41st week of 2019 patent applcation highlights part 52 |
Patent application number | Title | Published |
20190312172 | OPTICAL CONNECTOR - An optical connector includes a lens body, a photoelectric conversion module, and a housing. A light emitting side lens portion and a light receiving side lens portion are integrally formed on a substrate portion in the lens body. The photoelectric conversion module includes a light emitting element and a light receiving element disposed at positions facing the light emitting side lens portion and the light receiving side lens portion when combining the photoelectric conversion module with the lens body. The housing accommodates the photoelectric conversion module combined with the lens body. The lens body includes an optical path changing mechanism provided between the light emitting side lens portion and the light receiving side lens portion on the substrate portion, and changing at least an optical path of light from the light emitting side lens portion. | 2019-10-10 |
20190312173 | LOCAL PATTERNING AND METALLIZATION OF SEMICONDUCTOR STRUCTURES USING A LASER BEAM - Local patterning and metallization of semiconductor structures using a laser beam, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, are described. For example, a method of fabricating a solar cell includes providing a substrate having an intervening layer thereon. The method also includes locating a metal foil over the intervening layer. The method also includes exposing the metal foil to a laser beam, wherein exposing the metal foil to the laser beam forms openings in the intervening layer and forms a plurality of conductive contact structures electrically connected to portions of the substrate exposed by the openings. | 2019-10-10 |
20190312174 | LIGHT EMITTING DEVICE FOR LIGHT AMPLIFICATION USING GRAPHENE QUANTUM DOT AND METHOD FOR PRODUCING THE DEVICE - The present invention relates to a light-emitting device for light amplification using graphene quantum dots and a method of manufacturing the same, which includes a first conductive semiconductor base layer; a plurality of nanowires disposed on the first conductive semiconductor base layer and including a first conductive semiconductor core, an active layer, and a second conductive semiconductor layer sequentially formed from inside to outside; and a graphene quantum dot coating layer disposed on one or both of a surface and an interior of the nanowire, thereby providing a light-emitting device which maximizes light extraction and light amplification. | 2019-10-10 |
20190312175 | METHOD FOR PRODUCTION OF QUANTUM RODS WITH PRECISELY CONTROLLABLE WAVELENGTH OF EMISSION - A method for fabricating quantum rods includes: preparing a Cd-precursor; preparing a S-precursor and CdSe seeds; preparing a Zn-precursor; mixing the S-precursor and the CdSe seeds with the Cd-precursor in a reaction mixture; adding the Zn-precursor to the reaction mixture; stopping the reaction; and performing a purification process to obtain the quantum rods. | 2019-10-10 |
20190312176 | LIGHT-EMITTING DIODE AND MANUFACTURE METHOD THEREOF - A light-emitting diode including a semiconductor epitaxial layer, a first electrode, and a second electrode is provided. The semiconductor epitaxial layer includes a first-type doped semiconductor layer, a second-type doped semiconductor layer, and a quantum well layer. A recessed portion is formed in the semiconductor epitaxial layer. The recessed portion separates the second-type doped semiconductor layer, the quantum well layer, and a portion of the first-type doped semiconductor layer and defines a first region and a second region on the semiconductor epitaxial layer. The first electrode is located in the first region and electrically connected to at least a portion of the first-type doped semiconductor layer and at least a portion of the second-type doped semiconductor layer. The second electrode is located in the second region and electrically connected to the second-type doped semiconductor layer. | 2019-10-10 |
20190312177 | VERTICAL STRUCTURE LEDS - A method of manufacturing a light emitting device can include forming an n-type GaN-based layer on a sapphire substrate; forming a GaN-based active layer on the n-type GaN-based layer; forming a p-type GaN-based layer on the GaN-based active layer; forming a p-type electrode on the p-type GaN-based layer; forming a metal substrate on the p-type electrode; removing the sapphire substrate; forming an n-type electrode on the n-type GaN-based layer; forming a passivation layer on a side surface of the p-type GaN-based layer, a side surface of the GaN-based active layer, a side surface of the n-type GaN-based layer, an upper surface of the n-type GaN-based layer, a side surface of the n-type electrode, and an upper surface of the n-type electrode after the forming the n-type electrode; and forming an open space to expose the n-type electrode by patterning the passivation layer. | 2019-10-10 |
20190312178 | Group-III Nitride Stacked Body and Group-III Nitride Light-Emitting Element - A group-Ill nitride stacked body includes a substrate, an n-type first AlGaN layer expressed by the composition formula Al | 2019-10-10 |
20190312179 | LIGHT-EMITTING ELEMENT - A light-emitting element comprises a light-emitting semiconductor stack comprising a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and a light-emitting layer between the first semiconductor layer and the second semiconductor layer; a reflective layer formed on the light-emitting semiconductor stack; a barrier layer formed on the reflective stack; a protection layer formed on the barrier layer, comprising a first through hole and a second through hole; a first height balancer filled in the first through hole and formed on the protection layer; a second height balancer filled in the second through hole and formed on the protection layer; and a conductive contact layer comprising a first conductive part formed on the first height balancer and a second conductive part formed on the second height balancer. | 2019-10-10 |
20190312180 | SELF-ALIGNMENT OF OPTICAL STRUCTURES TO RANDOM ARRAY OF PRINTED MICRO-LEDS - Printed micro-LEDs have a top metal anode electrode that is relatively tall and narrow and a bottom cathode electrode. After the LED ink is cured, the bottom electrodes are in electrical contact with a conductive layer on a substrate. The locations of the LEDs are random. A thin dielectric layer is then printed between the LEDs, and a thin conductive layer, such as a nano-wire layer, is then printed over the dielectric layer to contact the anode electrodes. The top conductive layer over the tall anode electrodes has bumps corresponding with the locations of the LEDs. An omniphobic liquid is then printed which only resides in the “low” areas of the top conductive layer between the bumps. Any optical material is then uniformly printed over the resulting surface. The printed optical material accumulates only on the bump areas by adhesion and surface tension, so is self-aligned with the individual LEDs. | 2019-10-10 |
20190312181 | DISPLAY DEVICE - A display device including a light source member including a light-emitting device which emits a first light having a central wavelength in a wavelength region of about 390 nm to about 410 nm, and a first phosphor converting the first light into a second light having a central wavelength in a wavelength region of about 440 nm to about 460 nm, a display panel disposed on the light source member, and a color conversion layer disposed between the light source member and the display panel and including a luminous body which is excited by at least one of the first light or the second light and emits a light in a wavelength region which is different from that of the second light. | 2019-10-10 |
20190312182 | METHOD OF FABRICATING LIGHT EMITTING DEVICE PACKAGE - A method of fabricating a light emitting device package includes forming a plurality of semiconductor light emitting parts, each having a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer on a growth substrate, forming a partition structure having a plurality of light emitting windows on the growth substrate, filling each of the plurality of light emitting windows with a resin having a phosphor, and forming a plurality of wavelength conversion parts by planarizing a surface of the resin. | 2019-10-10 |
20190312183 | LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING COVERING MEMBER, AND METHOD OF MANUFACTURING LIGHT EMITTING DEVICE - A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole. | 2019-10-10 |
20190312184 | METHOD OF PRODUCING OPTOELECTRONIC SEMICONDUCTOR COMPONENTS AND AN OPTOELECTRONIC SEMICONDUCTOR COMPONENT - A method of producing optoelectronic semiconductor components including providing a primary light source having a carrier and a semiconductor layer sequence mounted thereon that generates primary light (B), wherein the semiconductor layer sequence is structured into a plurality of pixels that can be driven electrically independently of each other, and the carrier includes a plurality of control units that drive the pixels, providing at least one conversion unit adapted to convert the primary light (B) into at least one secondary light (G, R), wherein the conversion unit is grown continuously from at least one semiconductor material, structuring the conversion unit, wherein portions of the semiconductor material are removed in accordance with the pixels, and applying the conversion unit to the semiconductor layer sequence so that the remaining semiconductor material is uniquely assigned to a portion of the pixels. | 2019-10-10 |
20190312185 | LED PACKAGE STRUCTURE WITH PHOSPHOR ENCAPSULANT LAYER - An LED package structure with phosphor encapsulant layer includes an LED chip, a first encapsulant layer, and a second encapsulant layer; the first encapsulant layer covers the LED chip mixed with a first type phosphor having an excitation emission peak wavelength in a first wavelength range; the second encapsulant layer covers a first encapsulant layer mixed with a second type phosphor having an excitation emission peak wavelength in a second wavelength range. At least one of the first type phosphor and the second type phosphor is distributed in the corresponding first encapsulant layer or the corresponding second encapsulant layer in a state where the bottom concentration is higher than the top concentration. | 2019-10-10 |
20190312186 | Side-Emitting LED with Increased Illumination - A light source includes a side-emitting, light emitting diode (LED) that is mounted on a printed circuit board (PCB) or other substrate. The LED is used to illuminate a target such as a sensor or the like. In order to increase the amount of illumination emitted by the LED that reaches the target, a reflector is located on the PCB. The reflector receives light that is emitted by the LED and directed toward the PCB and not the target. This light, which would otherwise be lost, is reflected by the reflector and re-directed toward the target. By reducing the amount of light is lost, the amount of light reaching the target can be increased without a commensurate increase in the current supplied to the LED. | 2019-10-10 |
20190312187 | SEMICONDUCTOR LIGHT-EMITTING APPARATUS HAVING LIGHT REFLECTION ADJUSTING MEMBER OF GRAY RESIN AND ITS MANUFACTURING METHOD - A semiconductor light-emitting apparatus is constructed by a wiring substrate, at least one semiconductor light-emitting element provided on the wiring substrate, at least one wavelength-converting member provided on the semiconductor light-emitting element, and a light reflection adjusting member directly covering a sidewall of the semiconductor light-emitting element and a sidewall of the wavelength-converting member. The light reflection adjusting member is formed of gray resin including light reflecting fillers and light absorbing fillers for visible light. | 2019-10-10 |
20190312188 | BASE MEMBER, AND METHOD OF MANUFACTURING LIGHT EMITTING DEVICE USING SAME - A base member includes a lead frame and a resin molded body in which the lead frame is embedded. The resin molded body and the lead frame define a plurality of recesses arranged in a matrix along a first direction and a second direction orthogonally crossing the first direction in a plan view. The resin molded body has a plurality of bottom surface portions each defining a part of a bottom surface of a corresponding one of the recesses, and a wall portion surrounding each of the bottom surface portions in the plan view, with an upper surface of the wall portion defining at least one a groove portion extending in the first direction or the second direction. | 2019-10-10 |
20190312189 | PIEZOELECTRIC RESONATOR DEVICE AND SYSTEM-IN-PACKAGE MODULE INCLUDING THE SAME - A crystal oscillator ( | 2019-10-10 |
20190312190 | PIEZOELECTRIC ELEMENT AND VIBRATING DEVICE - A piezoelectric element includes a piezoelectric body, an electrode layer, and a reinforcing layer. The piezoelectric body has a first main surface, a second main surface, and a side surface. The first main surface and the second main surface oppose each other. The side surface extends in an opposing direction in which the first main surface and the second main surface oppose each other in such a way as to connect the first main surface and the second main surface. The electrode layer is provided in the piezoelectric body. The reinforcing layer is provided on the first main surface. The electrode layer is provided opposing the first main surface and apart from the side surface. When viewed from the opposing direction, the electrode layer has a corner. When viewed from the opposing direction, the reinforcing layer overlaps the corner. | 2019-10-10 |
20190312191 | PIEZOELECTRIC SENSING MODULE, PIEZOELECTRIC SENSING MODULE DETECTING METHOD, AND PIEZOELECTRIC SENSING DETECTION SYSTEM THEREOF - A piezoelectric sensing module, a piezoelectric sensing module detecting method, and a piezoelectric sensing detection system thereof are disclosed. The piezoelectric sensing module is used for an operating tool. The piezoelectric sensing module includes a piezoelectric sensing film, and the piezoelectric sensing film includes at least a first to a sixth electrodes: wherein the first electrode is disposed between the third and the fourth electrodes, the second electrode is disposed between the fifth and the sixth electrodes; wherein the first and the second electrodes, the third and the fifth electrodes, and the fourth and the sixth electrodes are separated by a certain distance respectively, and a first angle between the first and the second electrodes, a second angle between the third and the fifth electrodes, and a third angle between the fourth and the sixth electrodes each have an included angle of 90 degrees. | 2019-10-10 |
20190312192 | REDUCING PARASITIC CAPACITIES IN A MICROELECTRONIC DEVICE - A microelectronic device including a substrate including, in a stack, a base portion, a dielectric portion and an upper layer with a semi-conductive material base, at least one electrical connection element made of an electrically conductive material located above the upper layer and electrically insulated from the upper layer at least by a dielectric layer, the dielectric layer being in contact with the surface of the upper layer, at least one dielectric element including at least one trench forming a closed edge at the periphery or upright of at least one portion of the dielectric electrical connection element, located at least partially in the upper layer and delimiting a closed zone of said upper layer, at least one dielectric element having a portion exposed to the surface of the upper layer, device wherein the dielectric layer totally covers the exposed portion of at least one dielectric element. | 2019-10-10 |
20190312193 | SHAPE CHANGE DEVICE - The invention provides a shape change device ( | 2019-10-10 |
20190312194 | DRY PLASMA ETCH METHOD TO PATTERN MRAM STACK - Methods of etching metal by depositing a material reactive with a metal to be etched and a halogen to form a volatile species and exposing the substrate to a halogen-containing gas and activation gas to etch the substrate are provided. Deposited materials may include silicon, germanium, titanium, carbon, tin, and combinations thereof. Methods are suitable for fabricating MRAM structures and may involve integrating ALD and ALE processes without breaking vacuum. | 2019-10-10 |
20190312195 | MULTI-RESISTANCE MRAM - Apparatuses, systems, and methods are disclosed for magnetoresistive random access memory. A magnetic tunnel junction for storing data may include a reference layer, a barrier layer, and a free layer. A barrier layer may be disposed between a reference layer and a free layer. A free layer may include a nucleation region and an arm. A nucleation region may be configured to form a magnetic domain wall. An arm may be narrower than a nucleation region and may extend from the nucleation region. An arm may include a plurality of pinning sites formed at predetermined locations along the arm for pinning a domain wall. | 2019-10-10 |
20190312196 | MULTI-RESISTANCE MRAM - Apparatuses, systems, and methods are disclosed for magnetoresistive random access memory. A magnetic tunnel junction (MTJ) for storing data may include a reference layer. A free layer of an MTJ may be separated from a reference layer by a barrier layer. A free layer may be configured such that one or more resistance states for an MTJ correspond to one or more positions of a magnetic domain wall within the free layer. A domain stabilization layer may be coupled to a portion of a free layer, and may be configured to prevent migration of a domain wall into the portion of the free layer. | 2019-10-10 |
20190312197 | Ion Beam Etching Fabricated Sub 30nm Vias to Reduce Conductive Material Re-Deposition for Sub 60nm MRAM Devices - A metal layer and first dielectric hard mask are deposited on a bottom electrode. These are patterned and etched to a first pattern size. The patterned metal layer is trimmed using IBE at an angle of 70-90 degrees wherein the metal layer is reduced to a second pattern size smaller than the first pattern size. A dielectric layer is deposited surrounding the patterned metal layer and polished to expose a top surface of the patterned metal layer to form a via connection to the bottom electrode. A MTJ stack is deposited on the dielectric layer and via connection. The MTJ stack is etched to a pattern size larger than the via size wherein an over etching is performed. Re-deposition material is formed on sidewalls of the dielectric layer underlying the MTJ device and not on sidewalls of a barrier layer of the MTJ device. | 2019-10-10 |
20190312198 | SPIN ORBIT TORQUE MAGNETORESISTIVE DEVICES AND METHODS THEREFOR - Spin-orbit-torque (SOT) lines are provided near free regions in magnetoresistive devices that include magnetic tunnel junctions. Current flowing through such SOT lines injects spin current into the free regions such that spin torque is applied to the free regions. The spin torque generated from a SOT switching line can be used to switching the free region or to act as an assist to spin-transfer torque generated by current flowing vertically through the magnetic tunnel junction, in order to improve the reliability, endurance, or both of the magnetoresistive device. Further, one or more additional layers or regions may improve the SOT switching efficiency and the thermal stability of magnetoresistive devices including SOT lines. | 2019-10-10 |
20190312199 | TUNABLE RESISTIVE ELEMENT - A tunable resistive element, comprising a first terminal, a second terminal, a dielectric layer and an intercalation layer. The dielectric layer and the intercalation layer are arranged in series between the first terminal and the second terminal. The dielectric layer is configured to form conductive filaments of oxygen vacancies on application of an electric field. The intercalation layer is configured to undergo a topotactic transition comprising an oxygen intercalation in combination with a change in the resistivity of the intercalation layer. A related memory device and a related neuromorphic network comprise resistive memory elements as memory cells and synapses respectively and a corresponding design structure. | 2019-10-10 |
20190312200 | SEMICONDUCTOR STRUCTURES INCLUDING LINERS COMPRISING ALUCONE AND RELATED METHODS - A semiconductor device including stacked structures. The stacked structures include at least two chalcogenide materials or alternating dielectric materials and conductive materials. A liner including alucone is formed on sidewalls of the stacked structures. Methods of forming the semiconductor device are also disclosed. | 2019-10-10 |
20190312201 | DISPLAY DEVICE MANUFACTURING METHOD - Missing parts from which parts of a resin film are cut out are formed in a region between a peeling start position on the resin film and display elements. After the display elements and the missing parts are formed, the resin film is peeled off from the peeling start position mechanically. | 2019-10-10 |
20190312202 | COMPOSITION, ORGANIC PHOTOELECTRONIC ELEMENT, AND PRODUCTION METHODS THEREFOR - To provide a composition having a very low refractive index, an organic photoelectronic element using the composition, and simple methods for producing such a composition and an organic photoelectronic element. | 2019-10-10 |
20190312203 | MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices, which comprise these compounds. | 2019-10-10 |
20190312204 | FILM OF QUANTUM DOT, METHOD FOR PATTERNING THE SAME AND QUANTUM DOT LIGHT EMITTING DEVICE USING THE SAME - The present disclosure provides a quantum dot thin film that is formed by cross-linking ligands of quantum dots with a photo cross-linker containing two or more azide groups. According to still another aspect of the present disclosure, a method for forming a quantum dot pattern includes: forming a quantum dot layer on a substrate by coating the substrate with a solution including quantum dots and a photo cross-linker containing two or more azide groups; placing a mask having a pattern on the quantum dot layer and performing UV exposure on the quantum dot layer; and forming a quantum dot pattern by removing a non-exposed region of the quantum dot layer. | 2019-10-10 |
20190312205 | A METHOD OF MANUFACTURING AN ORGANIC LIGHT-EMITTING DEVICE - A method of forming an organic light-emitting device comprising the steps of: forming a first light-emitting layer over an anode; forming a layer comprising a compound of formula (I) on the light-emitting layer to form a partially formed device: Formula (I) wherein Ar in each occurrence is independently a C | 2019-10-10 |
20190312206 | DOPED ORGANIC CARRIER TRANSPORT MATERIALS - The present invention provides for organometallic and organic dopants suitable for use in organic carrier transporting materials. Also provided are organic light emitting devices containing doped organic carrier transporting materials. | 2019-10-10 |
20190312207 | ORGANIC ELECTROLUMINESCENT ELEMENT - Provided is an organic electroluminescent element having optimal light emission characteristics. The above problem is solved by an organic electroluminescent element having a light emitting layer containing a compound of formula (1) or a multimer compound having a plurality of structures of formula (1), and a compound of formula (2A) or (2B) | 2019-10-10 |
20190312208 | Organic Electronic Device - The present invention relates to an organic electronic device, comprising a first electrode, a second electrode, and a substantially organic layer comprising a compound according to formula (I) between the first and the second electrode: | 2019-10-10 |
20190312209 | CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A condensed cyclic compound represented by Formula 1: | 2019-10-10 |
20190312210 | ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1. In Formula 1, X | 2019-10-10 |
20190312211 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME - The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same. | 2019-10-10 |
20190312212 | ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or excellent lifespan characteristic can be produced. | 2019-10-10 |
20190312213 | ORGANIC ELECTROLUMINESCENT MATERIAL AND APPLICATION THEREOF - The present disclosure provides organic electroluminescent material m-BPySCz and application thereof, which is a compound with a structure of Formula I. The compound is a bipolar host material characterized by high efficiency and slow decay. Compared to most of the small molecular materials described in prior art, the compound m-BPySCz exhibits slow decay at high brightness in both of blue light-emitting device and green light-emitting device. Therefore, the organic electroluminescent material has wide application prospect in preparation of electroluminescent devices. | 2019-10-10 |
20190312214 | 9 MEMBERED RING CARBAZOLE COMPOUNDS | 2019-10-10 |
20190312215 | COMPOSITION AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE - A composition including a first compound, the first compound being represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, and a second compound, the second compound being represented by Chemical Formula 3, as well as an organic optoelectronic device and a display device are disclosed. | 2019-10-10 |
20190312216 | ELECTRONIC SWITCHING ELEMENT - An electronic switching element ( | 2019-10-10 |
20190312217 | SYNTHESIS OF FOUR COORDINATED PALLADIUM COMPLEXES AND THEIR APPLICATIONS IN LIGHT EMITTING DEVICES THEREOF - Synthesis of four coordinated palladium complexes and their applications in light emitting devices thereof. | 2019-10-10 |
20190312218 | ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having low driving voltage and/or high luminous efficiency properties while exhibiting deep red color compared to a conventional organic electroluminescent device. | 2019-10-10 |
20190312219 | PLASTIC SUBSTRATE AND DISPLAY DEVICE COMPRISING THE SAME - A plastic substrate includes: a transparent plastic support member; a first inorganic layer on a surface of the plastic support member; and a first organic-inorganic hybrid layer on the first inorganic layer. A display device includes a display panel and a window on the display panel, the window including the plastic substrate. | 2019-10-10 |
20190312220 | DISPLAY APPARATUS AND METHOD FOR MANUFACTURING SAME - Provided is a display apparatus where: a red light-emitting layer is formed as a layer that is common to a first subpixel, a second subpixel, and a third subpixel; a blue light-emitting layer is formed as a layer that is common to the first subpixel and the second subpixel; and the green light-emitting layer is formed only in the second subpixel. | 2019-10-10 |
20190312221 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - Discussed is an organic light emitting display device. The organic light emitting display device may include an anode on a substrate, a first emission part that is disposed on the anode and includes a first emission layer and a first electron transfer layer, a second emission part that is disposed on the first emission part and includes a second emission layer and a second electron transfer layer, and a cathode on the second emission part. At least one among the first electron transfer layer and the second electron transfer layer may include a first material and a second material, and an absolute value of a LUMO energy level of the first material may be larger than an absolute value of a LUMO energy level of the second material. | 2019-10-10 |
20190312222 | LIGHT-EMITTING DEVICE INCLUDING QUANTUM DOTS - A light emitting device including an emissive material comprising quantum dots is disclosed. In one embodiment, the device includes a cathode, a layer comprising a material capable of transporting and injection electrons comprising an inorganic material, an emissive layer comprising quantum dots, a layer comprising a material capable of transporting holes, a layer comprising a hole injection material, and an anode. In certain embodiments, the hole injection material can be a p-type doped hole transport material. In certain preferred embodiments, quantum dots comprise semiconductor nanocrystals. In another aspect of the invention, there is provided a light emitting device wherein the device has an initial turn-on voltage that is not greater than 1240/λ, wherein λ represents the wavelength (nm) of light emitted by the emissive layer. Other light emitting devices and a method are disclosed. | 2019-10-10 |
20190312223 | ORGANIC LIGHT EMITTING DEVICE - The present invention provides an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport layer comprising a compound represented by Chemical Formula 2, and having improved driving voltage and efficiency. | 2019-10-10 |
20190312224 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A display apparatus, comprising an element substrate including a display portion formed by arraying a plurality of organic light emitting elements on a base and a connecting portion provided on the base so as to be separated from the display portion, a driving substrate connected to the connecting portion so as to be configured to drive the display portion, and a heat-insulating portion provided between the display portion and the connecting portion in planar view in the base and configured to have lower heat conductivity than the base. | 2019-10-10 |
20190312225 | ELECTROLUMINESCENT DISPLAY PANEL AND MANUFACTURING METHOD THEREOF, DISPLAY DEVICE - An electroluminescent display panel and manufacturing method thereof, and a display device are provided. The electroluminescent display panel includes a base substrate, pixel structures disposed on the base substrate; and an encapsulating layer disposed on the pixel structures. The pixel structures are arranged in an array, the pixel structure including a plurality of sub-pixels arranged in an array, the pixel structure array has a first direction and a second direction intersected with each other, the edge of the sub-pixel including a first portion gradually away from a straight line where the first direction lies, and an extending direction of the first portion does not coincide with the second direction. | 2019-10-10 |
20190312226 | FLEXIBLE OLED PANEL, THIN-FILM ENCAPSULATION STRUCTURE OF FLEXIBLE PANEL AND ENCAPSULATION METHOD FOR THE SAME - The present invention relates to a flexible OLED panel, thin-film encapsulation structure of flexible panel and encapsulation method for the same. The present invention includes a first inorganic layer, a first organic layer and a second inorganic layer structure, wherein the first organic layer is prepared by using hexamethyldisiloxane which is an organic material to form the first retaining wall. The hydrophilicity/hydrophobicity between the first retaining wall and the first organic layer is oppositely disposed such that the surface of the first retaining wall and the first organic layer do not mutually dissolve when contacted. The feature can greatly reduce the thickness of the at least one retaining wall. While ensuring that the flexible panel display region is shielded from external water oxygen, covering the particle contaminant of the flexible panel, buffering the stress during bending and folding, and the present invention has more simplified and more reliable features. | 2019-10-10 |
20190312227 | OLED DEVICE ENCAPSULATING METHOD AND STRUCTURE, OLED DEVICE, AND DISPLAY SCREEN - A display screen includes an OLED device encapsulating structure that encapsulates an OLED. The OLED device encapsulating structure includes a substrate, a barrier layer formed on the substrate, a surface active layer disposed on the barrier layer, and a buffer layer stacked on the surface active layer. An orthogonal projection of the buffer layer on the barrier layer is coincident with that of the surface active layer on the barrier layer. A composite layer may be further stacked on the buffer. | 2019-10-10 |
20190312228 | MANUFACTURING METHOD OF ELECTRO-OPTICAL DEVICE AND ELECTRO-OPTICAL DEVICE - A first protruding portion that has a surface having liquid-philic properties to an ink material and has a frame shape and a second protruding portion that has a surface having liquid-repellent properties to the ink material, surrounds the first protruding portion such that at least a part of the first protruding portion is located inside, and has a frame shape are formed so as to surround an electro-optical element. Then, the ink material is applied to a region surrounded by the first protruding portion and is cured, and thus an organic layer that seals the electro-optical element is formed. | 2019-10-10 |
20190312229 | DISPLAY DEVICE - A display device includes: a substrate having: a display area; and a non-display area surrounding the display area; an inorganic layer disposed in the display area and the non-display area, the inorganic layer including openings exposing the substrate; a protruding portion disposed overlapping the openings, the protruding portion contacting the substrate exposed by the openings and including an organic material; and a passivation layer disposed on the inorganic layer, the passivation layer contacting the protruding portion. Such as structure is capable of minimizing or reducing the formation of cracks and preventing or reducing formed cracks from being propagated to the inside of the display device. | 2019-10-10 |
20190312230 | ORGANIC EL DISPLAY DEVICE - A display device includes: a plurality of organic layers each made of an organic material and each having a predetermined modulus of elasticity and a predetermined thickness; and a plurality of inorganic layers each made of an inorganic material and each having a predetermined modulus of elasticity and a predetermined thickness. The plurality of organic layers and the plurality of inorganic layers are stacked together to constitute a device body which forms the display device. A quotient obtained by dividing the sum of flexural rigidities of the plurality of inorganic layers by the sum total of the sum of flexural rigidities of the plurality of organic layers and the sum of the flexural rigidities of the plurality of inorganic layers is 0.78 or higher and 1 or lower. | 2019-10-10 |
20190312231 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - Provided are an organic light emitting diode display device and a manufacturing method thereof. The method includes: preparing a thin film transistor layer on a glass substrate; preparing an organic light emitting diode element layer on the thin film transistor layer, and preparing a barrier layer and a buffer layer on the glass substrate, wherein the barrier layer covers the OLED element layer; preparing the plurality of grooves in the barrier layer, and preparing a water absorbing material layer in the plurality of grooves. The permeability of water and oxygen is reduced for lowering the risk of breakage of the barrier layer and the buffer layer, and improving the service life of the OLED display device. | 2019-10-10 |
20190312232 | LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - A light emitting element having an organic compound, which can be extended its longevity is provided. According to the present invention, there is provided a constitution in which, in order to protect a light emitting element from moisture, an inorganic insulating film | 2019-10-10 |
20190312233 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - Disclosed is an organic light emitting diode display device. The disclosed organic light emitting diode display device includes an overcoat layer disposed on a substrate that is divided into an emissive area and a non-emissive area, and has multiple micro lenses in the emissive area and at least one depression in the non-emissive area. The organic light emitting diode display device further includes: a first electrode disposed on the overcoat layer, wherein the first electrode is disposed in the entire emissive area and in a part of the non-emissive area; a bank pattern disposed in the non-emissive area so as to be superposed on the depression; an organic light emitting layer disposed on the substrate; and a second electrode disposed on the organic light emitting layer. Accordingly, the organic light emitting diode display device may prevent light leakage. | 2019-10-10 |
20190312234 | OLED PANEL AND MANUFACTURING METHOD THEREOF AND OLED DISPLAY - The present disclosure provides an OLED panel and a manufacturing method thereof and OLED display. The OLED panel includes a reflecting wall located between two adjacent light-emitting regions and within a pixel defining layer. Therefore, the present disclosure can improve light emission rate, reduce power consumption and prolong service life of device, and eliminate mixing phenomenon caused by mixing different color light emitted from adjacent light-emitting regions. | 2019-10-10 |
20190312235 | ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT PANEL, AND ELECTRONIC APPARATUS - An organic electroluminescent element includes, in order, a substrate, a first electrode layer, a light-emitting layer, a second electrode layer, a first refractive index layer, and a second refractive index layer. The first refractive index layer and the second refractive index layer are in contact with each other at an interface. The light-emitting layer has a light-emitting region opposed to the first electrode layer. The interface has a recess opposed to the light-emitting region. | 2019-10-10 |
20190312236 | WELDING PROCESS FOR SEALING A BATTERY MODULE - The present disclosure relates to a battery module that includes a housing having a first protruding shelf along a first perimeter of the housing, a second protruding shelf along a second perimeter of the housing, where the first and second protruding shelves each include an absorptive material configured to absorb a first laser emission. The battery module also includes an electronics compartment cover configured to be coupled to the housing via a first laser weld, and a cell receptacle region cover configured to be coupled to the housing via a second laser weld. The electronics compartment cover has a first transparent material configured to transmit the first laser emission toward the first protruding shelf and the cell receptacle region cover has a second transparent material configured to transmit the first laser emission or a second laser emission toward the second protruding shelf. | 2019-10-10 |
20190312237 | Battery Cell Having Recessed Portion Formed In Connection Region Between Receiving Units - Disclosed herein is a battery cell including a battery case having an initial position and an assembled position, and an electrode assembly. The electrode assembly may include a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The electrode assembly may be mounted in the battery case in the assembled position. The battery case may include a first receiving unit and a second receiving unit formed in the battery case and spaced apart from each other when the battery case is in the initial position, the first and second receiving units receiving a respective portion of the electrode assembly when the battery case is in the assembled position, and a bridge region having a recessed portion that is recessed in a direction identical to the depth direction of each of the receiving units when the battery case is in the initial position. | 2019-10-10 |
20190312238 | BATTERY MODULE AND VEHICLE INCLUDING THE SAME - A battery module and a vehicle including the same are disclosed. According to an exemplary embodiment of the present invention, the battery module may include: a plurality of battery cells; a housing configured to include a base plate, a housing frame, and a cover plate; and a gasket interposed between the housing frame and the base plate and between the housing frame and the cover plate, wherein an upper flange of the housing frame facing the cover plate and a lower flange of the housing frame facing the base plate have a step shape forming a recess portion opened to an inner side of the housing plate, and the gasket is disposed in the recess portion. | 2019-10-10 |
20190312239 | BASE BODY FOR FEEDING THROUGH OF A CONDUCTOR, AND A HOUSING COMPONENT OF A HOUSING, IN PARTICULAR A BATTERY HOUSING COMPRISING SAID BASE BODY - A base body includes at least one opening through which at least one functional element surrounded by a glass or glass ceramic material is fed through the opening of the base body for connection with a housing comprising a light metal, in particular aluminum. The base body consists at least partially of a light metal, such as a light metal alloy which has a yield point greater than 40 | 2019-10-10 |
20190312240 | BATTERY PACK - Provided is a battery pack which has excellent battery characteristics and excellent reliability. The battery pack includes at least a battery cell and a holder, where the battery cell is configured to be accommodated in the holder, the holder includes a plate-shaped member having a first placement surface with the battery cell placed thereon, and a first side surface member and a second side surface member that are substantially perpendicular to the first placement surface and extend to the side with the battery cell, where the first side surface member and the second side surface member are larger in length extending to the side with the battery cell than the battery cell in a direction substantially perpendicular to the first placement surface. | 2019-10-10 |
20190312241 | ENERGY STORAGE AND POWER SUPPLY SYSTEM WITH RESERVE MODE AND OVERRIDE - An energy storage and power supply device includes an energy storage unit, an output coupled to the energy storage unit, and a processing circuit. The energy storage unit is configured to store electrical energy. The output is configured to facilitate providing power from the energy storage unit to a load. The processing circuit is configured to selectively restrict a power flow provided to the output by the energy storage unit in response to an operating characteristic of the energy storage and power supply device satisfying a threshold condition. | 2019-10-10 |
20190312242 | CORDLESS POWER TOOL SYSTEM - This application relates to a power tool system including a plurality of power tools, a plurality of battery packs and at least one battery pack charger and method for operating the power tools with the battery packs. This application also relates to a method for charging the battery packs and a method for monitoring a state of charge of the battery pack. In one implementation, the system includes an existing battery pack designed to provide (output) a relatively low voltage, an existing power tool designed to operate at the relatively low voltage, a new battery pack designed to provide (output) the relatively low voltage and a relatively high voltage, and a new power tool designed to operate at the relatively high voltage. | 2019-10-10 |
20190312243 | METHOD AND BATTERY ASSEMBLY FOR ELECTRIFIED VEHICLE - A method according to an exemplary aspect of the present disclosure includes, among other things, compressing a cell stack, which itself includes at least one battery cell and a support plate spaced-apart from an upper surface of the cell(s). The method further includes inserting the cell stack into a pocket of a structural assembly by applying a force to the support plate. A battery assembly is also disclosed. | 2019-10-10 |
20190312244 | BATTERY PACK ENCLOSURE - A battery pack enclosure for holding a stack of batteries is disclosed. The battery pack enclosure comprises a lid section and a base section configured to hold a plurality of wall sections therebetween to encapsulate the stack of batteries. The sections comprise mutually complementary mating portions for mating with adjacent sections of the battery pack enclosure. The number of wall sections can be chosen to adjust the dimensions of the battery pack enclosure. | 2019-10-10 |
20190312245 | Fastening Assembly on a Battery Housing and Battery Housing Having Such a Fastening Assembly - The invention relates, inter alia, to an assembly for fastening an upper shell or a lid to a lower shell of a battery housing, said assembly having at least one fastening element, by means of which the upper shell or the lid is or can be frictionally connected to the lower shell in the region of contact flanges, which correspond with each other and are laid one over the other. The at least one fastening element is formed by a rail element that has a U-profile-shaped cross-section at least in some sections which rail element has a web and an upper and a lower flange and is or can be slid onto the contact flanges from the end edges of the contact flanges, which are laid one over the other, and is or can be at least frictionally connected to the contact flanges as a result of a subsequent movement in the longitudinal direction of the contact flanges. | 2019-10-10 |
20190312246 | ELECTRIFIED VEHICLE WITH BATTERY ARRANGEMENT PERMITTING RELATIVE TRANSVERSE MOVEMENT OF INDIVIDUAL MODULES - This disclosure relates to a battery arrangement for an electrified vehicle. Among other things, the battery arrangement includes first and second battery modules, each of which includes a battery module housing. Adjacent surfaces of these battery module housings are interlocked such that that the first and second battery modules are configured to slide relative to one another in a transverse direction of the electrified vehicle. Accordingly, this disclosure increases safety while saving space and without requiring undue reinforcements of the chassis structure, which would increase the weight of the vehicle and reduce the energy efficiency the vehicle. These and other benefits will be appreciated from the following description. | 2019-10-10 |
20190312247 | ELECTRIFIED VEHICLE WITH BATTERY ARRANGEMENT INCLUDING GUIDE PERMITTING RELATIVE TRANSVERSEMOVEMENT OF INDIVIDUAL MODULES - This disclosure relates to a battery arrangement for an electrified vehicle. In particular, the battery arrangement includes modules which are configured to move relative to one another in a transverse direction. For instance, an example battery arrangement includes a guide, and first and second battery modules. The guide is arranged at least partially between adjacent surfaces of the battery module housings and is configured to permit the first and second battery modules to slide relative to one another in a transverse direction of the electrified vehicle. | 2019-10-10 |
20190312248 | Composition for Manufacturing Secondary Battery Separator and Secondary Battery Including the Same - The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil. | 2019-10-10 |
20190312249 | METHOD FOR MANUFACTURING SEPARATOR ROLL - Provided is a separator roll in which deformation is reduced and an external quality is improved. In the separator roll, a separator is wound around a core, and an absolute value of radial stress σ | 2019-10-10 |
20190312250 | WIRING MODULE - Provided is a wiring module to be attached to a power storage element group having a plurality of power storage elements, the wiring module including: bus bars; a plurality of coupling units for holding the bus bars; and a coupling portion for coupling the plurality of coupling units. The coupling portion includes: a locking portion arranged on an end portion of one coupling unit of the plurality of coupling units; and a locked portion that is arranged on another coupling unit adjacent to the one coupling unit and onto which the locking portion of the one coupling unit is to be locked. The locking portion extends in a direction intersecting a coupling direction in which the plurality of coupling units are coupled. | 2019-10-10 |
20190312251 | AGGREGATED BATTERY SYSTEM - A battery system includes multiple cells arranged in a common cell enclosure that can also be used for a structure and heat transfer fluid conduit. The battery system also includes a first collector plate. The first collector plate has multiple collector tabs that correspond to the multiple cells. Each collector tab is connected to a cathode of a corresponding cell from amongst the multiple cells present in the battery system. | 2019-10-10 |
20190312252 | RECHARGEABLE BATTERY - A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly that includes a first electrode, a second electrode, and a separator that is disposed between the first electrode and the second electrode; a case that receives the electrode assembly and includes an opening; a cap plate that is coupled to the opening and includes a cutout; and a first current collecting member that is integrally formed with the cap plate and thus is bent toward the inside of the case from the cap plate, and is electrically connected with the first electrode. | 2019-10-10 |
20190312253 | SQUARE SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME - To provide a square secondary battery with a high reliability. A square secondary battery ( | 2019-10-10 |
20190312254 | PROTECTIVE COATING FOR LITHIUM-CONTAINING ELECTRODE AND METHODS OF MAKING THE SAME - A lithium-containing electrode with a protective coating and lithium-containing electrochemical cells including the same are provided herein. The protective coating has a first layer including a first fluoropolymeric matrix and Li—F compounds and a second layer including a second fluoropolymeric matrix. Methods of preparing the protective coating on the lithium-containing electrode by applying a first fluoropolymer and/or a first fluoropolymer precursor and a second fluoropolymer and/or a second fluoropolymer precursor are also provided herein. | 2019-10-10 |
20190312255 | METHOD OF MANUFACTURING A LITHIUM METAL NEGATIVE ELECTRODE - A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by welding together a lithium metal layer and a metallic current collector layer. The lithium metal layer and the current collector layer may be arranged adjacent one another and in an at least partially lapped configuration such that faying surfaces of the layers confront one another and establish a faying interface therebetween at a weld site. A laser beam may be directed at an outer surface of the current collector layer at the weld site to melt a portion of the lithium metal layer adjacent the faying surface of the current collector layer and produce a lithium metal molten weld pool. The laser beam may be terminated to solidify the molten weld pool into a solid weld joint that physically bonds the lithium metal layer and the current collector layer together at the weld site. | 2019-10-10 |
20190312256 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A secondary battery | 2019-10-10 |
20190312257 | NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY, NEGATIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY - Provided are: a negative electrode material for nonaqueous secondary batteries, which has a high capacity and exhibits excellent low-temperature input-output characteristics, charge-discharge rate characteristics, cycle characteristics, and the like; and a negative electrode for nonaqueous secondary batteries and a nonaqueous secondary battery, which include the negative electrode material. The negative electrode material for nonaqueous secondary batteries includes silicon oxide particles (A) and a carbon material (B), wherein the silicon oxide particles (A) contain zero-valent silicon atoms, and the carbon material (B) has a volume resistivity of less than 0.14 Ω·cm at a powder density of 1.1 g/cm | 2019-10-10 |
20190312258 | NEGATIVE ELECTRODE OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode of a nonaqueous electrolyte secondary battery, which is provided with a collector and a negative electrode active material layer that is formed on the collector, and which is characterized in that: the negative electrode active material layer contains a carbon-based negative electrode active material, a silicon-based negative electrode active material, a conductive agent and a predetermined carboxy methylcellulose or a salt thereof; the content of the carboxy methylcellulose or a salt thereof is from 4% by mass to 15% by mass (inclusive) relative to the total mass of the negative electrode active material layer; and the content of the silicon-based negative electrode active material relative to the total content of the carbon-based negative electrode active material and the silicon-based negative electrode active material is from 3% by mass to 19% by mass (inclusive). | 2019-10-10 |
20190312259 | Positive Electrode For Lithium Secondary Battery And Method For Manufacturing The Same - A positive electrode for a lithium secondary battery includes a positive electrode current collector; a lower positive electrode active material layer disposed on at least one surface of the positive electrode current collector; and an upper positive electrode active material layer disposed on the lower positive electrode active material layer, wherein the lower positive electrode active material layer includes 90% or more of a sphere-type carbonaceous conductive material as a conductive material, the upper positive electrode active material layer includes 90% or more of a needle-type carbonaceous conductive material as a conductive material, and the content of the conductive material contained in the lower positive electrode active material layer is larger than the content of the conductive material contained in the upper positive electrode active material layer. | 2019-10-10 |
20190312260 | Positive Electrode Active Material Particle Including Core Including Lithium Cobalt Oxide And Shell Including Lithium Cobalt Phosphate And Preparation Method Thereof - Provided is a positive electrode active material particle including a core that includes lithium cobalt oxide represented by the following Chemical Formula 1; and a shell that is located on the surface of the core and includes lithium cobalt phosphate represented by the following Chemical Formula 2, wherein the shell has a tetrahedral phase: | 2019-10-10 |
20190312261 | PRODUCTION PROCESS FOR A GRAPHENE FOAM-PROTECTED SELENIUM CATHODE AND AN ALKALI METAL-SELENIUM SECONDARY BATTERY CONTAINING SAME - A process for producing a graphene foam-protected selenium cathode layer, the process comprising: (A) preparing a layer of solid graphene foam having pores (or cells) and pore/cell walls containing graphene sheets and having a physical density from | 2019-10-10 |
20190312262 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery including a positive electrode containing a positive electrode mixture, a negative electrode, and a nonaqueous electrolyte containing a nonaqueous solvent and a lithium salt dissolved in the nonaqueous solvent. The positive electrode mixture contains a positive electrode active material and a phosphate salt, the positive electrode active material contains a lithium-nickel composite oxide represented by formula (1): Li | 2019-10-10 |
20190312263 | CARBON ENCAPSULATED SULFUR-METAL OXIDE COMPOSITE, METHODS OF PREPARATION, AND USES THEREOF - Methods of producing a porous material having a yolk-shell structure that includes a polysulfide trapping agent are described. The porous material can include an elemental sulfur nanostructure comprised in hollow space of the interior of the porous material. The method can include heat-treating a core-shell material that includes a polysulfide trapping agent/polymer core@carbon-containing shell to produce a polysulfide trapping agent@carbon-containing porous shell. The polysulfide trapping agent@carbon-containing porous shell can be impregnated with sulfur to form a sulfur@ polysulfide trapping agent@carbon-containing porous shell composite. | 2019-10-10 |
20190312264 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative active material and a rechargeable lithium battery, the negative active material including a silicon-carbon composite, the silicon-carbon composite including crystalline carbon; amorphous carbon; and silicon nanoparticles having a needle shape, a flake shape, a sheet shape, or a combination thereof, wherein the silicon nanoparticles have a D50 particle diameter of 5 nm to 150 nm and an aspect ratio of 4 to 10. | 2019-10-10 |
20190312265 | METHOD FOR PREPARING CATHODE PARTICLES AND CATHODE ACTIVE MATERIALS HAVING SAME - The invention relates to a method for preparing cathode particles under a co-precipitation reaction by feeding NaOH and metal sulfate solution into different vessels. The invention further provides a cathode active material having the cathode particles. By the method of the invention, the number density distribution of prepared particles is much smaller than feeding NaOH and metal sulfate together into same vessel. | 2019-10-10 |
20190312266 | SOLUTION-BASED FORMATION OF A NANOSTRUCTURED, CARBON-COATED, INORGANIC COMPOSITE - A process for solution-based formation of a nanostructured, carbon-coated, inorganic composite includes selecting a supply of inorganic material in a solution, selecting a supply of a carbon-containing solution, and synthesizing the composite by causing the inorganic material to react in the carbon-containing solution. The synthesized composite may be conductive-carbon-coated, and may be for electrochemical applications such as battery cathodes and anodes. The selecting step may involve varying relative amounts of polar fluid, microblender and water components to synthesize a crystalline inorganic composite. There may be a step of retaining and reusing the supply of carbon-containing solution that remains after the synthesizing, and testing the supply of carbon-containing solution that remains to determine whether it can be used again. There may be steps of controlling the composite particle size and morphology and forming desired particle size as a function of the chemical composition of the carbon-containing solution. | 2019-10-10 |
20190312267 | PRODUCTION PROCESS FOR GRAPHENE-ENABLED SELENIUM CATHODE ACTIVE MATERIAL FOR AN ALKALI METAL-SELENIUM SECONDARY BATTERY - A process for producing graphene-enabled hybrid particulates for use as a cathode active material of an alkali metal battery, the process comprising: (a) preparing a mixture suspension of graphene sheets and a selenium material dispersed in a liquid medium; and (b) dispensing and forming the mixture suspension into hybrid particulates, wherein at least one of the hybrid particulates comprises a single or a plurality of graphene sheets and a plurality of fine selenium particles or coatings, having a diameter or thickness from 0.5 nm to 10 μm, and the graphene sheets and the selenium particles or coatings are mutually bonded or agglomerated into the hybrid particulate containing an exterior graphene sheet or multiple exterior graphene sheets embracing the selenium particles or coatings, and wherein the graphene is in an amount from 0.01% to 30% by weight based on the total weight of graphene and selenium combined. | 2019-10-10 |
20190312268 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte having a lithium ion conductivity, and the negative electrode includes a negative electrode collector, a negative electrode active material layer provided on a surface of the negative electrode collector, and a coating film which at least partially covers a surface of the negative electrode active material layer and which has a lithium ion permeability. The coating film contains a lithium compound which contains an element M, an element A, an element F, and lithium; the element M is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta; and the element A is at least one selected from the group consisting of S, O, N, and Br. | 2019-10-10 |
20190312269 | STABLE LOW VOLTAGE ELECTROCHEMICAL CELL - Provided are primary electrochemical cells having a stable operating voltage of 0.3 V to 2.0 V that include a Li anode coupled to a cathode that is formed of one or more Group 4A, 3A, or 5A elements provided alone or as an alloy with a second, third or other Group 4A, 3A, or 5A element or one or more transition metals. The cells further include a non-aqueous electrolyte optionally with low volatility such as having a vapor pressure of 5 mm Hg or lower at STP, and optionally a lithium-ion conductive and electrically insulating separator inserted between the anode and the cathode. The cells provide stable operating voltage that in some aspects can serve to power ultra-low power devices for 10 or more years without the need for expensive or inefficient circuitry to alter the cell voltage. | 2019-10-10 |
20190312270 | Negative Electrode Active Material for Electrical Device, and Electrical Device Including the Same - A negative electrode active material including a silicon-containing alloy having a ternary alloy composition expressed by Si—Sn—Ti and including a structure in which an a-Si phase containing amorphous or low-crystalline silicon formed by dissolving tin in a crystal structure of silicon is dispersed in a parent phase of a silicide phase including TiSi | 2019-10-10 |
20190312271 | NEGATIVE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to a negative active material for a secondary battery, the anode active material comprising: an Si main phase including crystalline Si; and a matrix coexisting with the Si main phase, wherein at least a part of the matrix has a crystal lattice parameter which is one among n times, 1/n times, n√2 times, n/√2 times, and n√5 times (n is an integer) that of the Si main phase. | 2019-10-10 |