Abstract: A three-dimensional semiconductor memory device may include a first stack block including first stacks arranged in a first direction on a substrate, a second stack block including second stacks arranged in the first direction on the substrate, and a separation structure provided on the substrate between the first stack block and the second stack block. The separation structure may include first mold layers and second mold layers, which are stacked in a vertical direction perpendicular to a top surface of the substrate.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Abstract: A fingerprint sensor includes: a light sensing layer including a light sensing element; and an optical layer including a plurality of light transmitting areas, a light blocking area, a light transmitting member disposed in the plurality of light transmitting areas, a light blocking member disposed in the light blocking area, and a planarization member disposed on the light blocking member, wherein the light blocking area surrounds the plurality of light transmitting areas, wherein the light transmitting member includes a first organic material, wherein the light blocking member includes a second organic material, and wherein the planarization member includes a third organic material and a positive-type photosensitive material.

Abstract: The present disclosure relates to a novel heterocyclic compound represented by the following Chemical Formula 1 and to an organic light emitting device comprising the same: wherein, R1, R2, R3, R4, R5, R6, m, n and o are described herein.

Abstract: A cutting tool includes a blade formed so as to extend in the width direction or length direction of a workpiece; at least one cutting tip formed so as to protrude from the lower portion of the blade so as to cut the workpiece by reciprocating by means of a swinging motion; and a brazing part formed between the blade and the at least one cutting tip so as to silver-braze the blade and the at least one cutting tip. The brazing part includes a first silver solder layer; a metal sheet layer formed on the first silver solder layer and having a melting point that is higher than a silver brazing process temperature; and a second silver solder layer formed on the metal sheet layer.

Abstract: A coil component includes a wound coil having a winding portion, including at least one turn, and a lead-out portion extending from an end portion of the winding portion to form a separation space, together with the winding portion, the wound coil being formed of a metal wire having a surface on which an insulating coating portion is disposed, a body embedding the wound coil therein and including magnetic powder particles and an insulating resin, and an insulating layer disposed on at least one of a surface of the winding portion and a surface of the lead-out portion forming the separation space.

Abstract: A display device includes a substrate, an emission material layer disposed on the substrate and including a pixel having a pixel electrode, an emissive layer and a common electrode, and a pixel-defining film defining the pixel, a thin-film encapsulation layer disposed on the emission material layer, a low-refractive pattern layer overlapping the pixel-defining film and disposed on the thin-film encapsulation layer, an etch stop layer disposed on the low-refractive pattern layer and formed of an inorganic material, and a high-refractive planarization layer formed on the etch stop layer, wherein the high-refractive planarization layer includes a recess aligned with the low-refractive pattern layer.

Abstract: A display device includes, a light emitting diode disposed on a substrate, and including an emission layer, an encapsulation layer disposed on the light emitting diode, a first layer disposed on the encapsulation layer and including an opening, a light blocking pattern disposed in the opening and extending in a first direction, and a second layer disposed on the first layer and the light blocking pattern. A refractive index of the first layer and a refractive index of the second layer are different from each other.

Abstract: An encapsulant for encapsulating perovskite to prevent lead leakage therefrom, a method for encapsulating perovskite to prevent lead leakage therefrom, and a perovskite photoactive device including the encapsulant are disclosed. The encapsulant for encapsulating perovskite may contain a crown ether-based compound having a benzene ring substituted with an alkyl group. The perovskite encapsulating method may include coating, on a perovskite layer, a solution in which a crown ether-based compound having a benzene ring substituted with an alkyl group is dissolved in an organic solvent. The perovskite photoactive device includes an encapsulant encapsulating the perovskite layer to prevent the lead leakage therefrom.

Abstract: According to embodiments, a light emitting display device includes a light emitting diode (LED) positioned on a substrate and including an emission layer, a pixel definition layer including an opening corresponding to the emission layer, and a plurality of light-shielding linear patterns positioned on the pixel definition layer and the emission layer and extending in a first direction. The plurality of light-shielding linear patterns include a recess portion of a concave shape.

Abstract: An example embodiment provides a calculating method using a zero-knowledge proof-friendly one-way function, performed by a computing device, the calculating method including: calculating a first intermediate bit stream by inputting an input bit stream of a one-way function to an augmented matrix, calculating a second intermediate bit stream by dividing the first intermediate bit stream into a predetermined number of bit streams and inputting each of the predetermined number of divided bit streams to a substitution-box (S-box), and outputting an output bit stream of the one-way function by inputting the second intermediate bit stream to a reduced matrix.

Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein R1 and R3 are described herein.

Abstract: Various embodiments relate to a stackable 3D artificial neural network device and a manufacturing method thereof. According to various embodiments, a device is manufactured to include a substrate, a neuron block placed on some areas on one side of the substrate, a synapse block placed on the rest of the areas on one side of the substrate, and the neuron block and the synapse block may include at least one first channel element arranged on one side of the substrate and at least one second channel element stacked on the first channel element.

Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.

Abstract: A fingerprint sensor includes: a light sensing layer including a light sensing element; and an optical layer including a plurality of light transmitting areas, a light blocking area, a light transmitting member disposed in the plurality of light transmitting areas, a light blocking member disposed in the light blocking area, and a planarization member disposed on the light blocking member, wherein the light blocking area surrounds the plurality of light transmitting areas, wherein the light transmitting member includes a first organic material, wherein the light blocking member includes a second organic material, and wherein the planarization member includes a third organic material and a positive-type photosensitive material.

Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein Ar1 to Ar4 and R1 are described herein.

Abstract: A coil component includes a wound coil having a winding portion, including at least one turn, and a lead-out portion extending from an end portion of the winding portion to form a separation space, together with the winding portion, the wound coil being formed of a metal wire having a surface on which an insulating coating portion is disposed, a body embedding the wound coil therein and including magnetic powder particles and an insulating resin, and an insulating layer disposed on at least one of a surface of the winding portion and a surface of the lead-out portion forming the separation space.

Abstract: 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 long lifespan properties can be provided.

Abstract: The present invention relates to a substrate processing apparatus and a substrate processing method, and more particularly to, a substrate processing apparatus and a substrate processing method capable of performing deposition on both upper and lower surfaces of a substrate in a single apparatus or a single facility when performing deposition on the lower surface of the substrate to alleviate or eliminate a bowing phenomenon of the substrate.

Abstract: The present disclosure relates to a current collector formed of nanofiber, which includes PEDOT:PSS and a conductive dopant, a lithium secondary battery electrode including the current collector, and a lithium secondary battery, and the current collector of the present disclosure is characterized in that excellent structural stability, mechanical properties, and electrical conductivity may be achieved by doping nanofiber prepared through electro-spinning with a conductive dopant. The present disclosure was created with the support for a sub-director enterprise support project from Chungbuk Innovation Institute of Science & Technology.