Abstract: A semiconductor memory device, and a semiconductor package and an electronic system including the same are provided. The semiconductor memory device includes a substrate including a plurality of mat regions and a mat separation region between ones of the mat regions, a peripheral circuit structure on the substrate and including peripheral circuits, a cell array structure on the peripheral circuit structure, a first through-via extending into the substrate in the mat separation region, and a second through-via extending into the cell array structure on the mat separation region and electrically connected to the first through-via, wherein the second through-via overlaps the first through-via.

Abstract: A semiconductor package includes a package substrate including a trench; a first chip structure including a first buffer chip and a plurality of first semiconductor chips on the first buffer chip; and a second chip structure including a second buffer chip and a second semiconductor chip on the second buffer chip, wherein one of the first and second chip structures is on the trench, the other one of the first and second chip structures is on a top surface of the package substrate, a first physical layer (PHY) region of the first buffer chip overlaps with a second PHY region of the second buffer chip in a direction perpendicular to the top surface of the package substrate.

Abstract: A semiconductor memory device includes a peripheral circuit structure including peripheral circuits; a stacked structure on the peripheral circuit structure and including first electrode layers and first inter-electrode insulating layers that are alternately stacked; a first vertical pattern that extends into the stacked structure; a first insulating layer on the stacked structure, a second electrode layer on the first insulating layer, and a second insulating layer on the second electrode layer; a line separation pattern that extends into the second insulating layer, the second electrode layer, and the first insulating layer; and a second vertical pattern that extends into the second insulating layer, the second electrode layer, and the first insulating layer, where the second vertical pattern is electrically connected to the first vertical pattern.

Abstract: A semiconductor device may include a substrate; semiconductor patterns that are stacked on the substrate, extend in a first direction parallel to a top surface of the substrate, and are spaced apart from each other; a gate electrode including horizontal portions, that extend in a second direction crossing the first direction, and a vertical portion, that is in contact with the horizontal portions and extends in a third direction perpendicular to the top surface of the substrate; a gate dielectric layer between the semiconductor patterns and the gate electrode; and a ferroelectric layer between the gate dielectric layer and the gate electrode. Each of the semiconductor patterns may include impurity regions and a channel region between the impurity regions, the vertical portion may be on a first side surface of the channel region, and the horizontal portions may be on a top and bottom surface of the channel region.

Abstract: A semiconductor device includes gate layers and lower insulating layers that are alternately stacked on an upper surface of a substrate, a channel structure passing through the gate layers and the lower insulating layers and extending in a vertical direction, a string select gate layer disposed on the channel structure, a string select channel structure passing through the string select gate layer and extending in the vertical direction, and a contact pad disposed in a space between the channel structure and the string select channel structure and connecting the channel structure to the string select channel structure. A lower surface of the contact pad contacts the channel structure and an upper surface of the contact pad contacts the string select channel structure. A first width of the lower surface of the contact pad is greater than a second width of a central portion of the contact pad.

Abstract: A semiconductor memory device comprising a peripheral circuit structure and a cell structure stacked on the peripheral circuit structure, wherein the cell structure includes a cell substrate including a first face facing the peripheral circuit structure and a second face opposite the first face, a first mold stack including a plurality of first gate electrodes sequentially stacked on the first face, and a channel hole extending through the plurality of first gate electrodes. A channel structure includes a gate dielectric film, a semiconductor film, and a variable resistance film sequentially stacked in the channel hole, wherein the semiconductor film includes a sidewall portion intersecting the first face and the plurality of first gate electrodes, and a top plate portion extending from the sidewall portion in the cell substrate in a parallel manner to the first face.

Abstract: An electronic device includes a communicator configured to perform communication with an external device, a display configured to display a UI (User Interface) element in a screen, and a processor. The processor receives through the communicator, touch panel information of the external device and first data according to a first input of a user detected on the touch panel of the external device, and changes a location of the UI element displayed on the screen based on the touch panel information and the first data.

Abstract: An erasing device to erase an image displayed on a display apparatus, the erasing device including: a housing; a generator to generate an electromagnetic field so that the electromagnetic field is emitted from each of a plurality of portions of a tip of the housing; and a controller to control the generator to generate the electromagnetic field when the tip touches a surface of the display apparatus so that the display apparatus detecting the electromagnetic field erases an image within a preset image deletion region with a predetermined area based on a position on the surface touched by the tip, wherein the generator adjusts output of the electromagnetic field from each portion of the tip based on whether each portion of the tip touches the surface so that the display apparatus adjusts the area of the image deletion region based on the portion of the tip touched by the surface.

Abstract: An electronic device includes a communicator configured to perform communication with an external device, a display configured to display a UI (User Interface) element in a screen, and a processor. The processor receives through the communicator, touch panel information of the external device and first data according to a first input of a user detected on the touch panel of the external device, and changes a location of the UI element displayed on the screen based on the touch panel information and the first data.

Abstract: A display apparatus, a multi display system including the same, and a control method thereof are provided. The display apparatus includes a display configured to display a first image corresponding to a first image signal on a main screen, and a second image corresponding to a second image signal on a picture in picture (PIP) screen overlapping an area of the main screen. The display apparatus further includes a communication interface configured to transmit and receive information of a movement of the PIP screen to and from another display apparatus, and a controller configured to control the display to move the PIP screen based on the information.

Abstract: An electronic device is provided, which includes a touch sensor configured to sense a touch input to a screen, a storage configured to store different firmware corresponding to a plurality of input modes supported by the touch sensor, and a controller configured to sense the touch input according to a selected input mode among the plurality of input modes, through execution of one of the different firmware corresponding to the selected input mode.

Abstract: A display system comprising a user terminal apparatus configured to transmit a swimming image to a display apparatus, the display apparatus configured to reproduce the swimming image received from the user terminal apparatus, and a sensing apparatus configured to sense, while the user is swimming, user location information in real time, and transmit the sensed user location information to the user terminal apparatus or the display apparatus. The user terminal apparatus or the display apparatus displays swimming information of the user based on the received user location information.

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel, a photonic crystal array which is arranged on at least one side of the display panel and displays an image based on an applied voltage, an electrode which applies voltage to the photonic crystal array, and a controller which controls so that voltage is applied to the photonic crystal array based on image information displayed on the display panel.

Abstract: A liquid crystal panel assembly is provided. The liquid crystal panel assembly includes a liquid crystal panel configured to display an image, a backlight arranged in the rear of the liquid crystal panel and configured to supply light to the liquid crystal panel, a package module configured to package the liquid crystal panel and the backlight into one module, and at least one dummy member arranged to occupy a space provided in the rear of the backlight in the package module.

Abstract: A display apparatus is provided. The display apparatus includes a communication interface configured to communicate with a plurality of image input devices, a display configured to display a plurality of images provided by the plurality of image input devices on a single screen, a storage configured to store screen scale information of the plurality of image input devices, a sensor configured to sense a touch input on one image of the plurality of images, and a controller configured to convert actual touch coordinate values of an entire screen of the display into relative touch coordinate values corresponding to an image input device which provides a touched image in which the touch input is sensed, according to the screen scale information of the image input device which provides the touched image in response to the touch operation being sensed, and transmit the converted relative touch coordinate values to the image input device which provides the touched image.

Abstract: A display apparatus and a method for controlling the same are provided. A method for controlling a display apparatus includes sensing a digital pen on a display screen; if a number of a touch point sensed by the digital pen is greater than one, switching a mode of the display apparatus to a touch gesture mode; and if a touch gesture by the digital pen is sensed during the touch gesture mode, controlling the display apparatus according to the sensed touch gesture.

Abstract: A display apparatus, a multi display system including the same, and a control method thereof are provided. The display apparatus includes a display configured to display a first image corresponding to a first image signal on a main screen, and a second image corresponding to a second image signal on a picture in picture (PIP) screen overlapping an area of the main screen. The display apparatus further includes a communication interface configured to transmit and receive information of a movement of the PIP screen to and from another display apparatus, and a controller configured to control the display to move the PIP screen based on the information.

Abstract: A display system comprising a user terminal apparatus configured to transmit a swimming image to a display apparatus, the display apparatus configured to reproduce the swimming image received from the user terminal apparatus, and a sensing apparatus configured to sense, while the user is swimming, user location information in real time, and transmit the sensed user location information to the user terminal apparatus or the display apparatus. The user terminal apparatus or the display apparatus displays swimming information of the user based on the received user location information.

Abstract: An electronic chalkboard system including a plurality of display panels, a pointing device which touches the plurality of panels, an image processor which processes an image to be displayed on one of the plurality of panels that is drawn by the pointing device, a controller which selects one of the plurality of panels based on a first panel of the plurality of panels if the first panel is touched by the pointing device, and controls the image processor to display on the selected panel a menu related to the image displayed on the first panel, and, if a second panel of the plurality of panels is touched by the pointing device while the menu is displayed on the selected panel, the controller newly selects one of the plurality of panels based on the second panel and transfers the displayed menu to the newly-selected panel.

Abstract: A display apparatus is provided. The display apparatus includes a communication interface configured to communicate with a plurality of image input devices, a display configured to display a plurality of images provided by the plurality of image input devices on a single screen, a storage configured to store screen scale information of the plurality of image input devices, a sensor configured to sense a touch input on one image of the plurality of images, and a controller configured to convert actual touch coordinate values of an entire screen of the display into relative touch coordinate values corresponding to an image input device which provides a touched image in which the touch input is sensed, according to the screen scale information of the image input device which provides the touched image in response to the touch operation being sensed, and transmit the converted relative touch coordinate values to the image input device which provides the touched image.