Abstract: Disclosed is a method for preparing a precursor of lithium composite transition metal oxide for lithium secondary batteries, using a reactor having a closed structure including an outer stationary cylinder; an inner rotary cylinder on the same axis; and a rotation reaction area disposed between them, wherein ring-shaped vortex pairs that are uniformly arranged in a rotation axis direction and rotate in opposite directions are formed in the rotation reaction area. According to the method of the invention, raw materials comprising an aqueous solution of two or more transition metal salts, an aqueous solution of a complex forming additive, and a basic aqueous solution for maintaining pH are fed through an inlet into the rotation reaction area where a coprecipitation reaction is performed under a non-nitrogen atmosphere to form lithium composite transition metal oxide particles which are then discharged through a reactor outlet.

Abstract: A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces.

Abstract: A display apparatus and a method for controlling thereof are provided. The display apparatus includes a first display configured to display content, a second display configured to display an image at an outer area of the first display, and a controller configured to, in response to input of a user command while content is displayed on the first display, display a User Interface (UI) to control the display apparatus on the second display, and control content of the display by using the UI to control the display apparatus.

Abstract: The present invention provides a positive electrode active material for a lithium secondary battery which is capable of preventing the degeneration of a positive electrode active material and the generation of a gas during operating a battery due to humidity, by including a surface treatment layer of an amorphous glass including an alkali metal oxide and an alkaline earth metal oxide on the surface of a core including a lithium composite metal oxide and by decreasing humidity reactivity, and a secondary battery including the same.

Abstract: A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces.

Abstract: A method of controlling a device is provided including identifying a registered device from a screen input by a camera, receiving a user input for the identified device, and transmitting a control command corresponding to the input to the identified device.

Abstract: Methods and terminals for sharing content are described. In one method, an application is activated, upon detection of an event for executing the application, on a terminal, and an application screen having at least one content is displayed. Upon detecting a touch input for selecting, at least one content is selected. Upon detecting a touch input on a transmission button on the application screen, the selected at least one content is transmitted to an external terminal. In another method, an application screen having at least one icon for executing function is displayed; a touch input for selecting an icon associated with content to be received from an external terminal is detected; at least one identifier broadcast by the external terminal is displayed; and at least one content is received from the external terminal corresponding to the selected identifier, upon detection of a touch input for selecting at least one identifier.

Abstract: The present invention provides a positive electrode active material for a secondary battery, which includes a core, a shell disposed to surround the core, and a buffer layer which is disposed between the core and the shell and includes pores and a three-dimensional network structure connecting the core and the shell, wherein, the core, the shell, and the three-dimensional network structure of the buffer layer each independently include a lithium nickel manganese cobalt-based composite metal oxide and at least one metallic element of the nickel, the manganese, and the cobalt has a concentration gradient that gradually changes in any one region of the core, the shell, and the entire positive electrode active material.

Abstract: A method and apparatus for sharing presentation data, interactions, and annotation information between devices. The method includes: converting the presentation data into at least one image; transmitting the at least one image to the second device; displaying an image from among the at least one image on a screen of the first device, and transmitting image identification information about the displayed image to the second device; adding annotation data to the displayed image, based on a user input; and transmitting annotation information about the annotation data to the second device. The second device displays an image corresponding to the image identification information on a screen of the second device based on the image identification information, and the second device displays the annotation information on the image displayed on the screen of the second device the annotation information.

Abstract: A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces.

Abstract: A display apparatus and a method of controlling the display apparatus are provided. The method includes detecting a user when the display apparatus keeps a standby mode, in response to the detecting of the user, activating an area of a display unit to display at least one object, and in response to selection of one of the at least one object, controlling the display apparatus according to the selected object.

Abstract: A method of controlling a device is provided including identifying a registered device from a screen input by a camera, receiving a user input for the identified device, and transmitting a control command corresponding to the input to the identified device.

Abstract: A portable terminal device and a method for operating the same are provided. The portable terminal device includes a communicator configured to perform communication with an external device, a display configured to display a same image as an image displayed on the external device, an inputter configured to receive an input of a selection command, and a controller configured to perform an operation corresponding to an object included in the image at a time when the selection command is input.

Abstract: Disclosed are a cathode active material for high voltage and a lithium secondary battery including the same. More particularly, a cathode active material including spinel-type compound particles having a composition represented by Formula 1 below; Li1+aMxMn2?xO4?zAz??(1) where a, x and z are defined in a specification of the present invention, and metal oxides or metal hydroxides present on surfaces of the spinel-type compound particles, and a lithium secondary battery including the same.

Abstract: A method and apparatus for sharing presentation data, interactions, and annotation information between devices. The method includes: converting the presentation data into at least one image; transmitting the at least one image to the second device; displaying an image from among the at least one image on a screen of the first device, and transmitting image identification information about the displayed image to the second device; adding annotation data to the displayed image, based on a user input; and transmitting annotation information about the annotation data to the second device. The second device displays an image corresponding to the image identification information on a screen of the second device based on the image identification information, and the second device displays the annotation information on the image displayed on the screen of the second device the annotation information.

Abstract: A portable terminal device and a method for operating the same are provided. The portable terminal device includes a communicator configured to perform communication with an external device, a display configured to display a same image as an image displayed on the external device, an inputter configured to receive an input of a selection command, and a controller configured to perform an operation corresponding to an object included in the image at a time when the selection command is input.

Abstract: A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, a method for preparing the same and a lithium secondary battery including the same, the positive electrode active material includes a core including a first lithium complex metal oxide, and a shell located surrounding the core and including a second lithium complex metal oxide, and further includes a buffer layer located between the core and the shell, wherein the buffer layer includes a pore, and a three-dimensional network structure of a third lithium complex metal oxide which is connecting the core and the shell, and accordingly, minimizing destruction of the active material caused by a rolling process during the electrode preparation, and maximizing reactivity with an electrolyte liquid.

Abstract: A method and apparatus for sharing presentation data, interactions, and annotation information between devices. The method includes: converting the presentation data into at least one image; transmitting the at least one image to the second device; displaying an image from among the at least one image on a screen of the first device, and transmitting image identification information about the displayed image to the second device; adding annotation data to the displayed image, based on a user input; and transmitting annotation information about the annotation data to the second device. The second device displays an image corresponding to the image identification information on a screen of the second device based on the image identification information, and the second device displays the annotation information on the image displayed on the screen of the second device the annotation information.

Abstract: Methods and terminals for sharing content are described. In one method, an application is activated, upon detection of an event for executing the application, on a terminal, and an application screen having at least one content is displayed. Upon detecting a touch input for selecting, at least one content is selected. Upon detecting a touch input on a transmission button on the application screen, the selected at least one content is transmitted to an external terminal. In another method, an application screen having at least one icon for executing function is displayed; a touch input for selecting an icon associated with content to be received from an external terminal is detected; at least one identifier broadcast by the external terminal is displayed; and at least one content is received from the external terminal corresponding to the selected identifier, upon detection of a touch input for selecting at least one identifier.