Abstract: An optical device includes a multilayered GaAs structure including a plurality of sublayers and an optical structure layer on the multilayered GaAs structure, the optical structure layer including a Group III-V compound semiconductor material. The optical structure layer may be, for example, a light-emitting layer having a multi-quantum well structure.

Abstract: A battery pack includes a case accommodating at least one cell therein, a strain gage disposed at a surface of the case and having a resistance value varied by a case displacement and a case temperature change, the strain gage including a single resistor having the resistance value varied by the case displacement and the case temperature change, a plurality of first measurement points electrically connected to the resistor and used to detect a change in the resistance value of the resistor according to the case displacement, a plurality of second measurement points electrically connected to the resistor and used to detect a change in the resistance value of the resistor according to the case temperature change, the plurality of first measurement points and the plurality of second measurement points being spaced apart from each other.

Abstract: An electronic device includes: a display layer including a pixel including a pixel driving circuit and a light emitting element, and a sensor including a sensor driving circuit and a sensing element, and displaying an image during a plurality of frame periods; a sensor layer on the display layer and exchanging a signal with an input device and sensing an input by a touch; a fingerprint controller controlling the sensor; and a sensor controller controlling the sensor layer, wherein the sensor is configured to sense a first input by the input device, and a second input by a biometric information, wherein, in response to the sensor layer sensing the signal, the sensor controller transmits a control signal to the fingerprint controller, and wherein the fingerprint controller is configured to provide the sensor controller with information of the first input sensed by the sensor.

Abstract: A display module configured to form a portion of a modular display device including a plurality of display modules includes first to third I2C communication interfaces and a processor. The processor is configured to: receive, via the first I2C communication interface from a first display module adjacent in a first direction, an x coordinate value of the first display module; receive, via the second I2C communication interface from a second display module adjacent in a second direction, a y coordinate value of the second display module; identify x and y coordinate values of the display module based on the received x and y coordinate values; transmit, via the third I2C communication interface, the identified x coordinate value to a third display module adjacent in a third direction; and transmit, via the third I2C communication interface, the identified y coordinate value to a fourth display module adjacent in a fourth direction.

Abstract: A processor of a wearable device may display, based on identifying a location in a first area based on data of a sensor, a visual object. The processor may be configured to adjust, based on an input indicating selection of the visual object, the state of the camera to a first state for recording media. The processor may be configured to identify whether the location of the wearable device moves to a second area in the first area. The processor may be configured to obtain, based on identifying that the location of the wearable device moves into the second area, media based on the camera of the first state. The present disclosure relates to a metaverse service for enhancing interconnectivity between a real-world object and a virtual object, and the metaverse service may be provided over a network based on 5th generation (5G) and/or 6th generation (6G) communication systems.

Abstract: A display device according to an embodiment of the present disclosure, comprising a display, a wireless communication interface for Bluetooth connection with a wireless device and a control unit configured to: in a state where a Bluetooth connection is established with the wireless device, receive a device switching request requesting a Bluetooth connection to another display device is received, transmit a first Bluetooth information of the display device the other display device according to the received device switching request, and disconnect the Bluetooth connection with the wireless device.

Abstract: Disclosed are semiconductor devices, electronic systems including the same, and methods of fabricating the same. The semiconductor device comprises a first gate stack structure including a first dielectric pattern and a first conductive pattern that are alternately stacked with each other, a memory channel structure including a first memory portion that penetrates the first gate stack structure, a through contact including a first through portion at a level the same as a level of the first memory portion, and a connection contact including a first connection portion at a level the same as the level of the first memory portion and the level of the first through portion. A minimum width of the first memory portion is less than a minimum width of the first through portion and a minimum width of the first connection portion.

Abstract: An electronic device includes a sensor in which a sensing area and a peripheral area proximate to the sensing area are defined, and a sensor driver driving the sensor. The sensor includes first electrodes disposed in the sensing area and arranged along a first direction, and second electrodes arranged along a second direction intersecting the first direction. A boundary extending along the second direction is defined in the sensing area. The sensor driver simultaneously outputs a plurality of boundary transmit signals to a plurality of boundary electrodes disposed in a boundary area including the boundary among the plurality of first electrodes.

Abstract: A color control member includes a light control layer including quantum dots, a color filter layer disposed on the light control layer, and a low refractive layer disposed between the color filter layer and the light control layer. The low refractive layer includes a base resin, a plurality of non-hollow inorganic particles dispersed in the base resin and of which inner portions are filled. A weight percent of the base resin is in a range of about 40 wt % to about 45 wt % with respect to a total weight of the low refractive layer, and a weight percent of the non-hollow inorganic particles is in a range of about 40 wt % to about 45 wt % with respect to the total weight of the low refractive layer. The color control member including the low refractive layer has excellent reliability.

Abstract: An input sensing device includes a sensor that includes a plurality of first electrodes and a plurality of second electrodes, and a sensor driver that operates in a first sensing mode and a second sensing mode. During the first sensing mode, the sensor driver generates a first sensing signal by transmitting transmission signals to the sensor and receiving reception signals from the sensor. During the second sensing mode, the sensor driver generates a second sensing signal by transmitting the transmission signals to the sensor and receiving the reception signals from the sensor. The sensor driver selects one of a plurality of compensation maps based on the first sensing signal, compensates for the second sensing signal based on the selected compensation map, and outputs the compensated sensing signal.

Abstract: A display device includes a display panel, an input sensor disposed on the display panel and sensing an input during a sensing frame period, a display controller receiving a vertical synchronization signal and a horizontal synchronization signal and controlling driving of the display panel in response to the vertical synchronization signal and the horizontal synchronization signal, and a sensor controller providing a transmission signal including a plurality of sampling periods to the input sensor. The display controller provides frequency information of a display frame period to the sensor controller using at least one of the vertical synchronization signal and the horizontal synchronization signal, and the sensor controller controls the number of the sampling periods of the sensing frame period based on the frequency information.

Abstract: A solvent removing apparatus includes a container containing an emulsion comprising a first raw material of a continuous phase and a second raw material of a dispersed phase, an impeller rotating in the container to stir the emulsion, and a foam breaker spaced apart from the impeller on an upper portion of the impeller, positioned below a surface of the emulsion to be submerged in the emulsion when the emulsion is calm, and rotating to reduce foam generated during stirring of the emulsion.

Abstract: The present invention relates to ferroelectric capacitors, transistors, memory device, and method of manufacturing ferroelectric devices. The ferroelectric capacitor includes a first electrode, a second electrode facing the first electrode, a ferroelectric layer between the first electrode and the second electrode, and an interfacial layer between the ferroelectric layer and the first electrode or between the ferroelectric layer and the second electrode. The ferroelectric layer includes hafnium-based oxide. The interfacial layer includes HfO2.

Abstract: A processor of a wearable device is provided. The processor includes obtaining posture information of the wearable device in a space including the wearable device, based on classification information for selecting at least one feature point within pixels based on differences between pixels included in a first frames output from a first camera, identifying resolutions of each of a plurality of areas included in field-of-view (FoV) formed based on a display, based on the number of feature points obtained in each of the plurality of areas by the classification information, and changing resolution, among resolutions identified based on gaze information indicating gaze of user wearing the wearable device, corresponding to a first area, among a plurality of areas, to resolution larger than resolution corresponding to second area.

Abstract: One or more embodiments relate to a battery pack including a heat dissipation structure. The battery pack according to one or more embodiments includes a case, an electrode assembly in the case, and including an electrode tab, a protection circuit module connected to the electrode tab, a fixing bracket at least partially surrounding the protection circuit module, and a heat dissipator outside the fixing bracket and including a heat dissipation element.

Abstract: An air conditioner is disclosed. The air conditioner comprises a storage, and a processor for identifying a target space on the basis of first gas sensing data, moving the air conditioner to the target space, acquiring information about a gas type on the basis of second gas sensing data sensed within the target space and reference data stored in the storage, and performing an air conditioning operation on the basis of the information about the gas type, wherein the gas sensing data is sensed by a sensor comprising a plurality of sensing modules that react to different gases.

Abstract: A battery pack including a case, an electrode assembly having an electrode tab within the case, and at least one swelling gauge on the case, where the swelling gauge is configured to measure the amount of deformation of the case by deforming along with the case when the electrode assembly becomes deformed, and instantly and visually show the user the state or degree of swelling of the battery unit.

Abstract: A semiconductor memory device comprises a first substrate, a peripheral circuit structure, and a cell array structure including a cell array region and a cell array contact region. The cell array structure includes a second substrate, a stack structure including first and second stack structures, a vertical channel structure in the cell array region, and a cell contact plug in the cell array contact region. The cell contact plug includes a first pillar part and a first protrusion part. At the level of the top surface of the first protrusion part, a first width is given as a maximum diameter at an outer perimeter of the first protrusion part. At a level of an interface between the first and second stack structures, a second width is given as a maximum width of the vertical channel structure. The first width is greater than the second width.

Abstract: An electronic device is provided. The electronic device includes a camera module, a sensor module, at least one processor configured to be operatively connected to the camera module and the sensor module, and a memory configured to be operatively connected to the at least one processor.

Abstract: A file protection method of a computer apparatus including a processor, the method including extracting classes from an executable file of a package file, classifying the classes into class groups, adding a loading code to a first class group among the class groups, the loading code configured to cause sequential loading of the class groups to a memory in a random loading order in response to execution of the package file, adding an integrity code to a second class group among the class groups, the integrity code configured to verify an integrity of a corresponding class group among the class groups or a previous class group among the class groups, the previous class group including the loading code configured to cause the corresponding class group to load, and regenerating the package file using the class groups after the adding the loading code and the adding the integrity code.