Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device showing excellence in color purity, solubility, heat stability, driving voltage, current efficiency, and power efficiency, as well as remarkably improved lifespan.

Abstract: Phosphorescent iridium complexes comprising multi-alkyl-substituted aza-DBF and 2-phenylpyridine ligands is disclosed. These complexes are useful as emitters for phosphorescent OLEDs.

Abstract: Platinum, palladium, and gold complexes suitable for use as phosphorescent emitters or as delayed fluorescent and phosphorescent emitters having one of the following structures:

Abstract: A compound containing a partial structure of Formula I: is provided. In the structure of Formula I, M is a metal with an atomic number of at least 40; RA, RB, and RC are each independently 5 or 6 membered aryl or heteroaryl rings; R1, R2, R3, and A are each independently selected from a variety of substituents and combinations thereof; A is optionally bonded to RA or RC to form a fused ring; X1 is B, C, N, O, S or Se; X2-X7 are independently B, C or N; and Y1-Y2 are independently C or N. Formulations and devices, such as an OLEDs, that include the compound containing a structure of Formula I are also described.

Abstract: Provided is a stretchable substrate, an electronic apparatus, and a method of manufacturing the electronic apparatus. The stretchable substrate includes a base part, first parts extruded from the base part, and second parts disposed between two adjacent first parts. The second parts have top surfaces positioned lower than the top surfaces of the first parts, and have wrinkles with random distribution.

Abstract: A transparent electrode includes a conductive polymer layer, and plural carbon fibers having a diameter larger than the thickness of the conductive polymer layer, in which the carbon fibers are partially embedded in the conductive polymer layer. An organic electronic device includes the transparent electrode.

Abstract: The present invention relates to an organic light emitting device, and comprises a first cathode, a second cathode, and an anode provided between the first cathode and the second cathode, in which a first light emitting unit is provided between the first cathode and the anode, a second light emitting unit is provided between the second cathode and the anode, and the first light emitting unit and the second emitting unit are connected in parallel with each other, the first light emitting unit comprises a first light emitting layer, and an organic material layer comprising the compound represented by Formula 1 is provided between the first light emitting layer and the anode, and the second light emitting unit comprises a second light emitting layer, and an organic material layer comprising the compound represented by Formula 1 is provided between the second light emitting layer and the anode.

Abstract: An electroluminescent element which can easily control the balance of color in white emission (white balance) is provided according to the present invention. The electroluminescent element comprises a first light-emitting layer containing one kind or two or more kinds of light-emitting materials, and a second light-emitting layer containing two kinds of light-emitting materials (a host material and a phosphorescent material) in which the phosphorescent material is doped at a concentration of from 10 to 40 wt %, preferably, from 12.5 to 20 wt %. Consequently, blue emission can be obtained from the first light-emitting layer and green and red (or orange) emission can be obtained from the second light-emitting layer. An electroluminescent element having such device configuration can easily control white balance since emission peak intensity changes at the same rate in case of increasing a current density.

Abstract: Embodiments of the present invention relate to a technical field of display device and provide a bearing frame for a display panel and a display device, which can reduce the occurrence of the damage of the display panel by the vibration when transporting and assembling the display panel and thus increase the useful life of the display device. The bearing frame for a display panel comprises a bottom plate and a plurality of side plates, the bottom plate and the plurality of side plates enclosing a bearing space for accommodating the display panel, wherein an accommodating slot is disposed in the bottom plate and a cushion is disposed in the accommodating slot, and the thickness of the cushion is no less than the depth of the accommodating slot.

Abstract: An OLED substrate (1) and a preparation method therefor, an OLED panel, and an OLED display apparatus. An inter-layer insulation layer (12) is formed in an edge area of the OLED substrate (1), and a concave is formed on the surface of the inter-layer insulation layer (12), so that the lateral tensile-resistance strength of the inter-layer insulation layer (12) and a package substrate can be increased, i.e. increasing a lateral tensile-resistance force between the OLED substrate (1) and the package substrate, thereby improving the stability of the OLED panel, ensuring the sealing effect of the OLED panel and improving the service life of the OLED panel.

Abstract: Embodiments of this disclosure provide an encapsulating material, an encapsulating cover plate, a sintering equipment, a sintering method, and a display apparatus, and relate to the technical field of display. This encapsulating material comprises a leveling auxiliary material, wherein the leveling auxiliary material is used to move upon excitation so as to level the encapsulating material when the encapsulating material is subjected to sintering, and is thus used in the encapsulation of a cover plate to be encapsulated and an encapsulating cover plate.

Abstract: The present invention relates to a method for manufacturing a light extraction substrate for an organic light emitting diode, a light extraction substrate for an organic light emitting diode, and an organic light emitting diode comprising same, and more specifically, to a method for manufacturing a light extraction substrate for an organic light emitting diode, a light extraction substrate for an organic light emitting diode, and an organic light emitting diode comprising same, the method capable of complicating or diversifying the path of a light that is emitted by forming cracks on a matrix layer that can induce scattering of the light emitted from the organic light emitting diode, thereby further improving light extraction efficiency of the organic light emitting diode.

Abstract: An organic light-emitting display apparatus includes a substrate, a display unit formed on the substrate and including a plurality of emission regions, an encapsulant formed on the display unit and including at least one organic layer and at least one inorganic layer; and a plurality of reflectors formed on the encapsulant and disposed to respectively overlap at least regions around the plurality of emission regions.

Abstract: Preparation of semiconductor nanocrystals and their dispersions in solvents and other media is described. The nanocrystals described herein have small (1-10 nm) particle size with minimal aggregation and can be synthesized with high yield. The capping agents on thews-synthesized nanocrystals as well as nanocrystals which have undergone cap exchange reactions result in the formation of stable suspensions in polar and nonpolar solvents which may then result in the formation of high quality nanocomposite films.

Abstract: For a flexible, optically clear display stack, an adhesive, a system, and a method are provided. The adhesive is formed of polymer chains, at least a portion of which are cross-linked, a non-volatile diluent having a volume % in the range of between about 40 and 95, and is characterized with a low shear modulus of less than 10 kPa. The system is formed by at least first and second optically clear thin films with the adhesive disposed between the first and second thin films. The method includes the steps to form the system.

Abstract: Provided is a light-emitting device which can emit monochromatic light with high purity due to a microcavity effect and which can emit white light in the case of a combination of monochromatic light. Provided is a high-definition light-emitting device. Provided is a light-emitting device with low power consumption. In a light-emitting device with a white-color filter top emission structure, one pixel is formed of four sub-pixels of RBGY, an EL layer includes a first light-emitting substance which emits blue light and a second light-emitting substance which emits light corresponding to a complementary color of blue, and a semi-transmissive and semi-reflective electrode (an upper electrode) is formed so as to cover an edge portion of the EL layer.

Abstract: An organic light emitting display device has a display region and a first peripheral region surrounding at least one side of the display region. The organic light emitting display device includes a first substrate a first substrate, a plurality of pixels on the first substrate, the plurality of pixels being included in the display region, at least one of the plurality of pixels including an organic light emitting element, and a driving circuit on the first substrate and in the first peripheral region. At least one of the pixels includes a first transmission portion and at least one light emitting portion, and the first peripheral region includes at least one second transmission portion.

Abstract: A display device includes a first substrate provided with a display region including a plurality of pixels arranged in a matrix, each of the plurality of pixels having a plurality of sub-pixels, and a second substrate provided with color filters and a light-shielding film, the color filters including transmission regions selectively transmitting lights of specific colors for the respective sub-pixels, the light-shielding film blocking light. The plurality of sub-pixels include a first sub-pixel provided with the transmission region that transmits light of a first color, and a second sub-pixel provided with the transmission region that transmits light of a second color having a luminosity factor lower than that of the light of the first color. A difference in area between a light-emitting region and the transmission region in the second sub-pixel is smaller than a difference in area between a light-emitting region and the transmission region in the first sub-pixel.

Abstract: A light-emitting composition comprising a mixture of a fluorescent light-emitting material a triplet-accepting copolymer comprising a triplet-accepting repeat unit and a repeat unit of formula (I): wherein A is a divalent group; R1 independently in each occurrence is a substituent; R2 in each occurrence is H or a substituent; and x independently in each occurrence is 0, 1, 2 or 3.

Abstract: A method of manufacturing an organic light emitting display includes forming a first light-emitting layer on a substrate, forming a first portion of a second light-emitting layer on the first light-emitting layer, forming a third light-emitting layer on the first light-emitting layer, and forming a second portion of the second light-emitting layer on the first portion of the second light-emitting layer.

Abstract: A packaging material for a cell including a laminated article having at least a coating layer, a barrier layer, and a sealant layer in the stated order, wherein: the coating layer has at least three layers including a first, second and third coating layer, and is disposed so that the first coating layer is positioned as the outermost layer and the third coating layer is positioned on the barrier-layer-side; and the first coating layer, the second coating layer, and the third coating layer are formed from a cured product of a resin composition containing a heat-curing resin and a curing accelerator so as to sufficiently exhibit a specific hardness, whereby the thickness can be reduced, exceptional chemical resistance, moldability, and inter-layer adhesion between the barrier layer and the coating layer can be obtained, and the lead time can be reduced to enable an improvement in production efficiency.

Abstract: A battery module mounting system includes a housing of the battery module configured to receive a plurality of electrochemical cells, a lid coupled to a side of the housing, and a cage configured to secure the housing to a vehicle. Additionally, the cage includes a coupling mechanism configured to engage with the lid in a tongue and groove configuration to block movement of the housing in at least three directions when engaged.

Abstract: Methods, stacks and electrochemical cells are provided, in which the cell separator is surface-treated prior to attachment to the electrode(s) to form binding sites on the cell separator and enhance binding thereof to the electrode(s), e.g., electrostatically. The cell separator(s) may be attached to the electrode(s) by cold press lamination, wherein the created binding sites are configured to stabilize the cold press lamination electrostatically—forming flexible and durable electrode stacks. Electrode slurry may be deposited on a sacrificial film and then attached to current collector films, avoiding unwanted interactions between materials and in particular solvents involved in the respective slurries. Dried electrode slurry layers may be pressed or calendared against each other to yield thinner, smother and more controllably porous electrodes, as well as higher throughput. The produced stacks may be used in electrochemical cells and in any other type of energy storage device.

Abstract: The present invention refers to a separator for an electrochemical device and an electrochemical device having the same. More specifically, the separator of the present invention comprises a porous substrate; a first porous coating layer formed on one surface of the porous substrate and comprising a mixture of inorganic particles and a first binder polymer; and a second porous coating layer formed on the other surface of the porous substrate and comprising a product obtained by drying a mixture of a solvent, a non-solvent and a second binder polymer. Such separator of the present invention can have good thermal safety due to a porous organic-inorganic coating layer formed on one surface thereof, and superior adhesiveness due to a porous coating layer made of a binder thin film formed by applying and drying a mixture of a binder polymer and a non-solvent on the other surface thereof.

Abstract: An energy storage apparatus includes energy storage devices each of which including an electrode assembly, a current collector connected to the electrode assembly, a terminal plate including a through hole, and a metal-made fastening member which fastens the terminal plate and the current collector to each other, and a bus bar physically connected to the terminal plate at a contacting surface of the bus bar and the terminal plate. The metal-made fastening member includes a body portion fixed to the current collector, a shaft portion extending from the body portion and passing through the through hole, and a swaged portion formed on the shaft portion outside the energy storage devices and fixing the terminal plate between the swaged portion and the body portion in a sandwiching manner.

Abstract: A rechargeable battery includes an electrode assembly having electrodes located on either side of a separator; a case housing the electrode assembly; a cap plate sealing the case; a lead tab that is connected to each of the electrodes; and a terminal that is connected to a respective lead tab and protrudes from the case through a terminal hole, wherein the terminal comprises a different material than the lead tab, and wherein an insulating portion is located between the terminal and the cap plate.

Abstract: Pull tab assemblies and related components and methods are disclosed herein. Some pull tab assemblies are configured to selectively interrupt and reestablish connections between a battery and a battery contact of an electronic circuit. Some pull tab assemblies include perforated pull tabs and/or pull tabs in which a proximal portion of the pull tab is configured to be cut or removed. Some pull tabs are designed to remain within a slot of the housing to impede fluid entry into the housing. Some methods disclosed herein involve programming memory that is disposed within a housing of a pull tab assembly or device.

Abstract: Disclosed herein is a secondary battery having an electrode assembly mounted in a prismatic container, wherein the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container includes an upper part having a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward and a lower part having a non-chamfered structure continuously formed from the chamfered structure, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member deformed into a shape corresponding to the electrolyte injection hole comes into tight contact with the chamfered structure due to shear stress between the chamfered structure and the sealing member and forms a sealed state due to frictional interaction between the non-chamfered structure and the sealing member.

Abstract: A battery core includes an anode electrode collector and a cathode current collector. The battery core is created by defining an anode solution cavity on an anode electrode collector; defining a cathode solution cavity on a cathode electrode collector; depositing an anode solution into the anode solution cavity; depositing a cathode solution into the cathode solution cavity; curing the anode solution within the anode solution cavity; and curing the cathode solution within the cathode solution cavity. The anode electrode collector and the cathode current collector may be combined in a sandwich configuration and may be separated by one or more separators.

Abstract: Variations of the invention provide an improved aluminum battery consisting of an aluminum anode, a non-aqueous electrolyte, and a cathode comprising a metal oxide, a metal fluoride, a metal sulfide, or sulfur. The cathode can be fully reduced upon battery discharge via a multiple-electron reduction reaction. In some embodiments, the cathode materials are contained within the pore volume of a porous conductive carbon scaffold. Batteries provided by the invention have high active material specific energy densities and good cycling stabilities at a variety of operating temperatures.

Abstract: A method for making a thin film lithium ion battery is provided. A cathode material layer and an anode material layer are provided. A carbon nanotube array is applied to a surface of the cathode material layer and pressed to form a first carbon nanotube layer on the surface of the cathode material layer to obtain a cathode electrode. A second carbon nanotube layer is formed on a surface of the anode material layer to obtain an anode electrode. A solid electrolyte layer is applied between the cathode electrode and the anode electrode to form a battery cell. At least one battery cell is then encapsulated in an external encapsulating shell.

Abstract: Disclosed is a method of preparing a cathode electrode material for a secondary battery, including a hydrate precursor preparation step of preparing a manganese phosphate hydrate precursor using a coprecipitation process, a synthetic powder preparation step of preparing a synthetic powder by mixing the manganese phosphate hydrate precursor in a powder form with lithium phosphate and carbon, an oxide material powder preparation step of preparing a lithium manganese phosphate oxide material powder by milling and annealing the synthetic powder, a composite powder preparation step of preparing a composite powder by mixing the lithium manganese phosphate oxide material powder with a Li2MnO3-based cathode material, and a slurry preparation step of preparing a slurry by mixing the composite powder with a conductor and a binder.

Abstract: A non-aqueous electrolyte secondary battery has the internal resistance of 10 m?/Ah or less (SOC of 50%) and has a power generating element containing the following: a positive electrode obtained by forming, on the surface of a positive electrode current collector, a positive electrode active substance layer containing a positive electrode active substance; a negative electrode obtained by forming, on the surface of a negative electrode current collector, a negative electrode active substance layer containing a negative electrode active substance; and a separator. The positive electrode active substance is made to contain a spinel type lithium manganese composite oxide and a lithium nickel-based composite oxide, and the mixing ratio of the lithium nickel-based composite oxide is 50 to 70% by weight relative to the total 100% by weight of the spinel type lithium manganese composite oxide and the lithium nickel-based composite oxide.

Abstract: The present invention is directed to lithium-sulfur batteries exhibiting a high capacity, high cycle life with low production cost and improved safety.

Abstract: An object of the present invention is to provide a method for producing active material composite particles having a dense coating layer. In the present invention, the above object is achieved by providing a method for producing an active material composite particle, the method comprising steps of: a coating step of coating a surface of an active material with a precursor solution of a Li ion conductive oxide to form a precursor layer; a heat treatment step of performing heat treatment on the precursor layer to form a coating layer comprising the Li ion conductive oxide; and a compression shearing treatment step of performing compression shearing treatment on the coating layer.

Abstract: An electrochemical cell in one embodiment includes a negative electrode, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode; and an active material particle within the positive electrode, the active material particle including an outer shell defining a core with a substantially constant volume and including a form of oxygen, the outer shell substantially impervious to oxygen and pervious to lithium.

Abstract: Provided is an all-solid lithium ion secondary battery including a sintered body including a solid electrolyte layer and a positive electrode layer and a negative electrode layer which are stacked alternately with the solid electrolyte layer interposed therebetween, wherein: the positive electrode layer, the negative electrode layer, and the solid electrolyte layer include a compound containing lithium and boron; and a content of lithium and boron contained in the compound to a total of a positive electrode active material included in the positive electrode layer, a negative electrode active material included in the negative electrode layer, and a solid electrolyte included in the solid electrolyte layer is respectively 4.38 mol % to 13.34 mol % in terms of Li2CO3 and 0.37 mol % to 1.11 mol % in terms of H3BO3.

Abstract: The object of the present invention is to provide electrolytic manganese dioxide excellent in the middle rate discharge characteristic as compared with conventional electrolytic manganese dioxide, and a method for its production and its application. Electrolytic manganese dioxide characterized in that the potential as measured in a 40 wt % KOH aqueous solution by using a mercury/mercury oxide reference electrode as a standard is higher than 250 mV and less than 310 mV, and the volume of pores having a pore diameter of at least 2 nm and at most 50 nm is at most 0.0055 cm3/g. Of such electrolytic manganese dioxide, the volume of pores having a pore diameter of at least 2 nm and at most 200 nm is preferably at most 0.0555 cm3/g.

Abstract: An energy storage device may provide a positive electrode, an electrolyte, and a negative electrode. The energy storage device may utilize an aqueous alkaline electrolyte, which may be nonflammable. The energy storage device may utilize organic material(s) as the negative electrode, such as, but not limited to, poly(anthraquinonyl sulfide) (PAQS), organic carbonyl compounds, organosulfur compounds, redox polymers, or radical polymers.

Abstract: A manufacturing method of a battery electrode includes: (1) mixing Li2S particles with a binder to form a slurry, the binder including at least one of: (a) an ester moiety, (b) an amide moiety, (c) a ketone moiety, (d) an imine moiety, (e) an ether moiety, and (f) a nitrile moiety; and (2) disposing the slurry on a current collector.

Abstract: Disclosed herein is an artificial solid electrolyte interface (SEI) cathode material for use in a rechargeable battery, particularly a lithium battery. The artificial SEI cathode material includes in its structure, a cathode material, and a conductive polymer/carbon composite encapsulating the cathode material for forming an artificial solid electrolyte interface (SEI) around the cathode in the secondary battery, in which the conductive polymer/carbon composite is no more than 5% by weight of that of the artificial cathode material. Also provided herein is a lithium secondary battery including a cathode formed from the artificial SEI cathode material that renders the lithium secondary battery a reduced level of equivalent series resistance (ESR), an enhanced level of capacitance, and a long cycle life-time.

Abstract: A positive electrode for a secondary battery wherein the electrode includes a collector and a positive electrode active material layer which is stacked upon the collector, and which includes a positive electrode active material, a conductive agent, and a binder; the binder includes a first polymer and a second polymer; the first polymer is a fluorine-containing polymer; the second polymer includes a polymerized moiety having a nitrile group, a polymerized moiety having a hydrophilic group, a polymerized (meth)acrylic acid ester moiety, and a straight-chain polymerized alkylene moiety having a carbon number of at least 4; the proportion of the first polymer and the second polymer in the binder, expressed as a mass ratio, is in the range of 95:5 to 5:95.

Abstract: An electrode binder of a lithium ion battery comprising: (a) a polyvinylidene binder dispersed in an organic diluent with (b) a (meth)acrylic polymer dispersant. The binder can be used in the assembly of electrodes of lithium ion batteries.

Abstract: The present invention relates to a conducting material composition capable of forming an electrode in which at least two kinds of carbon based materials are contained in a uniformly dispersed state to enable a battery such as a lithium rechargeable battery having more improved electrical and lifetime characteristics to be provided, and a slurry composition for forming an electrode of a lithium rechargeable battery and a lithium rechargeable battery using the same. The conducting material composition contains: at least two kinds of conductive carbon-based materials selected from the group consisting of carbon nano tube, graphene, and carbon black; and a dispersant containing a plurality kinds of poly aromatic hydrocarbon oxides, wherein the dispersant contains poly aromatic hydrocarbon oxides having a molecular weight of 300 to 1000 at a content of 60 wt.% or more.

Abstract: A secondary-battery current collector comprising an aluminum foil and a film containing an ion-permeable compound and carbon fine particles formed thereon or a secondary-battery current collector comprising an aluminum foil, a film containing an ion-permeable compound and carbon fine particles formed thereon as the lower layer, and a film containing a binder, carbon fine particles and a cathodic electroactive material formed thereon as the upper layer, a production method of the same, and a secondary battery having the current collector are provided.

Abstract: Cathodes for lithium-sulfur batteries inhibit the parasitic polysulfide shuttle effect. The cathodes contain an active material support having a transition metal-containing nitrogen doped carbon developed to host the sulfur and suppress the diffusion of polysulfides into the electrolyte by retaining them in the high surface area nanostructured pores of the carbon while the transition metals serve as anchors for the soluble species due to the transition metals' affinity for sulfur. The cathodes 12 are gram scalable and have high surface area and high conductivity. The cathode active material support includes a nitrogen-containing polymer structure doped with a sulfide precursor of one or more transition metals selected from the group containing Fe, V, Mo, W, Co, Ni, Cu and Zn.

Abstract: A method for manufacturing a metal gas diffusion layer made of a metal porous body, the method includes forming a conductive layer of carbon film layer on the metal porous body, and forming a water-repellent layer on the metal porous body formed with the conductive layer. The forming a water-repellent layer includes coating a solution containing a fluorine resin which constitutes the water-repellent layer and a volatile component which does not constitute the water-repellent layer on the metal porous body, and heat-treating the metal porous body coated with the solution at or above a temperature at which a component which contains the volatile component and which does not constitute the water-repellent layer contained in the solution and less than a temperature at which an electrical resistance of the conductive layer is increased and electron conductivity is deteriorated to thereby form the water-repellent layer composed of the fluorine resin.

Abstract: The present invention concerns a flat battery comprising a package formed by a cathode, an anode, and a separator layer sandwiched between the cathode and the anode, a sealing frame extending circumferentially around said package, a first current collector contacting the anode, and a second current collector contacting the cathode. The first and second current collectors each partly cover the sealing frame in a zone being adjacent to the package. According to the invention, the battery further comprises a first polymeric jacket layer being arranged on the first current collector and a second polymeric jacket layer being arranged on the second current collector, said first and second polymeric jacket layers extending circumferentially beyond the current collectors and beyond the sealing frame and being sealed together to form an outer jacket for the battery. Furthermore, the present invention also concerns a method to produce such a battery.

Abstract: The present invention provides: a non-aqueous electrolyte for an electrochemical device, having ion conductivity sufficient for practical use and capable of improving energy density; a method for producing the same; and an electrochemical device using the same. The non-aqueous electrolyte for an electrochemical device includes a non-aqueous solvent and an alkaline earth metal chloride. The alkaline earth metal chloride is dissolved in an amount of 0.015 mol or more relative to 1 mol of the non-aqueous solvent. The total content of the non-aqueous solvent and the alkaline earth metal chloride is 70 mass % or more in the non-aqueous electrolyte.

Abstract: Battery fretting or corrosion in a key fob is reduced or even eliminated by firmly holding the fob's battery against electrical contacts and holding the battery away from key fob components that are subject to deformation or deflection. Reduced battery movement relative to electrical contacts thus reduces or eliminates abrasion of the battery's electrically conductive surfaces.