Abstract: A positive electrode active material precursor includes Ni and Mn and secondary particles formed by the aggregation of a plurality of primary particles. The secondary particles have a ratio of a core area to a total area of the particles ranging from 28.7% to 34.1%, and a porosity ranging from 11.3% to 11.7%. Also provided is a method for preparing the positive electrode active material precursor. Additionally, a positive electrode active material including a reaction product of the positive electrode active material precursor and a lithium raw material is provided. Also provided is a method for preparing a positive electrode active material using the positive electrode active material precursor.

Abstract: The present disclosure is directed to a coating composition including a graphene oxide and a solvent. At least one of a carboxyl group and an epoxide group of the graphene oxide is functionalized by an amine. The amine has an activation energy to an epoxide group of the graphene oxide of about ?3 kcal/mol to about 8 kcal/mol. A method of forming a stacked structure using the coating composition is provided. A method of manufacturing a display device using the coating composition is provided.

Abstract: An electronic device including a flexible display and a method thereof are disclosed herein. The electronic device may include the flexible display and a processor. The processor implements the method, including controlling the flexible display to divide a display area into a first area and a second area, controlling the flexible display to display a first graphic element related to a first application in the first area, and a second graphic element related to controlling the first application in the second area, and controlling the first application responsive to detecting an input to the second graphic element.

Abstract: Provided are a portable device and a screen display method of a portable device. The portable device includes an edge touch screen that has a main display area, has a left edge display area and a right edge display area which are individually extended from the main display area, and configured to display an application screen thereon; and a controller configured to control the edge touch screen, a first application screen corresponding to a first user input to be displayed on the edge touch screen, a second application screen corresponding to a second user input to be displayed in the main display area, and a part of the first application screen to be displayed in the left edge display area or the right edge display area.

Abstract: An electronic device is provided. The electronic device includes a sensor module configured to sense a pressure applied to the electronic device and to send a pressure value corresponding to the sensed pressure to a processor and the processor configured to perform an operation corresponding to the pressure value received from the sensor module, wherein if the sensed pressure belongs to a first interval, the sensor module sends a first pressure value, which represents the first interval, to the processor, wherein if the sensed pressure belongs to a second interval higher than the first interval, the sensor module sends a second pressure value corresponding to the sensed pressure to the processor, and wherein if the sensed pressure belongs to a third interval higher than the second interval, the sensor module sends a third pressure value, which represents the third interval, to the processor.

Abstract: An electronic device is provided. The electronic device includes a display and a processor operatively connected to the display and configured to control the display to display a window related to context recognition on the display according to a predefined first layout corresponding to a first event related to screen splitting and control the display to display at least two windows split with respect to a folded portion of the display according to a predefined second layout corresponding to a second event related to the screen splitting.

Abstract: An electronic device and a method performed in the electronic device are provided. The electronic device includes a display module, and a first processor and a second processor that are electrically connected with the display module. The first processor is configured to detect an operation performed in the electronic device, determine a range of display control authority to be provided to the second processor according to the operation, and provide the range of the display control authority to the second processor. The second processor is configured to generate a display screen corresponding to the range of the display control authority and provide the display screen through the display module.

Abstract: An electronic device including a plurality of displays and a method for operating the electronic device are provided. The method includes sensing pressure of an input to at least one of the plurality of displays, executing a first function in correspondence with the input if the sensed pressure is equal to or greater than a threshold, and executing a second function different from the first function in correspondence with the input if the sensed pressure is less than the threshold.

Abstract: An electronic device and method of controlling the electronic device is provided. The electronic device includes a display that includes a flat region and at least one curved region, an input device that receives a user manipulation, at least one pressure sensor that senses a pressure applied to the electronic device. The electronic device also includes a processor that performs an operation corresponding to the user manipulation based on the result of the sensed pressure caused by the user manipulation inputted on the curved region.

Abstract: An electronic device is provided. The electronic device includes a display and a processor operatively connected to the display and configured to control the display to display a window related to context recognition on the display according to a predefined first layout corresponding to a first event related to screen splitting and control the display to display at least two windows split with respect to a folded portion of the display according to a predefined second layout corresponding to a second event related to the screen splitting.

Abstract: An electronic device including a flexible display and a method thereof are disclosed herein. The electronic device may include the flexible display and a processor. The processor implements the method, including controlling the flexible display to divide a display area into a first area and a second area, controlling the flexible display to display a first graphic element related to a first application in the first area, and a second graphic element related to controlling the first application in the second area, and controlling the first application responsive to detecting an input to the second graphic element.

Abstract: An electronic device for processing audio data includes: a plurality of microphones configured to receive audio data which has at least one sound section where sounds of a specified frequency band exist within a specified time interval; and an audio data processing module configured to divide the received audio data by each direction of the sound source and collect at least one sound section from the divided audio data of each direction.

Abstract: Provided are a portable device and a screen display method of a portable device. The portable device includes an edge touch screen that has a main display area, has a left edge display area and a right edge display area which are individually extended from the main display area, and configured to display an application screen thereon; and a controller configured to control the edge touch screen, a first application screen corresponding to a first user input to be displayed on the edge touch screen, a second application screen corresponding to a second user input to be displayed in the main display area, and a part of the first application screen to be displayed in the left edge display area or the right edge display area.