Abstract: A semiconductor memory device comprises a substrate; a mold structure on the substrate; a plurality of channel structures extending in the mold structure; a source layer and a source sacrificial layer between the substrate and the mold structure, wherein the source sacrificial layer is spaced apart from the source layer; and a source support layer on the source layer and the source sacrificial layer, wherein the source support layer is between the source layer and the source sacrificial layer, wherein an upper surface of the source support layer includes first and second portions extending parallel to the substrate, and a third portion that connects the first and second portions, wherein a vertical distance from an upper surface of the source layer to the first portion is smaller than a vertical distance from an upper surface of the substrate to the second portion.

Abstract: Disclosed herein are a method, an apparatus and a storage medium for image encoding/decoding. For efficient image compression, efficient syntax is required. Pieces of information required for image decoding may be structurally or semantically associated with each other. Based on this association, whether signaling of one piece of information is to be performed may be determined based on another piece of information. Further, based on this association, the signaling order or priority of multiple pieces of information may be determined. Depending on this determination, based on the number of subpictures present in a picture in high-level syntax, the number of slices present in the picture may be selectively signaled.

Abstract: An electronic device is provided. The electronic device includes an electronic component including a coil therein, and a printed circuit board that is disposed to surround at least a part of the electronic component and includes plural slits disposed at preset intervals in at least one of regions facing the electronic component, wherein each of the plural slits may include a central slit portion extended along a center of the slit, and a symmetric slit portion extended to be symmetric with respect to the central slit portion.

Abstract: According to an embodiment, the electronic device relates to an electronic device for providing dual connectivity of a second frequency band, and may include a communication unit including a plurality of communication ports, a first antenna connected to a first communication port of the plurality of communication ports and configured to transmit a signal of a first band of a first frequency band, and a second antenna connected to a second communication port of the plurality of communication ports and configured to transmit a signal of a second band different from the first band of the first frequency band while the signal of the first band is transmitted. The second frequency band includes at least one frequency band selected from the group consisting of the first frequency band and a frequency band higher than the first frequency band.

Abstract: An example electronic device may include a first housing including a first surface, a second housing including a second surface, a third housing including a third surface, a first hinge structure rotatably connecting the second housing and the first housing, a second hinge structure rotatably connecting the first housing and the third housing, a flexible display disposed on the first surface, the second surface and the third surface, a first magnet disposed in the second housing, and a hinge locking structure which, in an abnormal state of the electronic device in which a portion of the first surface is adjacent to the second surface, faces the first magnet and which includes a pin insertable into a groove formed in at least one shaft in the second hinge structure.

Abstract: According to an embodiment, an electronic device may comprise an antenna circuit including an antenna, a first capacitor, a switch, a sensor, and at least one processor. The at least one processor may be configured to control the switch to connect the first capacitor and the sensor, based on start of booting of the electronic device, determine an initial value of the sensor for determining whether a user grips at least a portion of the electronic device, based on the connection of the first capacitor and the sensor, and control the switch to connect the antenna circuit and the sensor, based on the determination of the initial value of the sensor. Other various embodiments are possible as well.

Abstract: Data boundary deriving system and method include: a sample data reception unit configured to receive a plurality of pieces of sample data having a plurality of characteristic values; a cluster generation unit configured to generate a plurality of clusters by classifying the plurality of pieces of sample data; a probability density function derivation unit configured to derive a probability density function based on the characteristic values of data included in each of the plurality of generated clusters; and a learning data generation unit configured to generate learning data by calculating the values of the probability density function of a cluster including each piece of sample data for each of the plurality of sample data and labeling second sample data based on the calculated values, and an operating method thereof.

Abstract: An electronic device according to certain embodiments may include a housing, an antenna disposed in the housing or formed in a part of the housing, a grip sensor configured to sense an external object that is in contact or proximity, and a processor operatively connected to the antenna and the grip sensor, wherein the processor may be configured to, when a first sensing value from the grip sensor is less than or equal to a first reference value, determine an output power of the antenna to be a first intensity; when the first sensing value exceeds the first reference value and a second sensing value from the grip sensor received after the first sensing value is between the first reference value and a second reference value higher than the first sensing value, determine whether the electronic device is in a state of use, and when the electronic device is not in the state of use, determine, based on a third reference value and a third sensing value of the grip sensor received after the second sensing value, the

Abstract: An electronic device and method in the same are disclosed. The electronic device includes a first and second housing, the second movable relative to the first, a flexible display having an exposure area configurable into a first size and a larger, second size, at least one sensor, and a processor. The processor implements the method, including: when detecting that the device is disposed in the first state, displaying a first content, based on detecting a first input, displaying a user interface (UI0 with the first content, based on detecting a second input to the UI, cancelling display of the UI, based on detecting a switch from the first state to the second state, maintaining display of the first content in a first area of the exposure area and displaying a second content in a second area of the exposure area.

Abstract: An electronic device may include a housing including a first cover, a second cover, and a slot positioned in a first side surface. A first antenna is positioned between a first inner surface and a second inner surface, facing the slot, and configured to operate in a first frequency band, and a second antenna is positioned between the first inner surface and the second inner surface, facing the first antenna, and configured to operate in a second frequency band different from the first frequency band.

Abstract: According to an embodiment, an electronic device includes a housing including a first surface and a second surface opposite to the first surface, and an antenna including a printed circuit board (PCB) positioned between the first surface and the second surface. The PCB includes a feed pattern including a first connector region, and a ground pattern including a first ground region in contact with a first portion of the first surface, a first coupling region connected to the first ground region, a second ground region connected to the first coupling region and including a second connector region, and a second coupling region connected to the second ground region and in contact with a second portion different from the first portion of the first surface.

Abstract: An electronic device may include: a first housing, a second housing configured to slide from the first housing, a flexible display disposed to the first housing and the second housing and having a screen configured to be reduced/extended according to the sliding of the second housing, a first antenna module including at least one antenna disposed to the first housing and configured to radiate a millimeter wave, and a second antenna module including at least one antenna disposed to the second housing and configured to radiate a millimeter wave. The second antenna module may be located adjacent to one side face of the second housing and may be configured to form a beam in a same direction as the first antenna module.

Abstract: An electronic device includes a first housing, a second housing, and a wireless charging antenna. The second housing is connected to the first housing such that the position thereof relative to the first housing is variable. The wireless charging antenna includes a shielding member and a reception coil alternately wound on a first surface of the shielding member and a second surface opposite to the first surface, and is disposed in at least one of the first housing and the second housing. A battery is electrically connected to the wireless charging antenna.

Abstract: An electronic device is provided. The electronic device comprises a housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first surface, a conductive plate disposed at the first surface of the housing to be slidable in a third direction perpendicular to the first direction and including a slot, a flexible display arranged to be supported by the conductive plate and including a first area facing the first surface and a second area extending from the first area and bendable according to the sliding of the conductive plate, and a wireless communication circuit configured to transmit and/or receive a signal in a selected or designated frequency band through an antenna formed on the basis of at least a part of the conductive plate, which surrounds the slot.

Abstract: An electronic device includes a first housing including a display module including a display screen, a second housing rotatable with respect to the first housing to define a rotation angle therebetween, the second housing including a first door provided at one surface and a second door provided at a surface which is opposite to the one surface, a hinge unit configured to rotatably connect the first housing to the second housing, and a driving module connecting the hinge unit to each of the first door and second door, the driving module moveable together with rotation of the second housing with respect to the first housing, to open and close the first door and the second door. the driving module is configured to open the first door when the rotation angle is less than a first angle and open the second door when the rotation angle is greater than a second angle.

Abstract: According to an example embodiment, an electronic device may include a communication module including a first configuration pin, a processor configured to identify a device type of the communication module through the first configuration pin, and a first antenna device controlled by the communication module through the first configuration pin, in which the communication module is configured to transmit an identification signal for identifying the device type of the communication module through the first configuration pin for a time interval from the start of booting the processor to the completion of initializing the communication module, and transmit a first control signal for controlling the first antenna device through the first configuration pin after the time interval.

Abstract: A communication device according to an example embodiment may include a memory storing a back-off table in which a key value is mapped to each power back-off value and a processor, wherein the processor is configured to transmit the back-off table stored in the memory to an electronic device coupled to the communication device, receive, from the electronic device, a target key value determined based on at least an expected power back-off value required upon the occurrence of a target event, and back off, upon detection of the target event, transmission power of wireless signals transmitted through an antenna of the electronic device, based at least on a power back-off value mapped to the received target key value in the back-off table.

Abstract: A communication apparatus having a monitoring function for a coupling state of a connector and/or a method of controlling the communication apparatus are provided. According to various example embodiments, a communication device may include an RF connector portion detachably coupled with a cable connector portion of one end of a cable for transmitting an antenna signal, at least one capacitor disposed near the RF connector portion, and a controller (comprising circuitry) for monitoring a coupling state between the cable connector portion and the RF connector portion based on a capacitance of the at least one capacitor.

Abstract: An electronic device according to certain embodiments includes a first circuit board, a second circuit board including a communication module, a first antenna module disposed to be separate from the communication module, a flexible cable including a first connector connected to the first circuit board, a second connector connected to the first antenna module, a first extension extending between the first connector and the second connector, and a first receptacle disposed in the first extension, and a first coaxial cable including a third connector connected to the communication module, a fourth connector connected to the first receptacle, and a second extension extending between the third connector and the fourth connector.

Abstract: An electronic device is disclosed herein, including a first housing, a second housing configured to accommodate at least a portion of the first housing, and to guide a sliding movement of the first housing, a display including a first display region disposed on the first housing, and a second display region extending from the first display region, a speaker module disposed within the second housing, and at least one roller structure configured to seal a space between the first housing and the second housing, and to guide the sliding movement of the first housing relative to the second housing.