197 results about "Cell substrate" patented technology

[PROBLEMS] To provide a liquid crystal display device that does not need any surface aligning treatment, realizes striking increase of a response speed of movie display and is free from any light leakage (produce dark field) at black display.

[MEANS FOR SOLVING PROBLEMS] There is provided a liquid crystal display device comprising a pair of transparent substrates and, interposed therebetween, a polymer stabilized blue-phase liquid crystal. The liquid crystal display device utilizing the polymer stabilized blue-phase liquid crystal exhibits a large birefringence change upon application of an electric field to cell substrate in an in-plane direction. The polymer stabilized blue-phase liquid crystal is composed of a low-molecular liquid crystal capable of developing a blue phase between cholesteric phase and isotropic phase and a polymer network created in the low-molecular liquid crystal. Further, by optimizing the type and amount of chiral dopant added to the liquid crystal, there can be provided a liquid crystal display device that is free from any light leakage (produce dark field) at black display.

The present invention includes devices, systems, and methods for assaying cells using cell-substrate impedance monitoring. In one aspect, the invention provides cell-substrate impedance monitoring devices that comprise electrode arrays on a nonconducting substrate, in which each of the arrays has an approximately uniform electrode resistance across the entire array. In another aspect, the invention provides cell-substrate monitoring systems comprising one or more cell-substrate monitoring devices comprising multiple wells each having an electrode array, an impedance analyzer, a device station that connects arrays of individual wells to the impedance analyzer, and software for controlling the device station and impedance analyzer. In another aspect, the invention provides cellular assays that use impedance monitoring to detect changes in cell behavior or state. In some preferred aspects, the assays are designed to investigate the affects of compounds on cells, such as cytotoxicity assays. In other preferred aspects, the assays are designed to investigate the compounds that effect IgE-mediated responses of cells to antigens.

The invention discloses a solar cell, a screen printing plate and a solar cell module thereof, belonging to the technical field of photovoltaics. The solar cell of the invention comprises a cell substrate and an electrode, wherein the electrode is arranged on the substrate; the electrode comprises a main grid line; the construction of the line area of the main grid line is in a structure comprising at least one thin grid line to reduce the contact area between the main grid line and the substrate; the screen pringting plate provided by the invention is used for manufacturing the electrode of the solar cell of the invention by screen printing; and meshes for composing and forming the main grid line of the electrode are arranged on the screen printing plate. The solar cell module provided by the invention comprises a plurality of the solar cells provided by the invention. The solar cell and the solar cell module have low cost, and because the compound area between the metal electrode and the silicon in the cell structure is reduced, the conversion efficiency is improved, the output power of the module is increased, and in addition, the reliability after an interconnector is welded with a cell plate is good.

The invention discloses an organic carrier for conductive silver paste applied to a front face electrode and a grid line of a solar cell, a preparation method of the organic carrier, silver paste containing the organic carrier and a solar cell manufactured from the silver paste. The organic carrier comprises the following components in percentage by weight: 60-75 percent of solvent, 1-10 percent of thickener, 0.3-5 percent of thixotropic agent, 1-5 percent of surfactant and 10-30 percent of plasticizer. The preparation method of the organic carrier comprises the following steps of: weighing various raw materials; adding various aids into a solvent respectively; and heating and stirring until the aids are dissolved completely. The organic carrier has proper viscosity and a simple preparation process. Paste prepared from the organic carrier has proper viscosity, fineness, leveling property, thixotropy and chemical stability. After the paste is subjected to screen printing and sintering on a cell substrate, the thicknesses of a front face electrode and a grid line thick film of a cell panel can be over 20 micros, and the prepared electrode and the grid line thick film can obtain a higher height-width ratio.

The invention discloses lead-free glass powder, a preparation method thereof, silver paste containing the glass powder and a crystal silicon solar cell manufactured by using the silver paste. The lead-free glass powder comprises the following components in percentage by weight: 20-30 percent of SiO2, 2-15 percent of B2O3, 40-70 percent of Bi2O3, 1-10 percent of ZnO, 1-10 percent of Al2O3 and 1-5 percent of BaO. The preparation method comprises the following steps of: (1) weighing the components for preparing a mixture; (2) putting the mixture into a crucible for melting; (3) performing water quenching on molten glass; (4) drying; (5) smashing the mixture into powder by planetary ball milling; and (6) screening. The needed silver paste is prepared from the lead-free glass powder, silver powder, an additive and an organic carrier. A solar panel front face electrode and a grid line are manufactured by performing screen printing and sintering on conductive silver paste on a cell substrate, so that the needed solar cell is obtained. The lead-free glass powder has low melting temperature, low softening temperature and low linear expansion factor.

Novel methods for the texturing of photovoltaic cells is described, wherein texturing minimizes reflectance losses and hence increases solar cell efficiency. In one aspect, a microstamp with the mirror inverse of the optimum surface structure is described. The photovoltaic cell substrate to be etched and the microstamp are immersed in a bath and pressed together to yield the optimum surface structure. In another aspect, micro and nanoscale structures are introduced to the surface of a photovoltaic cell by wet etching and depositing nanoparticles or introducing metal induced pitting to a substrate surface. In still another aspect, remote plasma source (RPS) or reactive ion etching (RIE), is used to etch nanoscale features into a silicon-containing substrate.

An MTPV thermophotovoltaic chip comprising a photovoltaic cell substrate, micron/sub-micron gap-spaced from a juxtaposed heat or infrared radiation-emitting substrate, with a radiation-transparent intermediate window substrate preferably compliantly adhered to the photovoltaic cell substrate and bounding the gap space therewith.

An interconnector includes an extending portion extending in one direction and a connection portion fixed to an n electrode or a p electrode formed on a cell substrate of a photoelectric conversion element for connection to this electrode. The connection portion is formed in a comb shape so as to protrude from the extending portion in a direction substantially orthogonal to the one direction. Though the extending portion is in contact with the cell substrate, it is not fixed to the cell substrate. By not fixing the extending portion to the cell substrate, stress involved with heat shrinkage can be released and a degree of freedom in arrangement of the n electrode and the p electrode formed on the photoelectric conversion element can be enhanced.

An optical member is made from an optical material either one of or each of two surfaces of which is coated with a pressure sensitive adhesion layer having a 1000% elastic modulus in a range of from 3 g/mm2 to 10 g/mm2 at 90° C. The optical member exhibits characteristic in which the quantity of curl is not larger than 3 mm per 12 inches when the optical member adhesively bonded to a resin substrate through the pressure sensitive adhesion layer is heated at 80° C. for 150 hours. A cell substrate comprises a resin substrate having a curl quantity of not larger than 3 mm per 12 inches when an optical member is heated at 80° C. for 150 hours after the optical member is adhesively bonded to the resin substrate through the pressure sensitive adhesion layer. A liquid-crystal display wherein an optical member is adhesively bonded, through a pressure sensitive adhesion layer of the optical member, to either one of or each of two surfaces of a liquid-crystal cell is formed by use of the cell substrate.

The invention relates to a cell chip technology based on cell printing technology and multi-sensor integrated chip technology and application of the cell chip technology in high content medicine screening. An integrated cell MEA (Microelectrode Array) is constructed on glass or a silicon substrate by utilizing micro-electronics processing technology, and an ECIS (Electric Cell-Substrate Impedance System) comprises a disc type ECIS and an IDA (Interdigitated Array). By an arrayed chip of three sensing units, different cells and special imitated extracellular substrate material are mixed, and are positioned and printed at the assigned position in the MEA by a multi-nozzle cell printing device so as to construct the cell chip. A cell sensor on the chip is used for transmitting and recording the static and dynamic parameters such as cell action potential frequency, amplitude, wave form, network signal transmitting speed, cell attaching, moving state and the like. The invention provides a method applying the three-dimensional cell chip for medicine screening.

A process integration is disclosed for fabricating non-volatile memory (NVM) cells (105-109, 113-115) on a first flash cell substrate area (111) which are encapsulated in one or more planar dielectric layers (116) prior to forming an elevated substrate (117) on a second CMOS transistor area (112) on which high-k metal gate electrodes (119-120, 122-126, 132, 134) are formed using a gate-last HKMG CMOS process flow without interfering with the operation or reliability of the NVM cells.

A method of manufacturing a display device according to one aspect of the present invention is a method of manufacturing a display device including a liquid crystal interposed between a CF substrate and a TFT substrate that are opposed to each other, the method including the steps of: bonding the CF substrate and the TFT substrate each having a mother substrate shape to form a cell substrate from which at least one panel is to be cut out; forming, after formation of the cell substrate, a parallax barrier layer for separating a display image on an outer side of the cell substrate at a side of one of the CF substrate and the TFT substrate; and dividing, after formation of the parallax barrier layer, the cell substrate into at least one panel.

Methods of assessing cytolysis of cancer cells, including providing a cell-substrate impedance monitoring device operably connected to an impedance analyzer, wherein the device comprises a well for receiving cells and an electrode array at a base of the well; adding target cells characterized as cancer cells to the well; adding effector cells to the well to form a test well, wherein the effector cells are immune cells obtained or derived from a same patient as the target cells; monitoring cell-substrate impedance of the test well before and after adding the effector cells and optionally deriving an impedance-based parameter from the impedance; and determining effectiveness of effector cell killing of the target cells by comparing the impedance or impedance based parameter over time.

The present invention includes a method of measuring cytolytic activity including providing a device capable of monitoring cell-substrate impedance operably connected to an impedance analyzer, adding target cells to at least one well of the device, adding effector cells to the at least one well, monitoring impedance of the at least one well and optionally determining a cell index from the impedance, wherein monitoring impedance includes measuring impedance during at least one time point before and at least one time point after adding effector cells, and determining viability of said target cells after adding effector cells by comparing the impedance or optionally the cell index at the at least one time point after adding effector cells to the impedance or optionally the cell index at the at least one time point before adding effector cells

The invention discloses liquid-based thin-layer cell preservation solution and use thereof. The preservation solution comprises 5 to 28 volume percent of aldehyde solution, 0.1 to 3 volume percent of acid solution, 0.1 to 6 mass volume percent of chloride, 0.1 to 3 mass volume percent of tris(hydroxymethyl)aminomethane and the balance volume percent of double distilled water. The preservation solution of the invention can remove red blood cells, preserve white blood cells, timely fix the original state of cells of diagnostic value, soften mucilage and epidermal tissues, weaken mucous effect and separate effective cells from mucilage. The microscopic examination piece manufactured by using the preservation solution has clear microscopic examination view field and high cellular staining contrast and is widely suitable for gynecological and non-gynecological exfoliative cytological specimens and manual, semi-automatic or fully-automatic liquid-based cell substrate making processes. The production cost of the preservation solution is low, so the application and promotion of a liquid-based thin-layer cell detection technique are convenient.

The invention relates to a thin film solar cell assembly and a fabrication method thereof, and specifically relates to an interconnected flexible solar cell and a fabrication method thereof. The flexible solar cell comprises at least two flexible solar cell units. Each flexible solar cell unit comprises a flexible cell substrate, a semiconductor material layer and a light receiving layer which are stacked successively. The light receiving layer is provided with a conductive bus bar. In two adjacent flexible solar cell units, the edge of the light receiving layer of one flexible solar cell unit is overlapped with the edge of the flexible cell substrate of the other flexible solar cell unit. A conductive connection structure is arranged between the conductive bus bar on the light receiving layer and the flexible cell substrate. The invention further discloses a fabrication method of the interconnected flexible solar cell. According to the invention, the advantage of easy process operation can be realized, the ohmic contact is easy to form, the light receiving area of the solar cell can be increased, and the advantage of good safety performance can be realized.