309 results about "Auxiliary electrode" patented technology

The invention provides a flexible electrochemical sensor, a preparation method and application. The flexible electrochemical sensor comprises a flexible substrate, three electrodes, a conductive strip, an external wire and a multi-cavity polypyrrole film, the three electrodes comprise a working electrode, a reference electrode and an auxiliary electrode and are printed on the flexible substrate; the conductive strip is connected with the three electrodes, the conductive strip is packaged through an insulating tape, and only working areas of the three electrodes are exposed; the external wire is pasted on the conductive strip through conductive silver adhesive. The multi-cavity polypyrrole film is modified on the surface of the working electrode. The technical problems that existing equipment is insufficient in portability, cannot meet the requirements of on-site rapid screening and real-time analysis of large-batch samples, and is difficult to realize on-site mobile detection are solved. The invention provides a feasible technical means for portable, mobile and on-site rapid detection of high-harm heavy metal ions such as Hg < 2 + > and Cd < 2 + >, and the method is simple to operate and extremely low in cost.

A semiconductor device includes a semiconductor layer, a first conductive type first region formed in a surface layer portion of a first principal surface of the semiconductor layer, a cell structure having a second conductive type second region formed in a surface layer portion of the first region, a first conductive type third region formed in the surface layer portion of the first region such that third region is in contact with the second region, and a control electrode opposing the second region via a first insulating film adjacent to the second region, the control electrode forming a current path in the second region, a first electrode layer formed on the first principal surface such that the first electrode layer covers the cell structure, and electrically connected to the third region, a second electrode layer formed on the first principal surface separately from the first electrode layer.

The invention provides an anti-interference measurement method and system for grounding grid parameters in a strong interference environment, and belongs to the technical field of grounding device parameter measurement. The method comprises the following steps: constructing a multi-physics field coupling theoretical model, and integrating a high-precision clock synchronization and wireless communication high-fidelity sensor network; phase and amplitude errors in signal transmission are effectively eliminated through an anti-interference and fidelity processing mechanism, and finally the grounding resistance and related electrical characteristics are calculated by solving a parameter equation set derived from a theoretical model. According to the invention, by constructing a multi-physics field coupling theory model and designing a high-fidelity sensing network, and combining a distributed clock synchronization technology and an anti-interference signal processing mechanism, accurate, portable and safe measurement of the grounding resistance of the tower at a strong interference power transmission line site without power failure and disconnection of a down lead is realized. According to the invention, the risk of operating high-voltage equipment and the complexity of burying the auxiliary electrode in the traditional measurement are thoroughly avoided.

According to the membrane-free electrochemical energy storage device, in the thickness direction of a partition plate, a first energy storage device and a second energy storage device are arranged on the two sides of the partition plate correspondingly and connected with the partition plate; the first energy storage device comprises a first end plate, a first sealing gasket, a first current collector, a first gas diffusion electrode, a first porous membrane, a first auxiliary electrode, a second porous membrane, a first porous electrode, a second current collector and a second sealing gasket; the second energy storage device comprises a second end plate, a third sealing gasket, a third current collector, a second gas diffusion electrode, a third porous membrane, a second auxiliary electrode, a fourth porous membrane, a second porous electrode, a fourth current collector and a fourth sealing gasket; the metal strip is connected between the first auxiliary electrode and the second auxiliary electrode. Therefore, the membrane-free electrochemical energy storage device provided by the invention can perform short-term energy storage and can also perform long-term energy storage, and the energy storage effect and the energy storage cost can be both considered.

This disclosure provides a display device. The display device may include a plurality of light-emitting elements disposed on a substrate, each of the plurality of light-emitting elements including a first electrode, an organic layer, and a second electrode; a dam disposed on the substrate; a plurality of auxiliary electrodes disposed on the dam and configured to electrically connect adjacent second electrodes; and a touch sensing unit including a plurality of touch electrodes and a plurality of touch lines. Furthermore, each of the plurality of touch electrodes includes a group of second electrodes electrically connected to each other by at least one of the plurality of auxiliary electrodes, and the plurality of touch lines are respectively connected to the plurality of touch electrodes and are made of the same material as the plurality of auxiliary electrodes.

A display panel includes: a driving substrate; the isolation structure layer is arranged on the driving substrate, and a plurality of first openings are defined by the isolation structure layer; a plurality of light-emitting devices, wherein one light-emitting device is arranged corresponding to one first opening; the light-emitting device comprises an anode, a light-emitting part and a cathode which are sequentially stacked in the direction away from the driving substrate, and the cathode is electrically connected with the isolation structure layer; the insulating layer is arranged on one side, far away from the driving substrate, of the isolation structure layer, the insulating layer is provided with a plurality of through holes, and the plurality of through holes are used for exposing the surface, far away from the driving substrate, of the isolation structure layer; the auxiliary electrode layer is arranged on the side, away from the isolation structure layer, of the insulation layer, the auxiliary electrode layer is in electric contact with the surface, exposed by the through holes, of the isolation structure layer, and the auxiliary electrode layer is made of a transparent conductive material.

The invention provides a display panel, a display driving method, a display driver, a display module and electronic equipment, and belongs to the field of display technologies. The display panel comprises a substrate and a plurality of pixels, wherein each pixel comprises a plurality of sub-pixels; each sub-pixel comprises a first electrode layer, an organic light-emitting layer and a second electrode layer which are sequentially arranged on the substrate in a stacked mode. The first electrode layer comprises a main electrode, an auxiliary electrode and a partition layer, the auxiliary electrode is arranged around the main electrode, the partition layer is arranged between the auxiliary electrode and the main electrode, and the auxiliary electrode and the main electrode are insulated from each other. In the embodiment of the invention, the main electrode and the auxiliary electrode can be independently controlled, and when an unexpected organic light-emitting material is deposited above the first electrode layer of the sub-pixel, namely vapor plating color mixing occurs, the organic light-emitting layer corresponding to the auxiliary electrode is controlled not to emit light, so that the adverse effect of vapor plating color mixing on the display effect of the display panel can be effectively improved, and the display effect of the display panel is improved. And the display effect of the display panel is ensured.

This invention relates to a display device. A display device according to an exemplary embodiment of this disclosure includes: a substrate including a light-emitting region and a non-light-emitting region surrounding the light-emitting region; a light-emitting element disposed in the light-emitting region on the substrate, and including a first electrode, an organic layer, and a second electrode; auxiliary wiring disposed on the substrate and in the non-light-emitting region; an auxiliary electrode disposed on the auxiliary wiring and including a protrusion in at least a portion of its side surface; a dam disposed in a portion of the top surface of the auxiliary electrode and including at least one hole located in the non-light-emitting region; a deposition prevention layer disposed on the dam and the auxiliary electrode; and a connection pattern contacting at least a portion of the side surface of each of the second electrode and the protrusion, wherein the protrusion and the connection pattern overlap with the hole in the dam, such that the brightness of the entire display panel can be uniform.

The utility model provides a portable electrochemical solution mixing device which comprises a base, a driving part is arranged in the base, a rotating cylinder is connected to the driving part, and a sample pool containing liquid to be detected is arranged on the rotating cylinder; the bottom end of the lifting assembly is connected with the base, the top end of the lifting assembly is provided with a PCB (Printed Circuit Board), and the PCB is electrically connected with the electrochemical tester; the working electrode, the reference electrode and the auxiliary electrode are all connected with the PCB through insertion springs, and the working electrode, the reference electrode and the auxiliary electrode all extend into the sample pool; the three electrodes can be quickly mounted, taken and placed only through simple plugging and unplugging actions, the depths of the three electrodes extending into the to-be-detected solution can be kept consistent, and the electrodes are simple, convenient, quick, uniform in stirring, reliable in connection, long in service life, beneficial to stable transmission of electric signals, small in overall size and small in occupied space.

A manufacturing method of an organic display panel and the organic display panel are provided by the present application and relate to a field of display technology. The present application mainly focuses on an evaporation process of an organic material on an array substrate to form an organic layer. An anode layer of the array substrate and the organic material after vaporization from an evaporation source are applied with different electric charges, so that the anode layer and the organic material after vaporization can attract each other under an action of an electric field during the evaporation process, thereby achieving a fixed-point deposition of the organic material on the anode layer, and preventing or hindering the organic material from depositing on the array substrate, such as the auxiliary electrode and other areas.

The invention belongs to the technical field of analysis and detection, and particularly relates to a bifunctional zinc ion selective microelectrode, an ultramicro electrochemical sensor, a preparation method and application. The method comprises the following steps: preparing a platinum ultramicro disc electrode through the steps of laser drawing, polishing, electrode extraction and the like, doping a multi-walled carbon nanotube into a zinc ion selective membrane solution, and curing to form a membrane to obtain a target microelectrode; according to the ultramicro electrochemical sensor, the microelectrode is used as a core functional part and is matched with a reference electrode and an auxiliary electrode to form a three-electrode system. The diameter of the electrode is 25 [mu] m, the RG value is about 3, the linear correlation coefficient of zinc ions reaches up to 0.997, and the electrode has excellent selectivity, conductivity and position control accuracy. High-resolution monitoring of the concentration of zinc ions in a negative electrode interface in-situ micro-area under different electrolyte additive systems and different charge-discharge multiplying powers in the charge-discharge process of the aqueous zinc ion battery can be realized through a potential response mode of a scanning electrochemical microscope.

A display panel comprises: a substrate; a pixel defining layer, disposed on the substrate and having first openings and second openings, wherein the first openings and the second openings are arranged at intervals; light-emitting devices, wherein at least a part of each light-emitting device is located in a corresponding first opening, and the light-emitting device comprises an anode, a light-emitting portion, and a cathode that are stacked in a direction moving away from the substrate; and auxiliary electrodes, located between the pixel defining layer and the substrate, wherein each auxiliary electrode overlaps a corresponding second opening in a direction perpendicular to the substrate, and an edge of the cathode of the light-emitting device extends into the second opening and is electrically connected to the auxiliary electrode.

Embodiments of the present disclosure generally relate to a display. More specifically, embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of overhang structures, each overhang structure including a first structure having a first portion opposing a second portion, a second structure disposed over the first structure, wherein an overhang of the second structure extends laterally past an upper surface of the first structure to define the overhang, and an auxiliary electrode is disposed partially under the second portion, and a plurality of sub-pixels defined by the plurality of overhang structures, each sub-pixel including an OLE material, and a cathode disposed over the OLE material, the cathode under the overhang disposed over the second portion of the first structure contacts the auxiliary electrode.

Disclosed are a display device and a manufacturing method of the display device. The display device includes a plurality of first thin film transistors, a plurality of second thin film transistors, and a plurality of third thin film transistors on a substrate, wherein the first thin film transistor includes a first active layer and a first gate electrode on the first active layer, wherein the second thin film transistor includes a second active layer and a second gate electrode on the second active layer, wherein the third thin film transistor includes a third active layer and a third gate electrode on the third active layer, wherein a distance between the second active layer and the second gate electrode is greater than a distance between the third active layer and the third gate electrode, wherein the first thin film transistor further includes a first auxiliary electrode between the substrate and the first active layer, and wherein the first auxiliary electrode is electrically connected to the first gate electrode.

This invention provides a multi-electrode coupled optoelectronic device, comprising a bottom electrode made of a low work function metal, a p-type semiconductor layer with light-absorbing function disposed on the upper surface of the bottom electrode, a thin insulating layer disposed on the upper surface of the light-absorbing p-type semiconductor layer, an n-type semiconductor layer with light-absorbing function disposed on the surface of the insulating layer, a top electrode made of a high work function metal and at least one auxiliary electrode disposed on the upper surface of the light-absorbing n-type semiconductor layer. This invention also provides a method for fabricating the multi-electrode coupled optoelectronic device and its application.

A light-emitting diode and a light-emitting diode display device are discussed. The light-emitting diode in some examples includes a semiconductor layer, a first element electrode on the semiconductor layer, a second element electrode on the semiconductor layer, a first auxiliary electrode connected to the first element electrode and located on one side surface of the light-emitting diode, a first protection layer on the first element electrode and the second element electrode, and a second protection layer on the first auxiliary electrode and the first protection layer.

The application belongs to the field of soil heavy metal remediation, and particularly relates to a carbon cloth supported polypyrrole / graphene oxide / zinc oxide auxiliary electrode for soil remediation and a preparation method thereof. A PPy / GO / ZnO ternary composite cluster 3D network structure material is prepared first; then the carbon cloth is soaked in a PPy / GO / ZnO ternary composite cluster 3D network structure material suspension, and is put into a reaction kettle to react to obtain an auxiliary electrode, which is put into a traditional electromotive remediation system to remediate various heavy metal contaminated soils by electrification. The addition of the auxiliary electrode can reduce the ion migration resistance in the soil system, improve the system current, accelerate the migration speed of heavy metal ions in the electromotive remediation system, make the electric field distribution more uniform, and produce a greater potential difference. Compared with the traditional electromotive remediation, the remediation efficiency is increased by 21% to 35%. The maximum removal rate of Pb, Cr, Cd, Cu and Ni reaches 57% to 90%.

The invention discloses a preparation method and application of a nickel-molybdenum polyacid-polymer-based self-supporting electrocatalyst with low platinum-carbon loading capacity, and relates to the technical field of electrocatalysts. The preparation method of the electrocatalyst comprises the following steps: weighing raw materials for preparing an electrolyte solution; comprising nickel sulfate, ammonium molybdate, chloroplatinic acid, borax, polyvinyl alcohol and chitosan. Uniformly mixing the raw materials with deionized water to obtain a nickel molybdenum polyacid solution, a borax solution and a PVA-CS solution, obtaining a target electrolyte solution, and soaking the target electrolyte solution with carbon paper; freezing and drying; performing carbonization; the treated carbon paper is used as a working electrode, a saturated calomel electrode is used as a reference electrode, and a graphite electrode is used as an auxiliary electrode; and platinum is electrodeposited on the carbon paper by adopting a cyclic voltammetry electrodeposition method to prepare the electrocatalyst. According to the prepared electrocatalyst, the cost can be reduced, the reaction kinetics of an alkaline solution and alkaline seawater can be improved, the overpotential can be reduced, the stability can be improved, and the alkaline seawater electrolysis process is more economical and efficient.

A display apparatus includes: a substrate; a first display element having a first emission area configured to emit light of a first color; first and second data lines between the substrate and the first display element, extending in a first direction, and overlapping at least a portion of the first emission area; and first and second auxiliary electrodes between the substrate and the first display element, overlapping at least a portion of the first emission area, and configured to receive a driving voltage, wherein a lengthwise direction of the first and second auxiliary electrodes is the first direction, and wherein the first and second data lines are between the first and second auxiliary electrodes spaced apart from each other in a second direction.

This invention discloses a bidirectional flow electrolytic cell and its series system, specifically relating to the field of chemical and environmental protection technology. The invention includes a main electrode electrolytic flow cell, which comprises an electrolytic cell shell. Several insertion slots for the auxiliary electrode electrolytic chamber are provided on the top surface of the shell. By connecting multiple main electrode electrolytic flow cells in series, this invention achieves bidirectional flow electrolysis, significantly increasing the volume of the electrolytic cell. Furthermore, the main electrode electrolytic flow cells in the entire series system are completely interconnected, allowing the electrolyte to flow through the main electrode electrolytic flow cells for a relatively long time. Each time the electrolyte passes through a section of the main electrode electrolytic flow cell, it undergoes repeated electrolysis, ensuring a more complete electrolysis reaction and enabling continuous flow electrolysis, thus improving the wastewater treatment capacity of electrolysis technology.

Provided are a MEMS-based material corrosion electrochemical measurement sensor, a preparation method therefor, and material corrosion electrochemical measurement equipment. The sensor includes a working electrode-auxiliary electrode module including a first silicon substrate, a working electrode and an auxiliary electrode, where the first silicon substrate is provided with a recess portion, and the working electrode, the auxiliary electrode and the recess portion form an accommodation space; and a reference electrode module including a second silicon substrate and a reference electrode, where the reference electrode is disposed on one side of the second silicon substrate and forms a protruding portion, and the second silicon substrate is provided with a through hole. The protruding portion is disposed in the accommodation space, and the first silicon substrate is fixedly connected to the second silicon substrate.

A display device and an electronic device including the display device are disclosed. The display device includes: a pixel circuit layer including a via layer; and auxiliary electrodes and pixel electrodes disposed on the via layer and spaced apart from each other. The via layer includes: a raised portion including a first flat portion and a second flat portion spaced apart from the first flat portion; and a recessed portion defining a groove recessed along the periphery of the raised portion. The auxiliary electrode includes: a first auxiliary electrode portion defining a first opening exposing a portion of the first flat portion; and a second auxiliary electrode portion defining a second opening exposing a portion of the second flat portion. The pixel electrode includes: a first pixel electrode disposed on the first flat portion exposed by the first opening; and a second pixel electrode disposed on the second flat portion exposed by the second opening.

Disclosed are a display substrate and a manufacturing method therefor, and a display device. The display substrate comprises: a base; a planarization layer provided on the base, the planarization layer being provided with at least one first auxiliary hole; an auxiliary electrode located on the side of the planarization layer close to the base, at least part of the auxiliary electrode being exposed by the first auxiliary hole; a light-emitting device layer located on the side of the planarization layer away from the base, the light-emitting device layer comprising a first electrode layer, a light-emitting structure layer, and a second electrode layer sequentially arranged in a direction moving away from the base, and the first electrode layer comprising a plurality of first electrodes spaced apart from each other; and a connection electrode located on the side of the second electrode layer close to the base, the connection electrode comprising a first connection portion located on the side wall of the first auxiliary hole and a second connection portion electrically connected to the auxiliary electrode, wherein the light-emitting structure layer is provided with a first hollow portion corresponding to the first connection portion, and a second electrode is electrically connected to the first connection portion by means of the first hollow portion.

This invention relates to a temperature-controlled stress electrochemical metal hydrogen permeation testing device and method. The testing device includes a hydrogen permeation electrolytic cell, a hydrogen efflux electrolytic cell, a first temperature control mechanism, a second temperature control mechanism, a tensile testing machine, a potentiostat, an auxiliary electrode, a reference electrode, and a working electrode. The hydrogen permeation electrolytic cell is equipped with a first temperature control mechanism for controlling the temperature of the hydrogen permeation electrolytic cell, and the hydrogen efflux electrolytic cell is equipped with a second temperature control mechanism for controlling the temperature of the hydrogen efflux electrolytic cell. The sidewalls of the hydrogen permeation electrolytic cell and the hydrogen efflux electrolytic cell are respectively provided with a first connecting pipe and a second connecting pipe. Both the hydrogen permeation electrolytic cell and the hydrogen efflux electrolytic cell are equipped with an auxiliary electrode and a reference electrode. The two ends of the working electrode are respectively connected to the tensile testing machine. The working electrode, the reference electrode, and the auxiliary electrode are respectively connected to the potentiostat. A sample is welded onto the working electrode. The hydrogen-filled surface and the hydrogen-effluxed surface of the sample are sealed to the first connecting pipe and the second connecting pipe through sealing gaskets.

The application discloses a display panel and a preparation method thereof, and a display device, and relates to the technical field of display. The display panel comprises a substrate, a pixel definition layer, a first pixel isolation column, a plurality of light emitting units, an electrode patterning layer and a third electrode pattern. The third electrode pattern and a first edge part of the second electrode pattern exposed by the electrode patterning layer are overlapped and connected with the first pixel isolation column, so that the first pixel isolation column serves as a cathode auxiliary electrode of the light emitting unit. Meanwhile, since the second electrode pattern of the light emitting unit is connected with the first pixel isolation column through the third electrode pattern, the second electrode pattern of the light emitting unit can receive a cathode signal through the first pixel isolation column, and the reliability of cathode signal receiving is improved.

The application discloses a device and method for electrochemically evaluating an oxidation layer of oriented silicon steel, which comprises an electrolytic cell, a magnet group arranged on one side of the electrolytic cell, a saturated calomel electrode and a platinum electrode arranged on the electrolytic cell, and an electrochemical workstation connected with the electrolytic cell; the magnet group comprises fixed magnets fixed on the electrolytic cell and movable magnets magnetically connected with the fixed magnets, and the movable magnets are arranged on the outlet of the side surface of the electrolytic cell; the reference electrode is arranged between the magnet group and the auxiliary electrode; and the reference electrode and the auxiliary electrode are connected with the electrochemical workstation. The evaluation method of the application calculates the dissolution electric quantity of each layer of the oxidation layer of the oriented silicon steel by electrochemically measuring the potential-time curve of the oriented silicon steel sample, realizes the rapid and accurate determination of each layer of the oxidation layer of the oriented silicon steel, and can distinguish the performance of the Mg2SiO4 glass film bottom layer, the SiN layer, the SiO2 layer, the FeO layer and the fayalite layer, thereby providing guidance for the control of the production process parameters of the oriented silicon steel.

The invention discloses a high-temperature, high-pressure and high-flux electrochemical testing device and method. The high-temperature, high-pressure and high-flux electrochemical testing device comprises a high-pressure kettle, a sample fixing plate, a plurality of samples, wires, a solid-state relay array, an electrochemical workstation and a three-electrode system, a plurality of fixing holes for mounting samples are formed in the sample fixing plate; the solid-state relay array is arranged outside the high-pressure kettle and is used for controlling and realizing independent conduction or switching of a plurality of channels; the three-electrode system comprises a working electrode, a reference electrode and an auxiliary electrode; the working electrode is a sample, the sample is electrically connected with an independent port of each channel of the solid-state relay array through a lead, and the samples are arranged at intervals; the electrochemical workstation is connected with the solid-state relay, the auxiliary electrode and the reference electrode, and is used for collecting electrochemical signals of multiple samples and realizing sequential or batch testing. According to the invention, independent measurement of multiple samples, automatic switching of channels and effective isolation of electric signals are realized, and the overall experiment efficiency and the accuracy of test data are improved.

A display substrate and a display apparatus. The display substrate includes an electrostatic discharge protection circuit, a power supply line, and at least one auxiliary electrode. The electrostatic discharge protection circuit includes multiple electrostatic discharge protection units, at least one of which extends along a first inclined direction, there is a first preset included angle between the first inclined direction and a first direction, the first direction is an extension direction of a scan signal line in the display region, the first preset included angle is greater than 0° and less than 90°; the first trace region includes the power supply line and at least one auxiliary electrode, an orthographic projection of the at least one auxiliary electrode on a display substrate plane is overlapped with that of the power supply line on the display substrate plane, the at least one auxiliary electrode is connected with the power supply line.

A display device includes a complementary metal oxide semiconductor (CMOS) wafer including a display area including unit areas and a boundary area between the unit areas, the display area having a lattice shape and a non-display area adjacent to the display area, light emitting diodes overlapping the unit areas, a flattening layer covering the light emitting diodes, an auxiliary electrode overlapping the boundary area and located in the flattening layer, a common electrode on the flattening layer and connected to the auxiliary electrode and the light emitting diodes, and a passivation layer covering the common electrode, wherein grooves recessed in a direction from an upper surface of the flattening layer toward the light emitting diodes are in the flattening layer overlapping the unit areas.