Abstract: An electrolyte for a lithium secondary battery is disclosed herein. In some embodiments, an electrolyte includes a lithium salt present in a concentration of 1.6 M to 5 M, an oligomer mixture including a first oligomer containing a unit represented by Formula 1 and a second oligomer containing a unit represented by Formula 2, and an organic solvent.

Abstract: Disclosed herein is a novel polymer having a structure based on a biodegradable polymer. In the novel polymer, the biodegradable polymer has at least one kind of functional groups from among a hydroxyl group and a carboxyl group, wherein the biodegradable polymer bears a functional group conjugated with a nitric oxide-releasing compound and a different functional group substituted with a photopolymerizable functional group, the nitric oxide-releasing compound comprising a NO donor. Also provided is a nanofiber fabricated from the modified biodegradable polymer. The nanofiber can be fabricated by electrospinning the novel polymer.

Abstract: A polymer blend membrane includes a polyether-based copolymer and a polyether polymerized in situ and has high permeability and high selectivity for carbon dioxide. In the polymer blend membrane, the free volume of the polyether-based copolymer is greatly increased, and the adsorption capacity for carbon dioxide is enhanced. Thus, it can have excellent mechanical properties and excellent permeability and selectivity for carbon dioxide.

Abstract: A photomask according to an exemplary embodiment includes: a mask substrate; and a first test pattern and a second test pattern disposed along a first edge of the mask substrate, wherein the first test pattern has a first outer shape and a first inner shape, the second test pattern has a second outer shape, and the second outer shape of the second test pattern is larger than the first inner shape of the first test pattern and smaller than the first outer shape of the first test pattern.

Abstract: An apparatus and method for treating a substrate are provided. The apparatus includes at least one first process chamber configured to supply a developer onto the substrate; at least one second process chamber configured to treat the substrate using a supercritical fluid; a transfer chamber configured to transfer the substrate from the at least one first process chamber to the at least one second process chamber, while the developer supplied in the at least one first process chamber remains on the substrate; and a temperature and humidity control system configured to manage temperature and humidity of the transfer chamber by supplying a first gas of constant temperature and humidity into the transfer chamber.

Abstract: A display panel includes a first substrate including a display area, in which a plurality of pixel areas is arranged, and a non-display area around the display area, a second substrate disposed opposite to the first substrate, a light emitting array disposed on the first substrate and including a plurality of light emitting elements corresponding to the plurality of pixel areas, a sealing layer disposed in the non-display area between the first substrate and the second substrate and bonding the first substrate and the second substrate to each other, a vacuum layer sealed by the sealing layer and defined between the light emitting array and the second substrate, and a reflection adjustment layer disposed on the second substrate and absorbing a portion of external light, where the reflection adjustment layer includes a plurality of protrusions protruding toward the light emitting array and exposed to the vacuum layer.

Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.

Abstract: A vehicle parking method in a smart parking system is provided. The vehicle parking method includes measuring, by parked vehicles, inter-vehicle distance values by using sensors embedded therein, receiving, by a parking target vehicle, the inter-vehicle distance values from the parked vehicles by using vehicle-to-vehicle (V2V) communication, selecting one distance value from among the inter-vehicle distance values, and determining the selected distance value as a parking space, transmitting, by the parking target vehicle, a movement request message to two parked vehicles configuring the parking space by using the V2V communication, moving, by the two parked vehicles, based on the movement request message and extending the parking space to an available parking space, and performing, by the parking target vehicle, an automatic parking process for parking in the available parking space.

Abstract: The present invention relates to a method for preparing a sulfide-based solid electrolyte, a sulfide-based solid electrolyte prepared by the method, and an all-solid-state lithium secondary battery including the sulfide-based solid electrolyte. The method of the present invention includes a) mixing Li2S with P2S5 to prepare a mixed powder, b) placing the mixed powder, an ether, and stirring balls in a container, sealing the container, followed by stirring to prepare a suspension, and c) stirring the suspension under high-temperature and high-pressure conditions to prepare sulfide-based solid particles.

Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.

Abstract: The present disclosure provides a semiconductor memory device with improved element performance and reliability. The semiconductor memory device includes a substrate, a gate electrode extending in a first direction in the substrate, a plurality of buried contacts on the substrate, and a fence in a trench between adjacent ones of the buried contacts. The fence is on the gate electrode. The fence includes a spacer film on side walls of the trench and extending in a second direction intersecting the first direction, and a filling film in the trench and on the spacer film. An upper surface of the spacer film is lower than an upper surface of the filling film with respect to the substrate.

Abstract: A polarizing plate and an optical display apparatus including the same are disclosed. A polarizing plate includes a polarizer and a protective film formed on a surface of the polarizer, wherein the polarizer has a thickness of 10 ?m or less and the polarizing plate has a coefficient of thermal expansion (CTE) of 100 ?m/(m·° C.) or less, as measured in a machine direction of the polarizer after application of heat shock conditions.

Abstract: A coil component includes a wound coil having a winding portion, having at least one turn, and a lead-out portion extending from an end portion of the winding portion to provide a separation space together with the winding portion and a body including an insulating resin and magnetic powder particles and embedding the wound coil therein. The body has a low-density portion disposed in the separation space and having magnetic powder particle density lower than average magnetic powder particle density of an entirety of the body.

Abstract: Disclosed are a secondary battery, an active material, a method for preparing the same, and a lithium secondary battery including the same. In an embodiment, provided is a secondary battery including a positive electrode, a negative electrode and an electrolyte, wherein the secondary battery further includes a reaction-inducing substance located in any one of the positive electrode, the negative electrode and the electrolyte, wherein the reaction-inducing substance forms a reaction product by consuming thermal energy when exposed to a predetermined temperature or higher in a use environment of the secondary battery, thereby improving thermal safety of the secondary battery.

Abstract: An energy storage device can include a first electrode, a second electrode and a separator between the first electrode and the second electrode wherein the first electrode includes an electrochemically active material and a porous carbon material, and the second electrode includes elemental lithium metal and carbon particles. A method for fabricating an energy storage device can include forming a first electrode and a second electrode, and inserting a separator between the first electrode and the second electrode, where forming the first electrode includes combining an electrochemically active material and a porous carbon material, and forming the second electrode includes combining elemental lithium metal and a plurality of carbon particles.

Abstract: An apparatus for classifying stress includes an electrocardiogram (ECG) measurement module configured to measure an ECG signal in a first state, an idle state, and an ECG signal in a second state in which noise, having various magnitudes, is generated, a feature point extraction module configured to extract a feature point of each of the measured ECG signal in the first state and the measured ECG signal in the second state, and a clustering module configured to perform K-means clustering on the ECG signals in the first and second states based on the extracted feature points to classify stress.

Abstract: A pigment composition according to an embodiment includes aluminum flakes coated with a plurality of metal oxide layers and TiO2 coated with a metal oxide layer, thus having explosion stability. The pigment composition may be prepared by mixing with TiO2 coated with a metal oxide layer having lower apparent specific gravity as compared to other plate-shaped inorganic particles. The pigment composition can have stability against a thermite reaction by aluminum and metal oxides while preventing deterioration of saturation and opacity.

Abstract: Provided is a composition for preventing or ameliorating bromhidrosis, including a seed fermentation product of a plant belonging to the genus Lotus. The composition may inhibit production of substances related to bromhidrosis by reducing proportions of microorganisms of the genus Corynebacterium and the genus Anaerococcus, which are related to bromhidrosis, in the microbiome.

Abstract: A mutual authentication method allows an electric vehicle (EV) to perform plug-and-charge (PnC) charging through communication with a charging station (CS) device. The mutual authentication method includes: accepting an SECC certificate chain including an SECC certificate and at least one charging device-based sub-certificate used for generation of the SECC certificate; verifying the SECC certificate by using the at least one charging device-based sub-certificate and a first root certificate; transmitting a verification result of the SECC certificate to the CS device, and providing the CS device with an EV certificate chain including an EV certificate for the EV and at least one EV-based sub-certificate used for generation of the EV certificate; accepting a verification result of the EV certificate from the CS device and generating a symmetric key; and transmitting or receiving an encrypted message to or from the CS device by using the symmetric key.

Abstract: A semiconductor package includes a substrate having opposite first and second surfaces; (1-1)-th substrate pads and (1-2)-th substrate pads on the first surface of the substrate; first connecting terminals on the (1-1)-th substrate pads and the (1-2)-th substrate pads; (2-1)-th substrate pads and (2-2)-th substrate pads on the second surface of the substrate; an interposer on the second surface of the substrate; second connecting terminals between the (2-1)-th substrate pads, the (2-2)-th substrate pads, and the interposer; and a first semiconductor chip on the interposer. The (1-2)-th substrate pads have a smaller maximum width than the (1-1)-th substrate pads. The (2-2)-th substrate pads have a smaller maximum width than the (2-1)-th substrate pads. The (1-1)-th substrate pads and the (2-1)-th substrate pads transmit first signals, ground signals, or power signals. The (1-2)-th substrate pads and the (2-2)-th substrate pads transmit second signals that are faster than the first signals.