Abstract:
Disclosed is an electrofluidic support plate and a method for preparing the same, and an electrofluidic device comprising the support plate. The method comprises the following steps of: providing a substrate which has a surface provided with an electrode; arranging a first amorphous fluoropolymer layer on the surface of the substrate, and carrying out hydrophilic modification on a surface of the amorphous fluoropolymer layer; arranging pixel walls on the amorphous fluoropolymer layer after hydrophilic modification; arranging a second amorphous fluoropolymer layer which is a hydrophobic layer; the second amorphous fluoropolymer layer covering all surfaces of the pixel walls and a groove area encircled by the pixel walls; filling the groove area encircled by the pixel walls with a protective material; removing the second amorphous fluoropolymer layer not covered by the protective material and on a top of the pixel walls; and removing the protective material. With the method, problems that the ink does not return and reliability is poor due to damages of the surface of the hydrophobic layer can be solved. Moreover, the existing of gap between the hydrophobic material and the pixel walls is avoided, thus solving the problem of short-circuit of an upper support plate and a lower support plate due to the gap between the hydrophobic layer and the pixel walls. The disclosure can be applied to the electrofluidic device.
Abstract:
A visible light communication LED having a spiral inductance coil and a circular core is provided, comprising a sapphire substrate provided with a positive electrode welding spot and a negative electrode welding spot, and a plurality of LED cores deposited on the sapphire substrate. The negative electrode of a former core is connected with the positive electrode of a latter core, and the positive electrode of the first core and the negative electrode of the last core are respectively connected to the positive electrode welding spot and the negative electrode welding spot on the substrate. According to the present invention, each of the LED cores is surrounded by a spiral inductance coil, and a pin of one end of the spiral inductance coil is connected via a connecting wire with the negative electrode of an adjacent LED core, while the other end is directly connected with the positive electrode of the LED core that is surrounded by the spiral inductance coil.
Abstract:
A display structure having a high-brightness diffuse reflector, an electrowetting display structure based on the display structure, an in-cell type electrowetting display structure and a manufacturing method thereof are disclosed. The display structure comprises panel glass (1), a display layer (2) and substrate glass (3), wherein a high-brightness diffuse reflection polymer thin film material (4) is arranged under the substrate glass (3); the panel glass (1), the display layer (2), the substrate glass (3) and the diffuse reflection polymer thin film material (4) are stacked in sequence. According to the display structure and manufacturing method thereof of the invention, the required diffuse reflection and contrast ratio approximate to paper can be provided by placing a high-brightness diffuse reflection polymer thin film under a substrate or a display layer of a plate display structure as a diffuse reflection layer or a diffuse reflector.
Abstract:
An epitaxial wafer, a method of manufacturing the epitaxial wafer, a diode, and a current rectifier are provided. The epitaxial wafer comprises a Si substrate layer; an insulating layer formed on the Si substrate layer; and a nitride semiconductor layer formed on a surface of the insulating layer facing away from the Si substrate layer; wherein the insulating layer has a thickness configured such that under a forward bias voltage, the insulating layer may allow electrons and holes to pass from one side to the other side of the insulating layer via quantum tunneling so as to allow a forward current flow.
Abstract:
An ion removal device based on electrochemical and photoelectrochemical methods, and the application of energy conversion and storage are provided. In the ion removal process based on the electrochemical and photoelectrochemical fluidization battery device, the positive active material in the flow battery is the positive pole of device, the negative active material in the fluid battery is the negative pole of the device, and the salt solution is the electrolyte in the middle stream. The positive and negative active materials include organic materials such as 4-hydroxy-piperidinol oxide, riboflavin sodium phosphate or methyl viologen, which have the advantages of low raw material cost, environmental friendliness, high sustainability, excellent electrochemical performance, high specific capacity and good cycle stability etc. The electrolyte can be separated from the positive and negative active liquid flow materials according to the fixed sequence of self-assembly of fluid battery mold.
Abstract:
A magnetic soil remediation agent for soil heavy metal pollution and a preparation method and application thereof are provided. The magnetic soil remediation agent is prepared by using remediation agent framework material and magnetic core material as raw materials, and heavy metal collector as modifier; said framework material is silicon dioxide activated by strong alkali; said magnetic core material comprises magnetic materials Fe3O4 and γ-Fe2O3; said modifier comprises ethylenediaminetetraacetic acid (EDTA, nitrilotriacetic acid trisodium salt (NTA, (S,S)-ethylenediamine-N,N-disuccinic acid trisodium salt (EDDS) and mercaptoethylamine. The remediation agent of the present invention can effectively passivate the heavy metals in the soil, reduce their available contents, and inhibit the absorption of heavy metals by plants.
Abstract:
Disclosed are an epitaxial wafer and a method of fabricating the same, and an electrochemical sensor, wherein the reference electrode comprises: a substrate (11); an InGaN layer (12) formed on a surface of the substrate (11) and having an In content between 20% and 60% so as to ensure that a transition from negatively charged surface states to positively charged surface states occurs within a composition range; and an InN layer (13) formed on a surface of the InGaN layer (12) facing away from the substrate (11) to act as a stabilization layer. The InGaN layer (12) with an In content between 20% and 60% allows generation of an electrochemical response independent of the concentration of a solution to be detected; and in addition, the InN layer (13) with a high density of intrinsic, positively charged surface states further improves the electrochemical stability of the reference electrode.
Abstract:
The invention discloses a myrtle polysaccharide P1, the separation method thereof and the use in preparing hypolipidemic drugs therefor, wherein the P1 contains 6.74% of ribose, 1.73% of rhamnose, 60.06% of arabinose, 3.54% of xylose, 5.64% of mannose, 13.16% of glucose, and 9.13% of galactose. The experiment result shows that the myrtle polysaccharide P1 has a certain ability to bind cholate in vitro. Taking cholestyramine as a positive control and the binding rate of cholestyramine to each cholate as 100%, the relative binding rate of the myrtle polysaccharide P1 to sodium taurocholate, sodium glycocholate and sodium cholate was 25.28%, 44.56%, and 50.10%, respectively.
Abstract:
Provided is a method for preparing a battery separator coating material, the method comprising: dissolving PVDF and a covalent organic backbone material in an organic solvent and stirring same until uniform. The mass ratio of the PVDF to the covalent organic backbone material to N-methylpyrrolidone is 20: (70-85):(5-10). When the material is applied to preparation of a lithium ion battery separator, the problem of metal dissolution when a transition metal oxide is used as a positive electrode material can be effectively solved. The prepared separator can effectively adsorb metal ions and prevent the metal ions from being deposited on a negative electrode during charging and discharging processes, such that the cycle performance of a transition metal oxide positive electrode material is improved.
Abstract:
A total-reflection infrared reflection device and a preparation method thereof. The device includes two light-transmitting conductive substrates disposed oppositely, the two light-transmitting conductive substrates are packaged to form a seal cavity, in the seal cavity, opposite surfaces of the two light-transmitting conductive substrates are respectively coated with a first liquid crystal layer capable of reflecting left-handed polarized light and a second liquid crystal layer capable of reflecting right-handed polarized light, the first liquid crystal layer includes a polymer network and a cholesteric liquid crystal with a left-handed spiral structure, the second liquid crystal layer includes a polymer network and a cholesteric liquid crystal with a right-handed spiral structure, the cholesteric liquid crystal with the left-handed spiral structure can reflect left-handed polarized light, and the cholesteric liquid crystal with the right-handed spiral structure can reflect right-handed polarized light.