Abstract: An electronic device and data control method are provided. The electronic device includes a connector which is connected to an external storage medium storing media data therein; an identification unit which identifies a storage identifier (ID) of the external storage medium connected to the connector; and a controller which performs a media function corresponding to the media data stored in the external storage medium whose storage ID is identified by the identification unit.

Abstract: Provided are methods of aging an x-ray generator having carbon nanotube electron emitters. The method of aging an x-ray generator that includes a cathode, a gate electrode, and an anode, includes applying a desired, or alternatively predetermined anode voltage to the anode, and applying a direct current pulse voltage to the gate electrodes to emit electrons from electron emitters. The method further includes maintaining an anode current formed by electrons generated from the electron emitters constant.

Abstract: An electronic device and data control method are provided. The electronic device includes a connector which is connected to an external storage medium storing media data therein; an identification unit which identifies a storage identifier (ID) of the external storage medium connected to the connector; and a controller which performs a media function corresponding to the media data stored in the external storage medium whose storage ID is identified by the identification unit.

Abstract: A method for providing a list of contents and a display apparatus applying the same are provided. The method displays images corresponding to a plurality of items included in a specific category of contents. If one of the displayed images is selected, a list of contents included in the item corresponding to the selected image is displayed. Accordingly, a user can easily identify what the item represents by viewing the image corresponding to the item.

Abstract: A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.

Abstract: A flexible display device including: a flexible display; a first sensor configured to sense an exposed area of the display which is exposed in a rolled state of the display; a second sensor configured to sense a user grip area within the exposed area, the user grip area corresponding to a user grip; and a controller configured to, in response to the exposed area and the user grip area being sensed, control the display to display a screen on the exposed area excluding the user grip area.

Abstract: A display device is provided. The display device includes pixels, a data driver, a signal controller, a data processor. The data driver is configured to apply a first data voltage to a first pixel. The signal controller is configured to transfer an image data signal and a data control signal for controlling an operation of the data driver. The data processor is configured to detect a first region including a moving in a first image signal, to apply a first dynamic capacitance control (DCC) to the first region, to apply a second DCC to a second region other than the moving pattern region, to generate the second image signal by combining the first region to which the first DCC is applied and the second region to which the second DCC is applied, and to transfer the second image signal to the signal controller.

Abstract: A display apparatus and a control method thereof for displaying an operational state of a user input are provided. The display apparatus includes: an image processor configured to process an image signal; a display configured to display an image thereon based on the processed image signal; a user input configured to receive a user's input; and a controller configured in response to the user's input being received, control the display to display thereon a cursor moved in correspondence with a location of the user's input as an icon showing an operational state of the user's input. Thus, a user may intuitively recognize the operational state of the user's input and may obtain prompt feedback on the input result without suspending his/her interaction.

Abstract: A display apparatus is provided. The display apparatus includes a display panel including a plurality of display blocks; a driving circuit configured to control an image to be displayed on the display panel; and a timing controller configured to control the driving circuit in response to an image signal and a control signal and to provide a data signal to the driving circuit, wherein the timing controller comprises a memory storing gamma correction values corresponding to gray scales of the image signal, and wherein the timing controller outputs the data signal, and the data signal is obtained by correcting the image signal using the gamma correction values.

Abstract: Disclosed are a main image processing apparatus, a sub image processing apparatus and a control method thereof. The control method of the sub image processing apparatus includes receiving a user's touch input through the sub image processing apparatus; determining which contents correspond to a touched area where the touch input occurs; sensing change in location of the touch input; and transmitting a control command for the contents to the main image processing apparatus in response to the sensed change in the location of the touch input. With this, it is more convenient for a user to control the main image processing apparatus through the sub image processing apparatus supporting the touch input.

Abstract: A gate-off voltage generator provides a gate-off voltage to a gate line of a display panel. The gate-off voltage generator includes a transistor having a base terminal, a collector terminal, and an emitter terminal, the emitter terminal configured to output the gate-off voltage to the gate line. A controller is connected to the base terminal. A feedback circuit is connected between the gate line and the controller, the feedback circuit configured to provide to the controller a feedback voltage based upon the gate-off voltage outputted from the emitter terminal. The gate-off voltage from the emitter terminal is compared with a desired gate-off voltage in the controller and the voltage at the base terminal is controlled by the controller to provide the desired gate-off voltage to gate line.

Abstract: A display apparatus and a method for scheduling a broadcast using the same. The broadcast scheduling method includes generating a program information table, in which broadcast information is arranged, if a broadcast program selected by a user in the program information table is moved into an area adjacent to an icon, displaying the broadcast program being added to an item folder, and scheduling the broadcast program.

Abstract: A display apparatus and a displaying method of the same, the display apparatus including a content output unit which outputs at least one content; a display unit; a video processor which processes and outputs a list image of the contents to the display unit; and a controller which controls the video processor to change a display effect of the list image according to frequency of use of the contents.

Abstract: A display apparatus and a displaying method of contents, the display apparatus including a content output unit which outputs contents, a display unit which displays predetermined space information, a user interface (UI) generating unit which generates UI information, a user input unit, and a control unit which classifies the contents into a group which corresponds to a position on the displayed predetermined space information based on predetermined position information of the contents in response to a request to search for contents, being input through the user input unit, controls the UI generating unit to generate a first UI indicating the group, and controls the display unit to display the generated first UI at the corresponding position of the group on the displayed predetermined space information.

Abstract: A content supply system and a content supply method thereof, and a display device and a control method thereof which supplies content to the display apparatus, are disclosed. A content supply system, including a user terminal which is used to purchase content; a content supply server which stores therein purchase description information of the first content purchased through the user terminal, and supplies second content based on the purchase description information of the purchased first content; and a display device which transmits usage authorization information to the content supply server corresponding to the purchase description information of the purchased first content, and receives the second content from the content supply server. The present invention supplies content which is purchased by a user through a user terminal and enables a user to use the content without double payment for the content.

Abstract: Provided are methods of aging an x-ray generator having carbon nanotube electron emitters. The method of aging an x-ray generator that includes a cathode, a gate electrode, and an anode, includes applying a desired, or alternatively predetermined anode voltage to the anode, and applying a direct current pulse voltage to the gate electrodes to emit electrons from electron emitters. The method further includes maintaining an anode current formed by electrons generated from the electron emitters constant.

Abstract: A field emission device may comprise: an emitter comprising a cathode electrode and an electron emission source supported by the cathode electrode; an insulating spacer around the emitter, the insulating spacer forming an opening that is a path of electrons emitted from the electron emission source; and/or a gate electrode comprising a graphene sheet covering the opening. A method of manufacturing a gate electrode may comprise: forming a graphene thin film on one surface of a conductive film; forming a mask layer having an etching opening on another surface of the conductive film, wherein the etching opening exposes a portion of the conductive film; partially removing the conductive film through the etching opening to partially expose the graphene thin film; and/or removing the mask layer.