Abstract: A method for manufacturing an interposer board without a feature layer structure according to an embodiment of the present invention may include preparing a temporary carrier; forming an edge seal for the temporary carrier; laminating an insulating material onto upper and lower surfaces of the temporary carrier to form an insulating layer; forming a via on the insulating layer, filling the via with a metal; and removing the edge seal and removing the temporary carrier. An interposer board without a feature layer structure according to an embodiment of the present invention may include an insulating layer and a via-post layer embedded in the insulating layer, wherein the via-post has an end used as a pad.

Abstract: A cathode active material for a lithium secondary battery including a lithium-transition metal composite oxide particle is provided. A crystal grain size of the lithium-transition metal composite oxide particle measured by an XRD analysis is 250 nm or more, and an XRD peak intensity ratio of the lithium-transition metal composite oxide particle is 9.8% or less. A lithium secondary battery including the lithium-transition metal composite oxide particle and having improved life-span and rate capability is provided.

Abstract: A lithium secondary battery includes a cathode including a cathode active material including a lithium-transition metal composite oxide particle having a crystal grain size of greater than 500 nm measured through X-ray diffraction (XRD) analysis, and an anode disposed to face the cathode. The present invention provides a lithium secondary battery having improved life-span characteristics while suppressing gas generation due to crack of the particles by controlling the crystal grain size of the lithium-transition metal composite oxide particles.

Abstract: A data storage device may include: a nonvolatile memory device; and a controller configured to control a read operation of the nonvolatile memory device, wherein the controller includes: a memory configured to store workload pattern information; and a processor configured to check a workload pattern in a first period based on the workload pattern information, and decide on a read mode to be performed in a second period following the first period, according to the workload pattern of the first period.

Abstract: A display device includes a first region, a second region adjacent to a side of the first region, and a third region adjacent to another side of the first region; a display panel in the first region, the second region and the third region; a window on and overlapping the display panel; and a bonding member between the display panel and the window and in the first region, the second region and the third region. The bonding member includes a first bonding part having a first elastic modulus and in the first region, a second bonding part having a second elastic modulus and in the second region, and a third bonding part having a third elastic modulus and in the third region. The first elastic modulus is greater than each of the second elastic modulus and the third elastic modulus.

Abstract: In a method of producing an ethylene-carboxylic acid copolymer, a monomer solution containing a carboxylic acid monomer is supplied from a discharging unit. The carboxylic acid monomer is copolymerized with an ethylene-based monomer. A coefficient of friction between the discharging unit and the monomer solution is maintained as 0.3 or less.

Abstract: An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.

Abstract: A method of joining a high entropy alloy is provided. The method of joining a high entropy alloy includes the steps of: arranging specimens made of a high entropy alloy to be in contact with each other; and diffusion joining the specimens made of the high entropy alloy by simultaneously applying a compressive stress and a current to a joint of the specimens within a range in which the high entropy alloy does not melt.

Abstract: A vehicle smart entry system and a method of operating the same may authenticate not only a smart key of a user who attempts to ride in a vehicle, but also a smartphone of the user, thereby improving security. The smart entry system includes a first communication device that communicates with a smart key, a second communication device that communicates with the smart key and a smartphone, and a controller that authenticates a user using a time stamp value received from the smart key through the first communication device, and a time stamp value received from the smart key through the second communication device and a time stamp value received from the smartphone through the second communication device.

Abstract: A light emitting device includes a substrate extending in a first direction and a second direction, first through fourth light emitting structures spaced apart from each other in the first and second direction and arranged in a matrix form on the substrate, a plurality of first interconnection layer structures connecting the first light emitting structure to the second light emitting structure, a second interconnection layer structure connecting the second light emitting structure to the third light emitting structure, and a plurality of third interconnection layer structures connecting the third light emitting structure to the fourth light emitting structure.

Abstract: Disclosed is an air conditioner to prevent deterioration of cooling or heating performance caused by re-introduction of cooling or heating air into a heat exchanger. The air conditioner includes a housing including an air discharge plate having a plurality of holes and an outlet, a heat exchanger located inside the housing, a blower fan configured to blow air heat-exchanged with the heat exchanger toward the air discharge plate or the outlet, a blade rotating between a guide position to guide a direction of air blown from the blower fan and discharged through the outlet and a closing position to close the outlet, wherein the blade includes a first blade and a second blade spaced apart from the first blade and configured to guide air blown from the blower fan toward the air discharge plate when the first blade is located at the closing position.

Abstract: A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.

Abstract: Disclosed is a method of operating a non-volatile memory device. A method of operating a non-volatile memory device according to an embodiment of the present disclosure, in a method of operating a non-volatile memory device including a log storage area, a data storage area, and an ACK generation unit, may include receiving a log and data from a cache memory, storing the received log in the log storage area, storing the received data in the data storage area, and transmitting an ACK signal to the cache memory according to a result of storing the log and the data.

Abstract: A face recognition unlocking device includes a collection device configured to obtain information of a user, a controller configured to determine whether face recognition of the user succeeds, based on the information of the user, and calculate a location of the user for success in the face recognition, and an output device configured to guide the user to move.

Abstract: A capsule-type endoscope capable of two-way communication includes an RFID receiving antenna receiving an RFID signal, a first matching circuit for impedance matching with the RFID receiving antenna, a human body communication electrode comprised of a ground electrode and a signal electrode transmitting a signal for human body communication, and a second matching circuit for impedance matching with the human body communication electrode.

Abstract: An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.

Abstract: Provided is a porous lithium composite phosphate-based compound containing lithium and having open pores formed in primary particles. As the open pores are formed in the primary particles themselves, a contact area between an electrolyte and the lithium composite phosphate-based compound is maximized, and low conductivity is compensated for, such that a diffusion rate of lithium ions is remarkably increased, and when the lithium composite phosphate-based compound is used as an active material of a secondary battery, the secondary battery may be charged and discharged at a high speed. Additionally, there are advantages in that an electrode density may be significantly increased in addition to the increase in the diffusion rate of the lithium ions, and charge and discharge cycle characteristics may be significantly stable.

Abstract: A lithium secondary battery includes a plurality of electrode cells, each of which includes a first electrode, a second electrode having a different polarity from that of the first electrode and a separation layer interposed between the first electrode and the second electrode, and at least one ion permeation barrier between neighboring ones of the electrode cells. The ion permeation barrier has an air permeability less than that of the separation layer.

Abstract: Provided is an electromyogram (EMG) signal-based user authentication apparatus and method. The apparatus includes an EMG signal receiver configured to receive an EMG signal measured using an EMG sensor, a pre-processor configured to remove a partial signal from the received EMG signal according to a preset frequency band, and a controller configured to authenticate a user by comparing a pre-stored EMG signal with the EMG signal in which the partial signal has been removed.

Abstract: Provided is a pump container including a container body, a pump body having a cylindrical spring, a shoulder member, and a discharge nozzle. The cylindrical spring is made of a plastic material and includes: a top ring plate having a hole formed at the center thereof; a first spring member erectly extended downward from one side undersurface of the top ring plate, while rotating in a clockwise direction; a second spring member erectly extended downward from the other side undersurface of the top ring plate which is a position symmetrical to one side undersurface thereof, while rotating in the same direction as the first spring member; and a pair of connection spring members erectly extended downward from two center surfaces between one side undersurface and the other side undersurface of the top ring plate, while rotating in the opposite direction to the first spring member and the second spring member.