Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.

Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.

Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.

Abstract: A filter for controlling a pH of purified water is disclosed. The pH-controlling filter according to an aspect of the present disclosure may include a water permeable filter having a hollow formed in a center of a cross-section from one end to the other end; a lower stopper closing a lower end of the water permeable filter, a filling unit inserted into the hollow of the water permeable filter to form an inner space, the filling unit having an inlet through which the purified water passing through the water permeable filter flows into the inner space and an outlet through which the purified water passing through the inner space flows out; and control particles filled in the inner space of the filling unit to adjust a pH of the purified water passing through the inner space of the filling unit and comprising OH group-generating particles configured to supplement the purified water passing through the inner space with OH groups.

Abstract: The present disclosure relates to an apparatus for controlling movement of an ultrasonic wave generating unit, the apparatus characterized by comprising: a transfer unit for moving the ultrasonic wave generating unit; and a control unit for controlling the operation of the ultrasonic wave generating unit and the transfer unit, wherein the control unit controls the ultrasonic wave generating unit such that, when the ultrasonic wave generating unit moves, ultrasonic waves are irradiated at intervals to the skin on a movement path of the ultrasonic wave generating unit.

Abstract: A display apparatus having a mura compensation function includes a mura memory in which compensation data corresponding to coefficient values of a mura compensation equation is stored; and a mura compensation circuit configured to perform mura compensations on display data by using the mura compensation equation to which the compensation data has been applied, wherein the coefficient values are set so that the mura compensation equation has been fit to have a curve that satisfies known difference values of selected gray levels, a first estimation difference value of a first estimation gray level higher than the selected gray levels, and a second estimation difference value of a second estimation gray level lower than the selected gray levels, and wherein the compensation data comprises the coefficient values of the mura compensation equation in which all of the known difference values of the selected gray levels, the first estimation difference value, and the second estimation difference value have a differen

Abstract: Provided is a heterocyclic compound Chemical Formula 1 or 2: and an organic light emitting device comprising the same.

Abstract: Provided is a compound of Formula 1: where X is O or S; Ar1 is an aryl having 6 to 20 carbon atoms substituted with at least one functional group selected from the group consisting of cyano, pyridinyl, benzimidazolyl and diphenylphosphine oxide, or a substituted or unsubstituted heteroaryl having 3 to 20 carbon atoms containing at least one N; and Ar2 is a functional group of Formula 2 below, with the proviso that Ar1 and Ar2 are different from each other, where Ar3 is an aryl having 6 to 20 carbon atoms, and m is an integer of 0 to 2, and an organic light emitting device comprising the same.

Abstract: The present invention relates to an organic light emitting device comprising a light emitting layer and an electron transport layer which satisfy the following mathematical expressions, EHOMO-ET>EHOMO-BH and ELUMO-ET>ELUMO-GH, and having improved driving voltage, efficiency, and lifetime.

Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: X1 to X3 are N or CH, with the proviso that at least one of X1 to X3 is N; Y is O or S; L1 and L2 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; and Ar is a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one to three heteroatoms selected from the group consisting of N, O, and S, and an organic light emitting device including the same.

Abstract: A lifting belt includes a lifter configured to generate a tractive force in a longitudinal direction of a spinal column by expansion, a left connector and a right connector respectively disposed on a left side and a right side of the lifter, and a central connector attachable to or detachable from the left connector and the right connector.

Abstract: Provided is a method of providing a recommended card, the method including: receiving a radio signal from at least one access point around a device; selecting one from the at least one access point, based on a strength of the received radio signal; determining a card merchant corresponding to the selected access point; determining at least one recommended card regarding the determined card merchant from at least one card registered with the device, based on the card merchant and card benefit information of the registered at least one card; and providing the at least one recommended card.

Abstract: A lifting belt may include a lifter configured to generate a tractive force along a longitudinal direction of a spinal column by expansion, and a left connector and a right connector respectively disposed on a left side and a right side of the lifter and connectable to each other.

Abstract: A semiconductor device is provided and includes: a voltage sensing circuit configured to output first and second sensing voltages based on a target voltage applied thereto; and a comparing circuit configured to generate a monitoring output signal based on levels of the first and second sensing voltages, wherein the voltage sensing circuit includes: a first transistor including a gate to receive a reference bias voltage, a source connected to an input node, and a drain connected to one end of a first resistive element; a second transistor provided in a current mirror structure with the first transistor, and including a drain connected to a third resistive element; and a second resistive element connected to another end of the first resistive element, the first sensing voltage being provided to both ends of the second resistive element, and the second sensing voltage being provided to both ends of the third resistive element.

Abstract: Provided is a method of providing a recommended card, the method including: receiving a radio signal from at least one access point around a device; selecting one from the at least one access point, based on a strength of the received radio signal; determining a card merchant corresponding to the selected access point; determining at least one recommended card regarding the determined card merchant from at least one card registered with the device, based on the card merchant and card benefit information of the registered at least one card; and providing the at least one recommended card.

Abstract: A lifting belt includes a lifter configured to generate a tractive force in a longitudinal direction of a spinal column by expansion, a left connector and a right connector respectively disposed on a left side and a right side of the lifter, and a central connector attachable to or detachable from the left connector and the right connector.

Abstract: A resonator oscillator that may be included in a gas sensing system may include an oscillator that may be electrically connected to an external resonator through a conductive line. The oscillator may generate an oscillating signal having a frequency corresponding to a resonance frequency of the external resonator in an oscillating path. A spurious resonance removal circuit on the oscillating path may remove spurious resonance caused by the conductive line from the oscillating path. A gas sensing system may include the oscillator, a resonator that includes a sensor configured to sense a gas, and a frequency counting logic that receives the oscillating signal and a reference clock signal, performs a counting operation on the oscillating signal according to a logic state of the reference clock signal to generate a counted value, and generate a gas sensing output indicating a sensed gas based on the counted value.

Abstract: A semiconductor device is provided and includes: a voltage sensing circuit configured to output first and second sensing voltages based on a target voltage applied thereto; and a comparing circuit configured to generate a monitoring output signal based on levels of the first and second sensing voltages, wherein the voltage sensing circuit includes: a first transistor including a gate to receive a reference bias voltage, a source connected to an input node, and a drain connected to one end of a first resistive element; a second transistor provided in a current mirror structure with the first transistor, and including a drain connected to a third resistive element; and a second resistive element connected to another end of the first resistive element, the first sensing voltage being provided to both ends of the second resistive element, and the second sensing voltage being provided to both ends of the third resistive element.

Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: X1 to X3 are N or CH, with the proviso that at least one of X1 to X3 is N; Y is O or S; L1 and L2 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; and Ar is a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one to three heteroatoms selected from the group consisting of N, O, and S, and an organic light emitting device including the same.

Abstract: A wrist protector includes a contact pad to be worn on a wrist of a user, a plurality of air tubes disposed on the contact pad, a pump configured to inject air from an outside into the plurality of air tubes, and a discharge valve configured to discharge the air stored in the plurality of air tubes to the outside.