Abstract: Provided are an apparatus, method and battery pack for determining a degradation degree of a battery. The apparatus generates first sensing information indicating a voltage and a current of the battery while the battery is charged with a first constant current. The apparatus generates second sensing information indicating a voltage and a current of the battery for a second period during which the battery is discharged with a second constant current. The apparatus determines a first differential capacity curve based on the first sensing information and a second differential capacity curve based on the second sensing information. The apparatus is configured to determine the degradation degree of the battery based on a voltage value of a first charge feature point of the first differential capacity curve and a voltage value of a first discharge feature point of the second differential capacity curve.

Abstract: Provided is a thin film transistor including an active layer including a first silicon active layer, a second silicon active layer, and an oxide active layer in a space between the first silicon active layer and the second silicon active layer, a gate electrode on the active layer with a gate insulating layer disposed therebetween, and a source electrode and a drain electrode with an interlayer insulating layer disposed between the gate electrode and the source and drain electrodes, the source and drain electrodes being in contact with the first silicon active layer and the second silicon active layer, respectively.

Abstract: A battery classification apparatus includes: a measuring unit configured to measure a voltage of a battery and measure a resistance corresponding to the voltage of the battery; a profile generating unit configured to obtain battery information about the voltage and the resistance of the battery measured by the measuring unit and generate a resistance profile representing a corresponding relationship between the voltage and the resistance based on the battery information; and a control unit configured to determine a criterion resistance based on a resistance value in the resistance profile, determine a reference resistance corresponding to a highest voltage in the resistance profile, and classify a type of the battery based on the criterion resistance and the reference resistance according to a content of nickel contained in the battery.

Abstract: The present invention relates to a microorganism for producing putrescine and a method for producing putrescine by using same.

Abstract: An apparatus for diagnosing a degree of degradation of a battery includes a measuring unit configured to measure a voltage of each of a plurality of battery cells in each of a plurality of cycles where charging and discharging is performed and output voltage information about the plurality of measured voltages, and a control unit configured to receive the plurality of voltage information, calculate a voltage deviation of each cycle for each battery cell based on a reference voltage of each of the plurality of battery cells, select a cycle section satisfying a predetermined condition for each of the plurality of battery cells based on the calculated voltage deviation, calculate a voltage deviation change rate corresponding to each of the plurality of selected cycle sections, and diagnose a relative degree of degradation of the plurality of battery cells based on the plurality of calculated voltage deviation change rates.

Abstract: A battery management apparatus for providing more specific information about degradation of a battery cell and changing a control condition according to a degradation pattern of the battery cell. Since not only the degradation degree of the battery cell but also the degradation pattern of the battery cell is estimated, the present state of the battery cell may be more accurately estimated.

Abstract: A display device includes a display panel having a curved side or a polygonal side, the display panel including a plurality of pixels in a display region, a gate driver including a plurality of normal stages connected to each other for outputting gate signals to the pixels via a plurality of gate lines, and a plurality of dummy stages between some of the normal stages, and a data driver providing data signals to the pixels via a plurality of data lines.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material which exhibits a predetermined peak intensity ratio and a predetermined voltage ratio in a graph illustrating the voltage (V) and the battery capacity (Q) at the 3rd cycle and having an X axis indicating the voltage (V) and a Y axis indicating a value (dQ/dV) obtained by differentiating the battery capacity (Q) with respect to the voltage (V) when charging/discharging is performed under predetermined conditions, and a lithium secondary battery including the same.

Abstract: Disclosed in an embodiment is a camera module including a lens assembly including a liquid lens including a first liquid and a second liquid which form an interface therebetween, a voltage controller which applies a driving signal to the liquid lens to adjust the interface, a temperature sensor which detects temperature information of the liquid lens, an image sensor which receives light passing through the lens assembly, a sensing unit which detects information corresponding to the interface of the liquid lens, and a compensation unit which outputs feedback information to the voltage controller using the information corresponding to the interface of the liquid lens and the temperature information.

Abstract: Provided a source driver integrated circuit (IC) and a display driving device eliminating an existing input pad and internal wiring of a source driver integrated circuit (IC) for receiving a sensing reference voltage from an external voltage source by allowing the sensing reference voltage for initializing pixels during sensing of the pixels to be generated by an internal voltage source, rather than the external voltage source.

Abstract: According to one embodiment, An apparatus for preprocessing a security log includes a field divider configured to divide a character string of a security log into a plurality of fields on the basis of a structure of the security log, an ASCII code converter configured to convert a character string included in each of the plurality of divided fields into ASCII codes, and a vector data generator configured to generate vector data for each of the plurality of divided fields using the converted ASCII codes.

Abstract: A battery management apparatus includes: a measuring unit to measure voltage and capacity of a battery cell; a profile generating unit to generate a battery profile representing a correspondence between the voltage and the capacity measured by the measuring unit and generate a positive electrode profile of the battery cell based on the generated battery profile and a reference negative electrode profile and a reference negative electrode differential profile preset for the battery cell; and a control unit configured to receive the generated positive electrode profile from the profile generating unit, derive a conversion function representing conversion information from the reference positive electrode profile to the generated positive electrode profile, generate a positive electrode prediction profile for the battery cell from the reference positive electrode profile based on the derived conversion function, and generate a battery prediction profile for the battery cell based on the generated positive electro

Abstract: A battery diagnosing apparatus includes a profile generating unit configured to generate a differential profile representing a corresponding relationship between a voltage of a battery and a differential capacity for the voltage of the battery and a control unit configured to receive the differential profile from the profile generating unit, determine a target peak in the differential profile, determine a behavior pattern of the target peak based on a reference peak included in a preset reference profile, and diagnose a state of a negative electrode of the battery by comparing the behavior pattern determined for the target peak with a plurality of preset behavior types.

Abstract: A transistor device includes a channel region, a first source/drain region adjacent to a first end of the channel region and a second source/drain region adjacent to a second end of the channel region, a gate structure disposed on the channel region, the first source/drain region and the second source/drain region, and an interlayer dielectric (ILD) structure disposed on the gate structure. The ILD structure includes a first dielectric layer including a first set of sublayers. The first set of sublayers includes a first sublayer including a first dielectric material having a first hydrogen concentration and a second sublayer including the first dielectric material having a second hydrogen concentration lower than the first hydrogen concentration. The ILD structure further includes a second dielectric layer including a second set of sublayers. The second set of sublayers includes a third sublayer including a second dielectric material different from the first dielectric material.

Abstract: A battery management apparatus and method performs appropriate control to increase the lifespan of a battery cell by judging whether degradation of the battery cell is accelerated. Since both the voltage change pattern and the differential capacity change pattern between the plurality of peaks included in the plurality of differential profiles are considered, there is an advantage that it is possible to accurately determine whether the state of the battery cell is in a degradation accelerated state.

Abstract: The present invention relates to a positive electrode active material which has the structural stability of a lithium composite oxide constituting a positive electrode active material and a lithium secondary battery including the same. The lithium composite oxide constituting the positive electrode active material according to the present invention is able to reduce the surface area and grain boundary of secondary particles having a side reaction with an electrolyte solution, thereby improving high-temperature stability and reducing gas generation caused by the positive electrode active material, and the structural stability of the lithium composite oxide may be improved using a cation-mixing layer covering the surface of a primary particle.

Abstract: The present disclosure relates to a data drive circuit capable of increasing clock and data recovery stability by generating a clock synchronized with input data, a clock recovery method thereof, and a display drive device having the same, and the data drive circuit according to an aspect includes a receiver including a clock and data recovery part configured to recover a test data pattern from input data using an internal clock, and a data comparator configured to compare the recovered test data pattern with a predetermined reference data pattern to generate a control signal according to a degree of asynchronicity between the recovered test data pattern and the reference data pattern, wherein the clock and data recovery part recovers a clock synchronized with the input data according to the control signal, and recovers control information and image data from the input data using the recovered clock.

Abstract: A battery management apparatus includes a profile generating unit configured to obtain a battery profile representing a correspondence between voltage and SOC of a battery and generate a differential profile representing a correspondence between the SOC and a differential voltage of the SOC based on the obtained battery profile, and a control unit configured to receive the differential profile from the profile generating unit, calculate a degree of association between the differential profile and a preset criterion profile, and judge a type of a negative electrode of the battery based on the calculated degree of association.

Abstract: A battery diagnosis apparatus includes: an ohmic resistance determining unit configured to determine an ohmic resistance of a battery cell in each of a plurality of impedance profiles generated at different time points for the battery cell, a resistance change rate calculating unit configured to calculate a resistance change rate between the plurality of determined ohmic resistances, a gas generation level determining unit configured to determine an internal gas generation level of the battery cell based on the calculated resistance change rate, and a state diagnosing unit configured to diagnose a state of the battery cell according to the determined internal gas generation level.

Abstract: Embodiments of the present disclosure generally relate to nitrogen-rich silicon nitride and methods for depositing the same, and transistors and other devices containing the same. In one or more embodiments, a passivation film stack is provided and includes a silicon oxide layer disposed on a workpiece, a nitrogen-rich silicon nitride layer disposed on the silicon oxide layer, and a hydrogen-rich silicon nitride layer disposed on the nitrogen-rich silicon nitride layer. The hydrogen-rich silicon nitride layer has a greater hydrogen concentration than the nitrogen-rich silicon nitride layer.