each of the common electrode signal line units comprises a first common electrode signal line perpendicular to the gate signal line and a second common electrode signal line parallel to the gate signal line. The first and second common electrode signal lines are made of metal and cross with each other and are electrically connected to each other. Two adjacent common electrode signal line units are electrically connected by a bridge line. The present disclosure also relates to a method for manufacturing the array substrate and a display apparatus.

The present invention relates to a single crystal furnace heater, which comprises: a body comprising a plurality of heating parts connected end to end to form a ring, each heating part comprising a plurality of heating plates; heater legs positioned between the two heating parts; first and second connecting pieces, wherein the two adjacent heating parts are connected through the first connecting pieces, and each heater leg is connected with the corresponding two adjacent heating parts through the second connecting piece. According to the single crystal furnace heater, each component can be independently processed, and assembled for use, a problem that a single crystal furnace heater is formed by processing a whole graphite material is avoided, the use of graphite materials is greatly reduced, so that the cost of the single crystal furnace heater is effectively reduced, and after the single crystal furnace heater is used for a period of time, only aged parts need to be replaced, and thewhole single crystal furnace heater does not need to be scrapped, so that the use cost of the single crystal furnace heater is further reduced.

The invention discloses a method for preparing a transparent conductive film on a sodium-calcium-based substrate by using magnetron sputtering. In the invention, through using magnetron sputtering and based on different resistance values in a vacuum chamber, indium tin oxide films with different thicknesses can be prepared through deposition. The prepared indium tin oxide films have characteristics of uniform resistance, low resistivity, high light transmittance, good chemical stability and the like, and have good use value and economic value.

A liquid crystal display (LCD) device includes lower and upper substrates attached to each other, a plurality of data lines on the lower substrate, a plurality of lead lines on the lower substrate, the lead lines being positioned in a dummy region of the lower substrate, a plurality of scan lines on the upper substrate, the scan lines being connected to respective lead lines and being positioned to intersect with the data lines, and at least one dummy pattern on the lower substrate, the dummy pattern being positioned in the dummy region between an edge of the lower substrate and a corresponding outermost lead line of the plurality of lead lines.