Abstract: A quantum dot including a core including a semiconductor nanocrystal including a Group III-V compound; and a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc, selenium, and optionally sulfur, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc, sulfur, and optionally selenium, wherein the quantum dot does not include cadmium, an emission peak wavelength of the quantum dot is in a range of about 500 nanometers (nm) to about 550 nm, and an ultraviolet-visible absorption spectrum of the quantum dot includes a first exciton absorption peak and a second exciton absorption peak, a composition including the same, a composite, and an electronic device.

Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.

Abstract: An organic light emitting device including a light emitting layer, which comprises one or more of compounds represented by Formulae 1-1 to 1-3, and a compound represented by Formula 2.

Abstract: An organic light emitting device including a light emitting layer, which comprises one or more of compounds represented by Formulae 1-1 to 1-3, and a compound represented by Formula 2.

Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.

Abstract: An ultrasound diagnosis apparatus includes a two-dimensional (2D) array ultrasound probe configured to emit focused beams onto focusing points and detect echo signals; and a processor configured to determine the focusing points on a cross-section of interest and acquire shear wave elasticity data with respect to the cross-section of interest based on the detected echo signals.

Abstract: Provided is a folding packaging cooler box convertible from a box mode to an unfolding mode or vice versa, comprising: a box portion having a bottom portion, sidewall portions and joint portions configured to connect with one another and to form a single plane in the unfolding mode; and a cooling reinforcing portion configured to be inserted to the inside of the box and to form a hexahedron shape together with said box portion when said box portion is converted into the box mode, wherein said cooling reinforcing portion comprises a reinforcing bottom portion configured to form a lower surface and to face the bottom portion of the said box portion upon conversion into the box mode; reinforcing sidewall portions configured to connect with the said reinforcing bottom portion and to face the sidewall portions of said box portion; and reinforcing joint portions configured to join said reinforcing sidewall portions, to be folded to face itself and to be in close contact with the reinforcing sidewall portions, upon

Abstract: A display panel, a method of manufacturing the same, and an electronic device including the display panel. The display panel includes a light emitting device array including a plurality of light emitting devices, a color conversion layer disposed on the light emitting device array and converting the emission spectrum of light emitted from the light emitting device array, and an encapsulation film on the color conversion layer, wherein the color conversion layer includes a quantum dot-polymer pattern including a quantum dot-polymer composite, an average roughness (Ra) of an upper surface of the quantum dot-polymer pattern is less than or equal to about 3% of a thickness of the encapsulation film.

Abstract: A stealth antenna includes an electromagnetic wave absorbing structure and an antenna patch embedded in the electromagnetic wave absorbing structure. The electromagnetic wave absorbing structure includes an upper dielectric layer, a lower dielectric layer and a spacer disposed between the upper dielectric layer and the lower dielectric layer. The upper dielectric layer includes a dielectric fabric and a conductive coating layer combined with at least a portion of the dielectric fabric. The lower dielectric layer includes a dielectric fabric and has a dielectric constant lower than that of the upper dielectric layer. The antenna patch is disposed between the spacer and the lower dielectric layer.

Abstract: An apparatus for manufacturing an electrode assembly includes a separator supply unit, table, separator guide, first adhesive supply unit, and pair of tensioners. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting electrodes and sections of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The first adhesive supply unit is configured for applying an adhesive to portions of the separator sheet and the electrodes supported by the table. The pair of tensioners are each configured for pressing an uppermost section of the separator sheet guided by the separator guide against the table or against a placed electrode that directly underlies the uppermost section. The electrode assembly is manufactured by a process using the apparatus.

Abstract: A multi-slot die coater has improved a deviation in a width direction of a slot gap caused by a structural feature including a thin die block. The multi-slot die coater including a lower slot and an upper slot includes a lower die block; an intermediate die block disposed on the lower die block to form the lower slot therebetween; and an upper die block disposed on the intermediate die block to form the upper slot therebetween, wherein the intermediate die block comprises a manifold that accommodates a coating solution, and is communicatively connected to the upper slot, and wherein a shortest distance from distances from any points on a bottom surface of the manifold to any points on the second surface is equal to or greater than 10 mm.

Abstract: An apparatus for manufacturing an electrode assembly includes a separator supply unit, a table, a separator guide, and first and second upper adhesive supply units. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting a plurality of electrodes and sections of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The first and the second upper adhesive supply units are configured for applying an adhesive to respective sections of the separator sheet. The table is configured for rotating in a first rotational direction such that a first table side of the table moves closer to the second upper adhesive supply unit and in a second rotational direction such that a second table side of the table moves closer to the first adhesive supply unit.

Abstract: Provided is a polycyclic compound of Formula 100: where Cy3 and Cy4 are the same as or different from each other, and are each independently one selected from the group consisting of a substituted or unsubstituted aromatic hydrocarbon ring, a substituted or unsubstituted aliphatic hydrocarbon ring, and a substituted or unsubstituted aromatic hetero ring, or a ring in which two or more rings selected from the group are fused, and an organic light-emitting element comprising the same.

Abstract: An apparatus for manufacturing an electrode assembly includes a separator supply unit, a table, a separator guide, and a pair of upper adhesive supply units. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting an electrode and a portion of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The pair of upper adhesive supply units are configured for applying an adhesive to at least a part of an uppermost electrode supported by the table. The separator guide and the pair of upper adhesive supply units are configured for translation over and relative to the table. The electrode assembly is manufactured by a process using the apparatus.

Abstract: A positive electrode active material, a method for producing the same, and a positive electrode and a lithium secondary battery in including the same are disclosed herein. In some embodiments, a method of producing a positive electrode active material includes mixing a lithium transition metal oxide and a carbon-based material having a hollow structure to form a mixture, and mechanically treating the mixture to form a carbon coating layer on the surface of the lithium transition metal oxide, wherein the carbon-based material has a chain shape, and has a specific surface area of 500 m2/g or greater, a graphitization degree (ID/IG) of 1.0 or higher, and a dibutylphthalate (DBP) absorption of 300 mL/100 g or greater.

Abstract: A quantum dot, and a quantum dot composite and a device including the same, wherein the quantum dot includes a seed including a first semiconductor nanocrystal, a quantum well layer disposed on the seed and a shell disposed on the quantum well layer, the shell including a second semiconductor nanocrystal, and wherein the quantum dot does not include cadmium, wherein the first semiconductor nanocrystal includes a first zinc chalcogenide, wherein the second semiconductor nanocrystal includes a second zinc chalcogenide, and the quantum well layer includes an alloy semiconductor nanocrystal including indium (In), phosphorus (P), and gallium (Ga), and wherein a bandgap energy of the alloy semiconductor nanocrystal is less than a bandgap energy of the first semiconductor nanocrystal and less than a bandgap energy of the second semiconductor nanocrystal.

Abstract: The present disclosure discloses a substrate heating apparatus for heating a substrate, wherein the substrate heating apparatus includes: a body including a substrate seating portion on which the substrate is seated, to support the substrate; a first heating element located in an inner region of the body; a second heating element located in an outer region surrounding the inner region; a third heating element configured to transmit current to the second heating element across the inner region of the body; and a connecting member electrically interconnecting the second heating element and the third heating element, wherein the connecting member is made of a molybdenum-tungsten alloy containing molybdenum and tungsten.

Abstract: A camera module according to an embodiment of the present invention comprises: a circuit board; a light source and an image sensor arranged on the circuit board; a housing arranged on the circuit board; an optical member arranged on the light source and including an electrode; and a conductive portion which is arranged in the housing and electrically connects the electrode of the optical member to the circuit board.

Abstract: Various aspects of this disclosure provide a method of manufacturing an electronic device and an electronic device manufactured thereby. As a non-limiting example, various aspects of this disclosure provide a method of manufacturing an electronic device, and an electronic device manufactured thereby, that utilizes ink to form an intermetallic bond between respective conductive interconnection structures of a semiconductor die and a substrate.

Abstract: The present invention belongs to the technical field of injection molding soles, and particularly relates to an injection molding sole material, sole containing same and preparation method and application thereof. The invention can solve the environmental pollution caused by the extensive use of petroleum-based polymer compounds in the existing shoe sole materials, by subjecting the PLA to chain extension modification, the modified PLA has better toughness and compatibility, the injection molding sole material prepared from the modified PLA and other raw materials has thermal stability, oxidation resistance, heat resistance and compressive strength, the application field of the PLA is greatly expanded, the PLA material is introduced into the shoemaking industry for the first time, which guides and promotes the development of degradable shoe material.