03rd week of 2022 patent applcation highlights part 57 |
Patent application number | Title | Published |
20220020891 | Systems and Methods for Three-Terminal Tandem Solar Cells - Systems and methods of three-terminal tandem solar cells are described. Three-terminal metal electrodes can be formed to contact subcells of the tandem solar cell. The three-terminal tandem cell can improve the device efficiency to at least 30%. | 2022-01-20 |
20220020892 | METHOD FOR MANUFACTURING A DETECTION STRUCTURE WITH AN OPTIMISED ABSORPTION RATE, AND SAID STRUCTURE - A method for forming a detection structure for detecting electromagnetic radiation includes an MOS transistor as a transducer. The method is based on the use of lateral extension elements as a doping mask for the semiconductor layer of the transistor and an etching mask for the same semiconductor layer, in order to provide contact portions of a drain and a source of the transistor. | 2022-01-20 |
20220020893 | SYSTEM AND METHODS FOR MANAGING HEAT IN A PHOTONIC INTEGRATED CIRCUIT - In part, in one aspect, the disclosure relates to a system including a photonic integrated circuit (PIC) assembly, comprising a PIC comprising: a first bond pad disposed inward from an edge of the PIC a first distance; and a first wire having a first length, the first wire electrically connected to the first bond pad and extending therefrom, wherein the first distance is greater than 0.4 mm. | 2022-01-20 |
20220020894 | SOLAR CELL EMITTER REGION FABRICATION USING SUBSTRATE-LEVEL ION IMPLANTATION - Methods of fabricating solar cell emitter regions using substrate-level ion implantation, and resulting solar cells, are described. In an example, a method of fabricating a solar cell involves forming a lightly doped region in a semiconductor substrate by ion implantation, the lightly doped region of a first conductivity type of a first concentration. The method also involves forming a first plurality of dopant regions of the first conductivity type of a second, higher, concentration by ion implantation, the first plurality of dopant regions overlapping with a first portion of the lightly doped region. The method also involves forming a second plurality of dopant regions by ion implantation, the second plurality of dopant regions having a second conductivity type of a concentration higher than the first concentration, and the second plurality of dopant regions overlapping with a second portion of the lightly doped region and alternating with but not overlapping the first plurality of dopant regions. | 2022-01-20 |
20220020895 | ROLL-TO-ROLL METALLIZATION OF SOLAR CELLS - Disclosed herein are approaches to fabricating solar cells, solar cell strings and solar modules using roll-to-roll foil-based metallization approaches. Methods disclosed herein can comprise the steps of providing at least one solar cell wafer on a first roll unit and conveying a metal foil to the first roll unit. The metal foil can be coupled to the solar cell wafer on the first roll unit to produce a unified pairing of the metal foil and the solar cell wafer. We disclose solar energy collection devices and manufacturing methods thereof enabling reduction of manufacturing costs due to simplification of the manufacturing process by a high throughput foil metallization process. | 2022-01-20 |
20220020896 | INFRARED LIGHT EMITTERS BASED ON INTERBAND TUNNELING IN UNIPOLAR DOPED N-TYPE TUNNELING STRUCTURES - A unipolar-doped light emitting diode or laser diode is described. The diode includes a bottom region having an n-type layer, a top region having an n-type layer, and a middle region between the top and bottom regions having at least one material different from the top or bottom region forming two or more heterojunctions. The top and bottom regions create light emission by interband tunneling-induced photon emission. Systems including the unipolar-doped diode including LIDAR are also taught. | 2022-01-20 |
20220020897 | LIGHTING MODULE AND LIGHTING APPARATUS HAVING SAME - Lighting module disclosed in an embodiment of the invention, a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective layer disposed on the substrate; a resin layer disposed on the first reflective layer and the light emitting device; and a second reflective layer disposed on the resin layer, wherein the resin layer is a front side surface on which light generated from the plurality of light emitting devices is emitted, a rear side surface facing the front side surface, and first and second side surfaces connecting the front side surface and the rear side surface with each other. A distance between the first reflective layer and the second reflective layer is smaller than a distance between the front side surface and the rear side surface of the resin layer, and the front side surface of the resin layer has a plurality of convex portions convex toward the front side surface from the light emitting device and a plurality of concave portions recessed in a direction of the rear side surface. | 2022-01-20 |
20220020898 | LIGHT-EMITTING ELEMENT AND LIGHT-EMITTING DEVICE - A light-emitting element includes: an anode; a hole transport layer of a p-type semiconductor; a n-type semiconductor layer containing a Group 13 element; a light-emitting layer containing quantum dots; an electron transport layer; and a cathode, arranged in this order. | 2022-01-20 |
20220020899 | LIGHT-EMITTING COMPONENT - A light-emitting component a first layer stack configured to generate light, at least one additional layer stack configured to generate light, where each of the first layer stack and the at least one additional layer stack are separately drivable from one another and where an auxiliary structure is arranged between the first layer stacks and the at least one additional layer stacks. | 2022-01-20 |
20220020900 | LIGHT EMITTING DEVICE AND MODULE - A light emitting device includes an LED die and a wavelength conversion layer. The LED die has a light emitting top surface and light emitting side surfaces. The wavelength conversion layer contains quantum dots and a photosensitive material, and is located on the light emitting top surface. A light emitting module including multiple light emitting devices is also disclosed. | 2022-01-20 |
20220020901 | VACUUM INJECTION MOLDING FOR OPTOELECTRONIC MODULES - Manufacturing optoelectronic modules includes supporting a printed circuit board substrate ( | 2022-01-20 |
20220020902 | Method for Producing an Optoelectronic Device - In an embodiment a method includes providing a carrier with an optoelectronic semiconductor chip-component arranged on a top side of the carrier, arranging a first potting material on the top side of the carrier, arranging a second potting material on the first potting material, wherein the second potting material comprises a higher density than the first potting material, wherein a top side of the optoelectronic semiconductor chip-component is covered by neither the first potting material nor the second potting material and allowing a force to act on the first potting material and the second potting material such that the second potting material migrates in a direction toward the top side of the carrier. | 2022-01-20 |
20220020903 | MICRO DEVICE AND DISPLAY APPARATUS - A micro device includes an epitaxial structure, an overcoat layer, and a first light-guiding structure. The epitaxial structure has a top surface and a bottom surface opposite to each other and a peripheral surface connecting the top surface and the bottom surface. The insulating layer covers at least the bottom surface and part of the peripheral surface of the epitaxial structure. The overcoat layer includes a contact portion and an extension portion. The contact portion conformally covers the insulating layer and the peripheral surface and the bottom surface of the epitaxial structure, and the extension portion connects the contact portion and extends in a direction away from the peripheral surface. The display apparatus includes a circuit substrate and a plurality of the above-mentioned micro devices. The micro devices are disposed and are correspondingly electrically connected to the first pads and the second pads of circuit substrate. | 2022-01-20 |
20220020904 | OPTOELECTRONIC LIGHT EMITTING DEVICE AND MANUFACTURING METHOD - An optoelectronic light emitting device includes a pixel with a transparent or translucent carrier substrate, on which a semiconductor light emitting arrangement with at least one micro LED is arranged. The micro LED extends over a partial area of the pixel. The main radiation direction of the semiconductor light emitting arrangement is directed onto a backscattering surface element arranged behind the transparent carrier substrate in viewing direction. The semiconductor light emitting arrangement includes a beam shaping element. | 2022-01-20 |
20220020905 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device has: a semiconductor light emitting element; a substrate on which the semiconductor light emitting element is mounted and which includes a substrate bonding surface to which a substrate metal layer having an annular shape is fixed; and a light transmitting cap including a window portion containing glass and transmitting radiation light of the semiconductor light emitting element and a flange having a flange bonding surface to which an annular flange metal layer having a size corresponding to the substrate metal layer is fixed, and sealed and bonded to the substrate with a space housing the semiconductor light emitting element. The flange metal layer contains a first metal layer fixed to the flange and having a difference in the coefficient of linear thermal expansion from the flange within 1×10 | 2022-01-20 |
20220020906 | DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE - According to an aspect of the present disclosure, a display device having a plurality of pixels each including a plurality of sub-pixels, includes a first substrate; a plurality of first pads disposed on the first substrate in the plurality of sub-pixels; a common pad disposed on the first substrate and shared by the plurality of sub-pixels; a second substrate disposed to face the first substrate; a plurality of first electrodes disposed on the second substrate and connected to the plurality of first pads; a second electrode disposed on the second substrate and connected to the common pad; and a plurality of light emitting nanorods having one ends and the other ends respectively connected to the plurality of first electrodes and the second electrode. Therefore, self-aligning of the light emitting nanorods can be easily achieved. | 2022-01-20 |
20220020907 | DISPLAY DEVICE, DISPLAY SCREEN AND METHOD FOR MANUFACTURING DISPLAY DEVICE - Provided are a display screen, a display device and a manufacturing method thereof. The display device includes: substrate layer, first planarization layer, and thin film transistor layer stacked; and light emitting element provided on the first planarization layer; and an electrical connector is provided on a side of the light emitting element facing the thin film transistor layer, and the electrical connector is exposed from the first planarization layer and electrically connected to the thin film transistor layer. The first planarization layer is provided between the substrate layer and the thin film transistor layer, the light emitting element is provided on the first planarization layer, and the electrical connector of the light emitting element is exposed from the first planarization layer, so that the electrical connection between the thin film transistor layer and the light emitting element can be achieved by metal deposition and patterning on the electrical connector. | 2022-01-20 |
20220020908 | STANNIDE THERMOELECTRIC CONVERSION ELEMENT AND STANNIDE THERMOELECTRIC CONVERSION MODULE - A stannide thermoelectric conversion module includes a thermoelectric conversion element, and an electrode material bonded to the thermoelectric conversion element with a bonding material therebetween, the thermoelectric conversion element is a stannide thermoelectric conversion element including a thermoelectric conversion part containing a stannide compound having composition represented by a general expression Mg | 2022-01-20 |
20220020909 | MG-SB-BASED THERMOELEMENT, PREPARATION METHOD AND APPLICATION THEREOF - Provided by the present invention is a magnesium-antimony-based (Mg—Sb-based) thermoelenient, preparation method and application thereof. The Mg—Sb-based. thermoelement comprises: a substrate layer of a Mg—Sb-based. thermoelectric material positioned in the center of the thermoelement, transitional layers that are attached to the two surfaces of the substrate layer, and two electrode layer that are respectively attached to the surfaces of the two transitional layers; the transitional layers are made of a magnesium-copper alloy and/or magnesium-aluminum alloy, and the electrode layer is made of copper. The transitional layer and the electrode layer which are developed in the present invention and which are suitable for a Mg—Sb-based thermoelectric material have great significance and prospects in application. The electrode layer enable the Mg—Sb-based thermoelectric material to have an opportunity to enter the market and realize commercialization. Compared with the existing bismuth telluride thermoelectric devices in the market, the thermoelectric device prepared has lower costs, may simultaneously save the rare element tellurium, and is beneficial in saving energy and protecting the environmental. | 2022-01-20 |
20220020910 | THERMOELECTRIC MODULE - Disclosed is a thermoelectric module. One embodiment of the thermoelectric modules comprises: a first substrate; a first electrode disposed on the first substrate; a thermoelectric leg disposed on the first electrode; a second electrode disposed on the thermoelectric leg; a second substrate disposed on the second electrode; a plurality of wire parts electrically connected to the first electrode and the second electrode; a first sealing part disposed on the first substrate and surrounding the side surface of the second substrate; and a second sealing part passing through the first sealing part and disposed on the inside and outside of the first sealing part. At least one of the plurality of wire parts is partially disposed inside the second sealing part. The second sealing part includes: a first region which is closest to the first sealing part outside the first sealing part; and a second region which is disposed outside the first region and is in contact with the wire part partially disposed inside the second sealing part, wherein the thickness of the second region is less than the thickness of the first region. | 2022-01-20 |
20220020911 | THERMOELECTRIC ELEMENT COMPRISING A CONTACT STRUCTURE AND METHOD OF MAKING THE CONTACT STRUCTURE - An induction heating system can comprise a furnace chamber comprising a non-magnetic and non-conductive furnace wall; at least one induction heating coil surrounding an outer side of the furnace wall in a length direction (z) of the furnace chamber; and a holding and pressing construction. The holding and pressing construction can be designed to hold an arrangement to be placed within the furnace chamber, and the holding and pressing construction can apply a pressure on a proximal end and a distal end of the arrangement in the length direction of the chamber. | 2022-01-20 |
20220020912 | HIGH-SATURATION POWER JOSEPHSON RING MODULATORS - High-saturation power Josephson ring modulators and fabrication of the same are provided. A Josephson ring modulator can comprise a plurality of matrix junctions. Matrix junctions of the plurality of matrix junctions can comprise respective superconducting parallel branches that can comprise a plurality of Josephson junctions operatively coupled in a series configuration. A method can comprise forming a first matrix junction comprising arranging a first group of Josephson junctions as first parallel branches. The method can also comprise forming a second matrix junction comprising arranging a second group of Josephson junctions as second parallel branches. Further, the method can comprise forming a third matrix junction comprising arranging a third group of Josephson junctions as third parallel branches. In addition, the method can comprise forming a fourth matrix junction comprising arranging a fourth group of Josephson junctions as fourth parallel branches. | 2022-01-20 |
20220020913 | SYSTEMS, METHODS AND APPARATUS FOR ACTIVE COMPENSATION OF QUANTUM PROCESSOR ELEMENTS - Apparatus and methods enable active compensation for unwanted discrepancies in the superconducting elements of a quantum processor. A qubit may include a primary compound Josephson junction (CJJ) structure, which may include at least a first secondary CJJ structure to enable compensation for Josephson junction asymmetry in the primary CJJ structure. A qubit may include a series LC-circuit coupled in parallel with a first CJJ structure to provide a tunable capacitance. A qubit control system may include means for tuning inductance of a qubit loop, for instance a tunable coupler inductively coupled to the qubit loop and controlled by a programming interface, or a CJJ structure coupled in series with the qubit loop and controlled by a programming interface. | 2022-01-20 |
20220020914 | TOPOLOGICAL QUBIT ARCHITECTURE BASED ON JOSEPHSON JUNCTION FABRICATED ON TWO-DIMENSIONAL ELECTRON GASES - The method of performing braiding operations can include providing a first Josephson junction including first gates. The method can include providing a second Josephson junction including second gates. The method can include tuning the first gates to dispose a first pair of Majorana fermions a first region. The method can include tuning the second gates to dispose a second pair of Majorana fermions in a second region. The method can include tuning the first gates to dispose a first Majorana fermion in the first region and to dispose a second Majorana fermion in a third region. The method can include tuning the second gates to dispose a third Majorana fermion in a fourth region and to dispose a fourth Majorana fermion in the second region. | 2022-01-20 |
20220020915 | ON-SUBSTRATE MECHANICAL STRESS SENSING AND COMPENSATION - In described examples, a circuit includes an analog frontend arranged to generate an analog stress compensating signal in response to a to-be-compensated analog signal and a first-axis stress sensing signal. The analog frontend can comprise a first precision component (e.g., | 2022-01-20 |
20220020916 | INTEGRATED CIRCUIT AND METHOD FOR MANUFACTURING THE SAME - An integrated circuit includes a substrate, a dielectric layer over the substrate, a plurality of cells, a plurality of spacers and a plurality of conductive particles. Each of the cells includes a bottom portion in the dielectric layer and an upper portion protruding from the dielectric layer. The spacers are disposed over the dielectric layer and partially cover the upper portions of the cells, respectively. The spacers are disconnected from each other, and cover a first area of the dielectric layer and expose a second area of the dielectric layer. The conductive particles are disposed between the first area of the dielectric layer and the spacers. | 2022-01-20 |
20220020917 | POST-TREATMENT PROCESSES FOR ION BEAM ETCHING OF MAGNETIC TUNNEL JUNCTION AND STRUCTURES FORMED BY THE SAME - A magnetic tunnel junction device includes a pillar structure including, from bottom to top, a bottom electrode and a magnetic tunnel junction structure, a top electrode overlying the magnetic tunnel junction structure, and a dielectric metal oxide layer extending from a sidewall of the pillar structure to a sidewall of the top electrode. The magnetic tunnel junction structure contains a reference magnetization layer including a first ferromagnetic material, a tunnel barrier layer, and a free magnetization layer including a second ferromagnetic material. The top electrode includes a metallic material containing a nonmagnetic metal element. The dielectric metal oxide layer may be formed by performing an oxidation process that oxidizes a residual metal film after a focused ion beam etch process, and eliminates conductive paths from surfaces of the pillar structure. | 2022-01-20 |
20220020918 | METHOD OF FABRICATING MAGNETIC MEMORY DEVICE - A method for forming a magnetic memory device is disclosed. At least one magnetic tunneling junction (MTJ) stack is formed on the substrate. The MTJ stack comprises a reference layer, a tunnel barrier layer and a free layer. A top electrode layer is formed on the MTJ stack. A patterned sacrificial layer is formed on the top electrode layer. The MTJ stack is then subjected to a MTJ patterning process in a high-density plasma chemical vapor deposition (HDPCVD) chamber, thereby sputtering off the MTJ stack not covered by the patterned sacrificial layer. During the MTJ patterning process, sidewalls of layers or sub-layers of the MTJ stack are simultaneously passivated in the HDPCVD chamber by depositing a sidewall protection layer. | 2022-01-20 |
20220020919 | SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAME - A semiconductor device includes a storage element layer and a selector. The selector is electrically coupled to the storage element layer, and includes a first insulating layer, a second insulating layer, a third insulating layer, a first conductive layer and a second conductive layer. The first insulating layer, the second insulating layer and the third insulating layer are stacked up in sequence, wherein the second insulating layer is sandwiched in between the first insulating layer and the third insulating layer, and the first insulating layer and the third insulating layer include materials with higher band gap as compared with a material of the second insulating layer. The first conductive layer is connected to the first insulting layer, and the second conductive layer is connected to the third insulating layer. | 2022-01-20 |
20220020920 | MEMORY DEVICE AND FABRICATION METHOD THEREOF - A memory device includes a bottom electrode, a magnetic tunnel junction (MTJ) stack, a top electrode, and a sidewall spacer. The MTJ stack is over the bottom electrode. The top electrode is over the MTJ stack. The sidewall spacer laterally surrounds the MTJ stack and the top electrode. The sidewall spacer has an outermost sidewall laterally set back from an outermost sidewall of the bottom electrode. | 2022-01-20 |
20220020921 | Method and Apparatus for Generating Skyrmion Lattice Stabilized at High Temperature - Provided is a method of a generating a skyrmion. The method includes a step of preparing a magnetic multilayer system and a step of generating a skyrmion at a temperature of 400° C. or higher by adjusting the magnetic anisotropy value and the magnetization value of the magnetic multilayer system. | 2022-01-20 |
20220020922 | Resistive Element for PCM RPU by Trench Depth Patterning - Resistive elements for PCM RPUs and techniques for fabrication thereof using trench depth pattering are provided. In one aspect, an RPU device includes: a first electrode; a second electrode; a heater; and a PCM disposed over the first electrode, the second electrode and the heater, wherein the heater includes a combination of a first material having a resistivity r1 and a second material having a resistivity r2, wherein r1>r2, and wherein only the first material is present beneath the PCM and forms a resistive heating element. A method of operating an RPU device is also provided. | 2022-01-20 |
20220020923 | PHASE-CHANGE MATERIAL AND ASSOCIATED RESISTIVE PHASE-CHANGE MEMORY - A phase-change material includes germanium Ge, tellurium Te and antimony Sb, including at least 37% germanium Ge, the ratio between the quantity of antimony Sb and the quantity of tellurium Te being between 1.5 and 4. | 2022-01-20 |
20220020924 | ELECTRONIC COMPONENT MANUFACTURING METHOD - The disclosure concerns an electronic component manufacturing method including a first step of etching at least one first layer followed, with no exposure to oxygen, by a second step of passivating the first layer. | 2022-01-20 |
20220020925 | NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE - A compound represented by the following formula (1), wherein one or more pairs among R | 2022-01-20 |
20220020926 | MASK AND METHOD OF MANUFACTURING THE SAME - A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion. | 2022-01-20 |
20220020927 | METHOD FOR MANUFACTURING A DISPLAY PANEL, A DISPLAY PANEL AND A TRANSFER DEVICE - A method for manufacturing a display panel, a display panel, and a transferring device are provided. Metal liquid is formed on a side surface of the base substrate to form a first region to be bonded. After curing, the second connecting lines are formed by etching such that the second connecting lines correspond to and connect to the first connecting lines disposed on the front surface of the base substrate, thereby providing the side bonding of the display panel. By using an integral transferring and etching method, the line width and pitch of the connecting lines in the region to be bonded can be reduced, which makes it suitable for full-size display panels with a wider range of applications, especially for products with high resolution. | 2022-01-20 |
20220020928 | OLED PANEL, EVAPORATION METHOD THEREOF, AND MASK PLATE GROUP THEREOF - A mask plate group of an organic light emitting diode (OLED) panel, a cathode evaporation method thereof and an OLED panel are provided. The OLED panel includes a display area having an imaging area, and the mask plate group includes a first mask plate and a second mask plate. The first mask plate includes a common mask opening area. The common mask opening area covers an entire of the display area. The second mask plate includes a special-shaped mask opening area. The special-shaped mask opening area covers all the display area except the imaging area. | 2022-01-20 |
20220020929 | ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THEREOF - The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one fused aromatic or hetero aromatic ring, and optionally at least one hole blocking layer including an azine-based compound or a benzimidazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime. | 2022-01-20 |
20220020930 | ORGANIC ELECTROLUMINESCENCE DEVICE AND AMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light-emitting layer on the hole transport region, an electron transport region on the light-emitting layer, and a second electrode on the electron transport region. The hole transport region includes an amine compound represented by Formula 1. | 2022-01-20 |
20220020931 | PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided. | 2022-01-20 |
20220020932 | COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF - The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and an electronic device comprising the organic electric element, and by employing the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the electric element can be improved. | 2022-01-20 |
20220020933 | COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE - A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1: | 2022-01-20 |
20220020934 | 5,6-DIPHENYL-5,6-DIHYDRO-DIBENZ[C,E][1,2]AZAPHOSPHORIN AND 6-PHENYL-6H-DIBENZO[C,E][1,2]THIAZIN-5,5-DIOXIDE DERIVATIVES AND SIMILAR COMPOUNDS AS ORGANIC ELECTROLUMINESCENT MATERIALS FOR OLEDS - The present invention relates to 5,6-diphenyl-5,6-dihydrodibenz[c,e][1,2]azaphosphorin and 6-phenyl-6H-dibenzo[c,e][1,2]thiazine 5,5-dioxide derivatives and similar compounds of the formula (1) as organic electroluminescent materials for use in organic electroluminescent devices, for example in organic light-emitting diodes (OLEDs), where the symbols used are as follows: Z is the same or different at each instance and is PAr | 2022-01-20 |
20220020935 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - Disclosed are a novel organic electroluminescent material and a device thereof. Such a novel organic electroluminescent material has a structure of Formula 1, and when applied to the organic electroluminescent device, can improve the balance of electrons and holes in the organic electroluminescent device and thus bring excellent device effects such as the improvement of external quantum efficiency, current efficiency, and service life. The novel organic electroluminescent material can be used to prepare organic semiconductor devices and is suitable for different types of organic semiconductor devices, including but not limited to fluorescent OLEDs, phosphorescent OLEDs, white OLEDs, laminated OLEDs, OTFTs, OPVs, etc. Further disclosed are an electroluminescent device comprising the organic electroluminescent material and a compound formulation comprising the organic electroluminescent material. | 2022-01-20 |
20220020936 | LIGHT-EMITTING DEVICE INCLUDING CONDENSED CYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE - Provided are a light-emitting device including a condensed cyclic compound represented by Formula 1 and an electronic apparatus including the light-emitting device, where Formula 1 is the same as described in the present specification. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode, and emission layer including at least one of the condensed cyclic compound represented by Formula 1. | 2022-01-20 |
20220020937 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The emission layer includes at least one heterocyclic compound of Formula 1. The heterocyclic compound may be a host or a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage, high efficiency, high luminance, and a long lifespan. | 2022-01-20 |
20220020938 | COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF - Provided are a novel compound capable of improving the luminous efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof. | 2022-01-20 |
20220020939 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE - The disclosure relates to a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode and including an emission layer. The interlayer includes a first compound represented by Formula 1 of the specification, a second compound represented by Formula 2 of the specification, and a third compound, which is a blue phosphorescent compound. The disclosure also relates to an electronic apparatus including the light-emitting device. | 2022-01-20 |
20220020940 | FLEXIBLE DISPLAY APPARATUS - A flexible display apparatus includes: a flexible display panel including a first area, a second area, and a bending area between the first area and the second area; a first protection layer including a first surface facing the flexible display panel and a second surface opposite to the first surface; and a driving unit electrically connected to the flexible display panel. The first protection layer is disposed continuously over the first area, the second area, and the bending area to be adhered to the flexible display panel. | 2022-01-20 |
20220020941 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device may include a substrate, pixels, and a crack mitigation structure. The substrate may include a main region, a sub-region, and a bending region. The bending region may be connected between the main region and the sub-region and may include a curved outline section. The pixels may be disposed on the main region. The crack mitigation structure may be disposed on the bending region. A section of the crack mitigation structure may be substantially parallel to the curved outline section. | 2022-01-20 |
20220020942 | Enhanced Infrared Photodiodes Based on PbS/PbClx Core/Shell Nanocrystals - Photodiodes configured to convert incident photons in the short-wave infrared (SWIR) to electric current, where the photodiodes have a PbS/PbCl | 2022-01-20 |
20220020943 | ELECTRONIC DEVICE, AND DISPLAY DEVICE COMPRISING THE SAME - An electronic device includes a light emitting element having a width of less than or equal to about 20 micrometers (μm), a quantum dot color filter overlapping the light emitting element, and a photo-detecting unit which detects a first light emitted from the quantum dot color filter. | 2022-01-20 |
20220020944 | WOLED DEVICES AND PREPARATION METHODS THEREOF, WOLED DISPLAY APPARATUSES - The present application provides a WOLED device and a preparation method thereof, a WOLED display panel. The WOLED device includes: an anode; a cathode, disposed opposite to the anode; a red-fluorescence emitting layer, disposed on a side of the anode close to the cathode; a green-fluorescence emitting layer, disposed on a side of the red-fluorescence emitting layer close to the cathode; an interlayer, disposed on a side of the green-fluorescence emitting layer; and a blue-fluorescence emitting layer, disposed on a side of the interlayer close to the cathode. | 2022-01-20 |
20220020945 | COLOR STABLE ORGANIC LIGHT EMITTING DIODE STACK - The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices. | 2022-01-20 |
20220020946 | DISPLAY PANEL AND PREPARATION METHOD THEREOF, AND DISPLAY DEVICE - The present application discloses a display panel and a preparation method thereof, and a display device. The display panel includes a base substrate, and has a display area, a peripheral area surrounding the display area, a hole area located at the display area, and an isolation area located between the hole area and the display area. The display area includes an electroluminescent device located on the base substrate, and a packaging structure for sealing the electroluminescent device, the packaging structure includes an inorganic packaging layer and an organic packaging layer alternately stacked, and the inorganic packaging layer extends to the hole area. The isolation area includes an organic layer located on the inorganic packaging layer. | 2022-01-20 |
20220020947 | DISPLAY DEVICE AND REPAIRING METHOD THEREOF - Disclosed is a display device. The display device includes: a substrate on which a sub-pixel including a transmissive part and a light emitting part is disposed; a transistor disposed on the substrate; and an organic light emitting diode connected to the transistor. The transmissive part includes a repair part in which an anode electrode of the organic light emitting diode is connected through a contact hole to an extension line extending from an electrode of the transistor. | 2022-01-20 |
20220020948 | DISPLAY DEVICE - A display device includes a display panel, a supporting member supporting the display panel, a filling member disposed under the supporting member and overlapping a first area of the supporting member, a heat-releasing member disposed under the supporting member and overlapping a second area of the supporting member, and a light-blocking member. The supporting member includes an opening which overlaps a portion of the display panel. The filling member includes an opening which overlaps the opening of the supporting member. The light-blocking member is disposed in the opening of the filling member and overlaps the opening of the supporting member. | 2022-01-20 |
20220020949 | LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING THE LIGHT EMITTING DEVICE, AND DISPLAY APPARATUS INCLUDING THE LIGHT EMITTING DEVICE - Provided a light emitting device including a reflective layer including a plurality of nanostructures that are periodically two-dimensionally arranged, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein the planarization layer includes a conductive material that is transparent with respect to light emitted by the organic emission layer, and wherein the planarization layer is disposed on upper surfaces of the plurality of nanostructures such that an air gap is provided between adjacent nanostructures of the plurality of nanostructures. | 2022-01-20 |
20220020950 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING SAME - A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer. | 2022-01-20 |
20220020951 | GRADED SLOPE REFLECTIVE STRUCTURES FOR OLED DISPLAY PIXELS - Embodiments described herein relate to graded slope bottom reflective electrode layer structures for top-emitting organic light-emitting diode (OLED) display pixels. An EL device includes a pixel definition layer having a top surface, a bottom surface, and graded sidewalls interconnecting the top and bottom surfaces and a bottom reflective electrode layer disposed over the pixel definition layer. The bottom reflective electrode layer includes a planar electrode portion disposed over the bottom surface and a graded reflective portion disposed over the graded sidewalls, where the graded reflective portion has a concave profile. The EL device includes an organic layer disposed over the bottom reflective electrode layer and a top electrode disposed over the organic layer. Also described herein are methods for fabricating the EL device. | 2022-01-20 |
20220020952 | ELECTRONIC DEVICE, MANUFACTURING METHOD FOR ELECTRONIC DEVICE, AND DEPOSITION MASK GROUP - A manufacturing method for an electronic device includes a preparation step of preparing a layered body including a substrate, two or more first electrodes, and organic layers, the substrate having a first surface and a second surface that is positioned opposite to the first surface, the two or more first electrodes positioned above the first surface of the substrate, the organic layers positioned above the first electrodes; a second electrode formation step of forming a second electrode above the organic layers so that the second electrode overlaps the two or more first electrodes when viewed in a normal direction to the first surface of the substrate; and a removal step of partly removing regions of the second electrode that is positioned between the first electrodes in plan view. | 2022-01-20 |
20220020953 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A display substrate and a method manufacturing the same, an electronic apparatus are provided. The display substrate includes a display area including a first display region and a second display region, the first display region having a pixel density higher than that of the second display region, the display area including a base substrate, and a first electrode layer, a light-emitting functional layer, and a second electrode layer sequentially provided on the base substrate, the second electrode layer being on a side of the light-emitting functional layer away from the base substrate. The second electrode layer includes a first electrode portion provided in the first display region and a second electrode portion provided in the second display region, the first electrode portion and the second electrode portion are electrically connected with each other, and the second electrode portion has a light transmittance higher than that of the first electrode portion. | 2022-01-20 |
20220020954 | TOP-EMISSION TYPE ORGANIC ELECTROLUMINESCENT ELEMENT AND TOP-EMISSION TYPE ORGANIC ELECTROLUMINESCENT DEVICE - A top-emission type organic electroluminescent (EL) element and a top-emission type organic EL device are provided. The top-emission type organic EL element includes a first electrode, an organic functional layer disposed on the first electrode, and a second electrode disposed on a side of the organic functional layer facing away from the first electrode. The second electrode includes a work-function adjustment layer and a transparent metal oxide layer. The work-function adjustment layer is disposed on the side of the organic functional layer facing away from the first electrode, and the transparent metal oxide layer is disposed on a side of the work-function adjustment layer facing away from the organic functional layer. The top-emission type organic EL element and the top-emission type organic EL device can improve the luminous efficiency and prolong the service life. | 2022-01-20 |
20220020955 | DISPLAY DEVICE - A display device includes a substrate including a display area and a non-display area, a light emitting element disposed in the display area, an encapsulation layer covering the light emitting element, and a dam disposed in the non-display area and surrounding the display area. The dam includes a plurality of layers, and the plurality of layers include an organic layer that includes a portion that decreases and then increases in height toward an edge of the organic layer. | 2022-01-20 |
20220020956 | COVER PANEL AND DISPLAY DEVICE COMPRISING SAME - A cover panel includes: a light blocking layer; a cushion layer overlapping with the light blocking layer; a wire overlapping with the cushion layer; and a via hole connected to the wire, and penetrating the light blocking layer and the cushion layer. | 2022-01-20 |
20220020957 | DISPLAY PANEL - A display panel includes: a substrate including a first area, a second area at least partially surrounding the first area, and an intermediate area between the first area and the second area; an insulating layer on the substrate; a plurality of display elements in the second area, and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the intermediate area; a thin-film encapsulation layer covering the plurality of display elements, and including an inorganic encapsulation layer and an organic encapsulation layer; and an inorganic layer over the thin-film encapsulation layer, wherein at least one sub-layer included in the intermediate layer is disconnected around the groove, and the inorganic layer directly contacts the insulating layer beyond an edge of the at least one sub-layer located in the intermediate area and an edge of the inorganic encapsulation layer. | 2022-01-20 |
20220020958 | DISPLAY DEVICE - A display device includes: a base substrate; a thin-film transistor layer provided on the base substrate, a light-emitting element layer provided on the thin-film transistor layer; and a sealing film provided on the light-emitting element. Each of light-emitting elements includes: a first electrode; a functional layer; and a second electrode stacked on top of another in a stated order. The display device includes: a display region; a frame region; and a non-display region. The non-display region includes a through hole. The display device includes a separation wall shaped into a frame and provided to the non-display region along an edge of the through hole. The separation wall includes: a first resin layer: and a first metal layer provided on the first resin layer. The first metal layer includes a first protrusion shaped into a canopy, and protruding from the first resin layer toward the display region. | 2022-01-20 |
20220020959 | LIGHT EMITTING DEVICE - A light emitting device includes a first light emitting element, a second light emitting element disposed adjacent to the first light emitting element, a first color conversion element disposed on the first light emitting element, and a second color conversion element disposed on the second light emitting element. A thickness of the first color conversion element is different from a thickness of the second color conversion element. | 2022-01-20 |
20220020960 | DISPLAY PANEL - A display panel includes a substrate including an opening area, a display area, and a first non-display area, the first non-display area being between the opening area and the display area, a plurality of display elements arranged in the display area, a thin film encapsulation layer that covers the display elements, the thin film encapsulation layer including an inorganic encapsulation layer and an organic encapsulation layer, a groove in the first non-display area, a planarization layer in the first non-display area, the planarization layer covering the groove, a first inorganic insulating layer under the planarization layer such that the first inorganic insulating layer is between the planarization layer and the substrate, and a second inorganic insulating layer over the planarization layer. | 2022-01-20 |
20220020961 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A display apparatus includes: a substrate; a display unit disposed on the substrate; a barrier unit disposed between the substrate and the display unit; and a buffer unit disposed between the barrier unit and the display unit, wherein a sum of a thickness of the barrier unit and a thickness of the buffer unit is in the range from 0.9 μm to 3 μm. | 2022-01-20 |
20220020962 | 3D Display Apparatus in which a Display Panel has a Curvature - A 3D display apparatus in which a display panel has a curvature is provided. A lower barrier layer, an upper barrier layer and lenticular lenses may be sequentially stacked on the display panel. The lower barrier layer and the upper barrier layer may include openings corresponding pixel areas of the display panel, respectively. Each opening of the lower barrier layer and each opening of the upper barrier layer may be disposed on an imaginary line passing through the corresponding pixel area of the display panel and a setting region. Thus, in the 3D display apparatus, the quality of the realized 3D image may be improved. | 2022-01-20 |
20220020963 | METASURFACE, LIGHT-EMITTING DEVICE INCLUDING THE METASURFACE, DISPLAY DEVICE INCLUDING THE LIGHT-EMITTING DEVICE, AND METHOD OF FABRICATING THE METASURFACE - A metasurface includes a substrate with a first surface area having first surface energy, and a second surface area formed to surround the first surface area and having second surface energy less than the first surface energy, a polymer layer provided on the substrate at a position corresponding to the first surface area and including a polymer material and a metal reflective layer provided on the polymer layer and having a phase modulation surface including metal. | 2022-01-20 |
20220020964 | ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE - The present disclosure relates to an organic light-emitting diode display device that comprises a first substrate on which first, second and third subpixels each including an emission area and a non-emission area are defined; first, second and third light-emitting diodes disposed in the first, second and third subpixels on the first substrate, respectively; a second substrate over the first, second and third light-emitting diodes; and a scattering pattern corresponding to the first subpixel and disposed over the first light-emitting diode or under the first substrate, wherein the first subpixel has an area reflectance higher than the second and third subpixels. | 2022-01-20 |
20220020965 | DISPLAY PANEL - A display panel including a base layer; a circuit layer; an emission layer including first, second and third emission areas respectively corresponding to first, second and third pixel areas; an organic encapsulation layer having a flat top surface; an inorganic encapsulation layer on the top surface of the organic encapsulation layer and having a first refractive index; a functional layer disposed on the inorganic encapsulation aver and having a second refractive index less than the first refractive index; and a partition wall disposed on the functional layer and including first, second and third openings, wherein the first, second and third openings respectively correspond to the first, second and third pixel areas, wherein a total reflection critical angle between the inorganic encapsulation layer and the functional layer is less than a reference incident angle of reference light traveling from the first emission area toward the partition wall. | 2022-01-20 |
20220020966 | ORGANIC LIGHT-EMITTING DISPLAY PANEL AND APPARATUS - An organic light-emitting display (OLED) panel includes a substrate and a light-emitting pixel array disposed on the substrate and including a plurality of light-emitting pixels, each of the plurality of light-emitting pixels includes a concave structure, a light-emitting layer, a planarization layer, and a convex microlens which are sequentially stacked up and aligned up on the substrate in such a manner that light emitted in an angle perpendicular to the light-emitting layer on the concave structure pass through an focal point of the convex microlens. | 2022-01-20 |
20220020967 | DISPLAY DEVICE - A display device includes: a first pixel region, a second pixel region, and a third pixel region that are adjacent to each other in a plan view; a display panel including a first light emitting element overlapping with the first pixel region, a second light emitting element overlapping with the second pixel region, and a third light emitting element overlapping with the third pixel region; and a refractive index control layer including a first refractive index control part corresponding to the first light emitting element, and a second refractive index control part corresponding to the second light emitting element. The first refractive index control part and the second refractive index control part have different refractive indices from each other. | 2022-01-20 |
20220020968 | DISPLAY PANEL, METHOD FOR MANUFACTURING THE SAME AND DISPLAY DEVICE - A display panel includes: a back plane; at least one subpixel arranged on the back plane and including a light-emitting material layer; a pixel definition layer provided with first apertures corresponding to subpixels respectively, each subpixel being located within a corresponding first aperture; and a black matrix arranged at a side of the pixel definition layer away from the back plane and provided with second apertures corresponding to the first apertures respectively. A projection of each first aperture onto the back plane is located within a projection of a corresponding second aperture onto the back plane, a center of each second aperture is offset toward a peripheral point of the light-emitting material layer closest to the black matrix relative to a center of the corresponding first aperture, and the light-emitting material layer is in an inclined state relative to the pixel definition layer. | 2022-01-20 |
20220020969 | ELECTRONIC APPARATUS AND MANUFACTURING METHOD THEREOF - An electronic apparatus includes: an electronic module; a display panel disposed on the electronic module and including a first display region and a second display region adjacent to the first display region, the second display region overlapping the electronic module; and a polarization plate disposed on the display panel and including a first polarization region overlapping the first display region and a second polarization region including a polarization part and a non-polarization part having higher light transmittance than the polarization part, the non-polarization part overlapping the second display region. | 2022-01-20 |
20220020970 | OLED AUTOMATIC PRODUCTION EQUIPMENT - An organic light emitting diode (OLED) automatic production equipment is provided. The OLED automatic production equipment includes a vapor deposition device, a printing device, a sputtering device, a flexible packaging device, and a thin film packaging device. The thin film packaging device is in communication with the vapor deposition device, the printing device, the sputtering device, the flexible packaging device, and the like. Processors of the vapor deposition device, the printing device, the sputtering device, and the flexible packaging device are configured to perform two-way communication with a processor of the thin film packaging device. | 2022-01-20 |
20220020971 | PRINTING DEVICE, PRINTING SYSTEM, AND PRINTING METHOD - A printing device includes a base, a transfer roller, a transfer portion and at least one image collector. The transfer roller includes a rotating shaft and a cylinder body. The transfer portion is disposed on an outer circumferential surface of the cylinder body. The base is configured to allow a printing plate and a substrate to be transferred to be provided thereon, and drive the printing plate or the substrate to be transferred to move, so that the printing plate or the substrate to be transferred comes in contact with the transfer portion disposed on the cylinder body, and moves synchronously with the cylinder body. The transfer portion is configured to allow a transfer pattern to be formed thereon. The image collector is disposed on the cylinder body or the base, and is configured to collect a position of the transfer pattern transferred onto the substrate to be transferred. | 2022-01-20 |
20220020972 | Height Measurement and Control in Confined Spaces for Vapor Deposition System - Embodiments of the disclosed subject matter provide a device having a print head that includes a micronozzle array of depositors to deposit a material on a substrate. A reflective optical device may reflect a signal output by at least one optical sensor, and to reflect the signal from a surface of the substrate to the optical sensor. A processor may determine a distance between the optical sensor and the target surface of the substrate. The device may include one or more actuators coupled to the at least one print head to move the print head relative to an internal reference frame and adjust a position of the print head to the substrate. The sensor may be fixedly coupled with a mount to the internal reference frame. The print head may be configured to move independently of the optical sensor in at least one axis of linear or rotational motion. | 2022-01-20 |
20220020973 | BATTERY SYSTEM WITH CYLINDRICAL CELLS - A battery system which includes a plurality of cylindrical cells, including a first cylindrical cell and a second cylindrical cell, an electrical tab that is connected to the first cylindrical cell and the second cylindrical cell using spot welding, and a battery management printed circuit board, where the electrical tab provides a connecting surface for a battery management signal between (1) the first cylindrical cell and the second cylindrical cell and (2) the battery management printed circuit board. | 2022-01-20 |
20220020974 | BATTERY SEPARATORS COMPRISING HYBRID SOLID STATE ELECTROLYTE COATINGS - A separator includes a porous polymeric separator having an anode side and a cathode side, a cathode-compatible material applied to the cathode side, wherein the cathode-compatible material comprises a polymeric binder and one or more of lithium aluminum titanium phosphate (LATP) particles, lithium lanthanum titanate (LLTO) particles, lithium aluminum germanium phosphate (LAGP) particles, and lithium superionic conductor (LISICON) particles, and an anode-compatible material applied to the anode side, wherein the anode-compatible material comprises lithium lanthanum zirconium oxide (LLZO) particles and a polymeric binder. The polymeric binder of the cathode-compatible material can be polyvinylidene fluoride and the polymeric binder of the anode-compatible material can be polyvinylidene. The polymeric binder of the cathode-compatible material the anode-compatible material can be the polymeric separator. The LLZO particles and the one or more of LATP, LLTO, LAGP, and LISICON particles can have an average particle size of 10 nm to 10 μm. | 2022-01-20 |
20220020975 | SYSTEM FOR PREPARING ELECTRODE HAVING HIGH CYCLE EFFICIENCY, METHOD FOR PREPARING ELECTRODE HAVING HIGH CYCLE EFFICIENCY, AND APPLICATION THEREOF - The system comprises an electrode treatment unit; a temperature control treatment device ( | 2022-01-20 |
20220020976 | METHOD OF PRODUCING NEGATIVE ELECTRODE FOR SECONDARY BATTERY - A method of producing a negative electrode for a secondary battery, which includes: forming a negative electrode structure including a negative electrode current collector having two surfaces and a negative electrode active material layer formed on at least one surface of the negative electrode current collector; preparing a pre-lithiation cell including the negative electrode structure, a lithium metal counter electrode disposed to face the negative electrode active material layer of the negative electrode structure, and a separator interposed between the negative electrode structure and the lithium metal counter electrode; immersing the pre-lithiation cell in a pre-lithiation solution; and carrying out pre-lithiation by electrochemically charging the pre-lithiation cell while pressing the pre-lithiation cell at a pressure of 15 kPa to 3,200 kPa. | 2022-01-20 |
20220020977 | CATHODE WITH PRE-LITHIATION COATING AND METHODS FOR PREPARATION AND USE - Methods and systems are provided for a cathode material for lithium ion batteries. In one example, the cathode material may include a lithium mixed metal oxide core and a surface coating surrounding the core. Optionally, a passivating layer may continuously surround the surface coating. In some examples, the surface coating or surface layer may include a sacrificial lithium source, a lithium-based active cathode catalyst, or a combination thereof. In other examples, methods are provided for manufacturing the cathode material for use in a lithium ion battery. | 2022-01-20 |
20220020978 | LITHIUM SECONDARY BATTERY ELECTRODE AND LITHIUM SECONDARY BATTERY - Provided is an electrode for lithium secondary battery that has a large retaining amount of an electrolyte and high output, and simultaneously, secures a volume density and suppresses a decrease in an electron conductivity. | 2022-01-20 |
20220020979 | TEMPLATE ELECTRODE STRUCTURES FOR DEPOSITING ACTIVE MATERIALS - Provided are examples of electrochemically active electrode materials, electrodes using such materials, and methods of manufacturing such electrodes. Electrochemically active electrode materials may include a high surface area template containing a metal silicide and a layer of high capacity active material deposited over the template. The template may serve as a mechanical support for the active material and/or an electrical conductor between the active material and, for example, a substrate. Due to the high surface area of the template, even a thin layer of the active material can provide sufficient active material loading and corresponding battery capacity. As such, a thickness of the layer may be maintained below the fracture threshold of the active material used and preserve its structural integrity during battery cycling. | 2022-01-20 |
20220020980 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEBALE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery, a negative electrode, and a rechargeable lithium battery including the same, the negative active material including a core including silicon nanoparticles and a lithium titanium-based oxide; and an amorphous carbon layer on a surface of the core. | 2022-01-20 |
20220020981 | POSITIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE - A positive electrode active material for a lithium ion secondary battery which has a large capacity and a good charge-and-discharge cycle performance is provided. The positive electrode active material includes lithium, cobalt, oxygen, and magnesium, and has a compound represented by a layered rock-salt crystal structure. A space group of the compound is represented by R-3m. The compound is a composite oxide in which magnesium is substituted for a lithium position and a cobalt position. The compound is a particle. The magnesium substituted for a lithium position and a cobalt position exists more in the region from the surface to 5 nm than in the region deeper than 10 nm from the surface. More magnesium is substituted for a lithium position than for a cobalt position. | 2022-01-20 |
20220020982 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME - Provided is a positive active material for a lithium secondary battery, the positive active material including: a secondary particle comprising a group of a plurality of primary particles, in which the primary particles comprise first primary particles provided on a surface portion of the secondary particle and each having a spinel structure at an end thereof, and the primary particle is made of lithium (Li), nickel (Ni), manganese (Mn), and tungsten (W) which is a doping element. | 2022-01-20 |
20220020983 | Positive Electrode Active Material for Secondary Battery, Preparation Method Thereof, and Positive Electrode for Secondary Battery Including Same - The present disclosure relates to a positive electrode active material for a secondary battery, the positive electrode active material being a lithium composite transition metal oxide particle including nickel (Ni) and cobalt (Co) and including at least one of manganese (Mn) and aluminum (Al), wherein the lithium composite transition metal oxide particle includes 60 mol % or greater of the nickel (Ni) in all metals excluding lithium, a doping element is doped on the lithium composite transition metal oxide particle, and the particle intensity of the lithium composite transition metal oxide particle is 210 MPa to 290 MPa. | 2022-01-20 |
20220020984 | CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A cathode for a lithium secondary battery includes a cathode current collector, a first cathode active material layer including a first cathode active material particle, and a second cathode active material layer including a second cathode active material particle. The first cathode active material layer and the second cathode active material layer are sequentially stacked from the cathode current collector. The first cathode active material particle and the second cathode active material particle have different compositions or particle structures from each other. The first cathode active material particle and the second cathode active material particle include lithium metal oxides containing nickel. The second cathode active material particle has a single particle shape and has a particle size distribution satisfying a specific range relation. | 2022-01-20 |
20220020985 | MIXED METAL MANGANESE OXIDE MATERIAL - A poorly crystalline mixed metal manganese oxide material. The mixed metal manganese oxide material may be used for making a cathode for a rechargeable battery. Generally, the mixed metal manganese oxide includes: manganese oxide; copper, silver, gold, or a combination thereof; a first additional cation selected from the group consisting of: bismuth, lead, and mixtures thereof; and a second additional cation selected from the group consisting of: lithium, sodium, potassium, cesium, rubidium, beryllium, magnesium, calcium, strontium, barium, NR | 2022-01-20 |
20220020986 | ELECTRODE PLATE MATERIAL OF LITHIUM-ION BATTERY - An electrode material of a lithium-ion battery is provided. The electrode material of the lithium-ion battery has 5 to 70 parts by weight of unbuffered active material; and 30 to 95 parts by weight of buffered active material. By adding a specific proportion of a buffered material (such as the graphite material particles), the electrode material of the lithium-ion battery avoids or reduces breakage or cracking of the unbuffered active material themselves or the shell thereof during a rolling step, so a cycle life of a battery can be improved. | 2022-01-20 |
20220020987 | MULTI LAYER ELECTRODE FOR SECONDARY BATTERY - The present disclosure relates to a multilayer electrode for a secondary battery. The multilayer electrode for a secondary battery includes: an electrode current collector; a first mixture layer including an active material, a binder, and a single-walled carbon nanotube, the first mixture layer being formed on at least one surface of the electrode current collector; and a second mixture layer including an active material, a binder, and a multi-walled carbon nanotube, the second mixture layer being formed on the first mixture layer. According to the present disclosure, by improving the uniformity of the distribution of the conductive material in the electrode mixture layer, it is possible to prevent the resistance from increasing, and as a result, it is possible to improve the output characteristics of the secondary battery. | 2022-01-20 |
20220020988 | Positive Electrode Additive, Manufacturing Method Thereof, and Positive Electrode and Lithium Rechargeable Battery Including the Same - The present disclosure relates to a positive electrode additive, a manufacturing method thereof, and a positive electrode and a lithium rechargeable battery including the same. Specifically, one embodiment of the present disclosure provides a positive electrode additive for a lithium rechargeable battery comprising: a compound represented by the following Chemical Formula 1; a compound represented by the following Chemical Formula 2; and lithium phosphate (Li | 2022-01-20 |
20220020989 | ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY - To provide an electrode for non-aqueous electrolyte batteries, which traps hydrogen sulfide gas, generated from the inside thereof for some reason, in the electrode, and suppresses the outflow of hydrogen sulfide gas to the outside of the battery. An electrode for lithium ion batteries includes a coating material which contains a silanol group and is present on at least a surface of an active material layer. The active material layer contains a sulfur-based material and a resin-based binder. The sulfur-based material is an active material capable of alloying with lithium metal or an active material capable of occluding lithium ions. The coating material containing the silanol group is a silicate having a siloxane bond or a silica fine particle aggregate having a siloxane bond as a component. | 2022-01-20 |
20220020990 | REDOX FLOW BATTERY FOR STORING ELECTRICAL ENERGY IN UNDERGROUND STORAGE MEANS, AND USE THEREOF - A redox flow battery for storing electrical energy is described, comprising a reaction cell with two electrode chambers for catholyte and anolyte, each of which is connected to at least one liquid reservoir, the electrode chambers being separated by a membrane, being equipped with electrodes, and each being filled with electrolyte solutions which contain redox-active components dissolved or dispersed in an aqueous electrolyte solvent, as well as conducting salts dissolved therein and possibly further additives. A second embodiment relates to a redox flow battery for storing electrical energy, comprising a reaction cell with an electrode chamber for an electrolyte solution, which is connected to at least one liquid reservoir, the electrode chamber being equipped with a cathode and an anode, and being filled with electrolyte solution which contains redox-active components dissolved or dispersed in an aqueous electrolyte solvent, as well as conductive salts dissolved therein and possibly further additives. The redox flow cells are characterized in that the at least one liquid reservois is an underground storage means in which temperatures of at least 30° C. prevail, in that the concentration of the salts dissolved in the electrolyte solutions is at least 10% by weight, and in that the catholyte or the electrolyte solution contains selected redox-active and temperature-stable components. In the first embodiment, the anolyte contains a water-soluble redox-active component and in the second embodiment, the anolyte or the electrolyte solution contains a zinc salt. | 2022-01-20 |