Abstract: A light emitting device including a first electrode and a second electrode, and an emission layer disposed between the first electrode and the second electrode and including quantum dots, a first charge auxiliary layer disposed between the emission layer and the first electrode, and a second charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer comprises a first emission layer contacting the first charge auxiliary layer, a second emission layer disposed on the first emission layer, and a third emission layer disposed on the second emission layer. The hole mobility of the first emission layer decreases sequentially from the first emission layer to the third emission layer.

Abstract: A device for providing a location-based automatic participation chat room, the device, when a request to open a chat room is received along with service location information from at least one host terminal, creates at least one chat room, and sets a chat room identifier and a recognition code corresponding to each of the at least one chat room, and when at least one guest terminal accesses a location corresponding to the service location information using a pre-set participation means or the recognition code included in the participation means is received, makes the guest terminal participate in the chat room corresponding to the recognition code.

Abstract: An electroluminescent device including a first electrode, a hole transport layer disposed on the first electrode, a first emission layer disposed on the hole transport layer, the first emission layer including a first light emitting particle on which a first ligand and a second ligand having a hole transporting property are attached, a second emission layer disposed on the first emission layer, the second emission layer including a second light emitting particle on which a first ligand and a third ligand having an electron transporting property are attached, an electron transport layer disposed on the second emission layer, and a second electrode disposed on the electron transport layer, wherein a solubility of the second ligand in a solvent is different than a solubility of the third ligand in the solvent and a display device including the same.

Abstract: Quantum dots including semiconductor nanocrystals, methods of producing the same, and quantum dot solutions and electronic devices including the same. The quantum dots do not include cadmium, lead, or a combination thereof. The quantum dots include an organic ligand and a halogen on the surfaces, and the quantum dots are dispersible in an organic solvent to form organic solutions.

Abstract: An electronic package includes a substrate having a plurality of lands embedded within an insulating layer. Conductive patterns are disposed on at least a portion of a respective land top surface. An electronic device is electrically connected to the conductive patterns, wherein the land bottom surfaces are exposed to the outside. In another embodiment, the top land surfaces and the top surface of the insulating layer are substantially co-planar and the conductive patterns further overlap portions of the top surface of the insulating layer. In one embodiment, a package body encapsulates the top surface of the insulating material and the electronic device, wherein the land bottom surfaces are exposed to the outside of the package body.

Abstract: Disclosed herein is a method for encoding order information. The method may include generating multiple binary trees, preparing multiple different secret keys, determining a binary tree corresponding to any one secret key selected from among the multiple secret keys, and encoding the order information of the determined binary tree.

Abstract: Computing systems, computing apparatuses, computing methods, and computer program products are disclosed for machine learning model lifecycle management. An example computing method includes receiving a machine learning model selection, a machine learning model experiment creation input, a machine learning model experiment run type, and a machine learning model input data path. The example method further includes determining a machine learning model execution engine based on the machine learning model experiment creation input and the machine learning model experiment run type. The example method further includes retrieving input data based on the machine learning model input data path. The example method further includes executing a machine learning model experiment based on the machine learning model execution engine, machine learning model experiment creation input, and the input data.

Abstract: Inorganic perovskites doped with oxygen atoms or fluorine atoms, methods for making the doped perovskites, and hard radiation detectors incorporating the doped perovskites as photoactive layers are provided. The doped perovskites utilize lead oxide, lead fluoride, or compounds that thermally decompose into lead oxide or lead fluoride as dopant atom sources. During the crystallization of a perovskite in the presence of the dopant atom sources, oxygen or fluoride atoms from the dopant source are incorporated into the perovskite crystal lattice.

Abstract: A semiconductor device with redistribution layers formed utilizing dummy substrates is disclosed and may include forming a first redistribution layer on a first dummy substrate, forming a second redistribution layer on a second dummy substrate, electrically connecting a semiconductor die to the first redistribution layer, electrically connecting the first redistribution layer to the second redistribution layer, and removing the dummy substrates. The first redistribution layer may be electrically connected to the second redistribution layer utilizing a conductive pillar. An encapsulant material may be formed between the first and second redistribution layers. Side portions of one of the first and second redistribution layers may be covered with encapsulant. A surface of the semiconductor die may be in contact with the second redistribution layer. The dummy substrates may be in panel form. One of the dummy substrates may be in panel form and the other in unit form.

Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.

Abstract: Inorganic compounds having the formula LiMP2Q6, where M is Ga, In, Bi, Sb, As, Al, or a combination thereof, and Q is S and/or Se, are provided. Methods and devices for detecting incident neutrons and alpha-particles using the compounds are also provided. For thermal neutron detection applications, the compounds can be enriched with lithium-6 isotope (6Li) to enhance their neutron detecting capabilities.

Abstract: A fingerprint sensor device and a method of making a fingerprint sensor device. As non-limiting examples, various aspects of this disclosure provide various fingerprint sensor devices, and methods of manufacturing thereof, that comprise an interconnection structure, for example a bond wire, at least a portion of which extends into a dielectric layer utilized to mount a plate, and/or that comprise an interconnection structure that extends upward from the semiconductor die at a location that is laterally offset from the plate.

Abstract: The present invention provides a sealing process for a secondary battery of the present invention, which thermally fuses and seals a sealing portion that extends along an edge surface of a battery case, the sealing process comprising: an arrangement operation of disposing the sealing portion of the battery case between an anvil and a horn; a first region-fixing operation of pressing and fixing a first region of the sealing portion through the anvil and the horn; and a first region-primary sealing operation of applying an ultrasonic wave to the first region of the sealing portion through the horn at a set frequency and a set amplitude for a set time, thereby thermally fusing the first region of the sealing portion.

Abstract: An electrode assembly having a jelly-roll type structure in which a first electrode current collector, a second electrode current collector, and a separator located between the first electrode current collector and the second electrode current collector are wound in one direction. At least one of the first electrode current collector or the second electrode current collector includes an uncoated portion exposed to outside of the separator. A cutting line is provided in the axial direction of the electrode assembly in the at least one of the uncoated portion. The uncoated portion in which the cutting line is provided is divided into a remaining area remaining to protrude in a winding axis direction and a bent target area bent in a preset direction. At least a part of the uncoated portion included in the bent target area is bent to have a plurality of layers overlapping in a bending direction.

Abstract: A light emitting device includes: a first electrode and a second electrode with a surface facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a quantum dot (e.g., a plurality of quantum dots); and an electron auxiliary layer disposed between the emission layer and the second electrode. The electron auxiliary layer includes a first layer including a first metal oxide, and a second layer disposed on the first layer and including a second metal oxide. A roughness of an interface between the second layer and the second electrode is less than about 10 nm as determined by an electron microscopy analysis. An absolute value of a difference between a conduction band edge energy level of the second layer and a work function of the second electrode may be less than or equal to about 0.5 eV, and a conduction band edge energy level of the first layer may be less than the conduction band edge energy level of the second layer.

Abstract: The present disclosure relates to a copper alloy tube for a heat exchanger having excellent breaking strength and a method of manufacturing the same, and more particularly, to a Cu alloy tube having excellent breaking strength and thermal conductivity and suitable for use in a heat exchanger, and a method of manufacturing the same.

Abstract: A ceramic paint composition including a polysiloxane, an aluminum oxide, a silicone-based urethane resin, and a solvent component and a brake disc plate for a vehicle including an anticorrosive coated film including the ceramic paint composition are provided.

Abstract: Disclosed are a semiconductor nanocrystal particle including indium (In), zinc (Zn), and phosphorus (P), wherein a mole ratio of the zinc relative to the indium is greater than or equal to about 25:1, and the semiconductor nanocrystal particle includes a core including a first semiconductor material including indium, zinc, and phosphorus and a shell disposed on the core and including a second semiconductor material including zinc and sulfur, a method of producing the same, and an electronic device including the same. The semiconductor nanocrystal particle emits blue light having a maximum peak emission at a wavelength of less than or equal to about 470 nanometers.

Abstract: Disclosed is an in vitro exposure system that may radiate a uniform field having a constant wavefront to an experimental cell container and expose each cell container to a same electromagnetic field.

Abstract: The present technology relates to a method of inspecting a welding defect. The method includes: manufacturing an electrode assembly sample by welding an electrode lead on an electrode tab formed on an electrode assembly; measuring a tensile strength, a torsional strength and a peeling strength of a welded portion between the electrode tab and the electrode lead for the electrode assembly sample; deriving correlation between whether there is a welding defect and each of the tensile strength, the torsional strength, and the peeling strength; and deriving a reference value for determining whether there is a welding defect for the tensile strength, the torsional strength, and the peeling strength, respectively.