Abstract: According to the present invention, a device for controlling an operation of at least one electric device including a user interface unit having a conversation display window in which a conversation with the at least one electric device is displayed, a conversation input window configured to receive a character for controlling the operation of the at least one electric device, an icon selection window in which an icon corresponding to the at least one electric device is displayed, and a chatting screen on which a send button for transmitting the character received by the conversation input window is arranged, and a control unit configured to collectively control the operation of the at least one electric device based on a batch control instruction received by the conversation input window.

Abstract: A mobile device includes a storage unit that stores information of previously registered electrical devices and an application for monitoring and controlling the previously registered electrical devices, a communication unit that communicates with the previously registered electrical device, a user interface unit that includes an overview part and a widget part, outputs an operation status of the previously registered electrical device, and receives an operation command of at least one of the previously registered electrical devices, a control unit that controls the user interface unit so that the operation status of the previously registered electrical device is output when the application is executed, and controls an operation of the at least one electrical device based on the operation command input to the user interface unit.

Abstract: A Liquid Crystal Display (LCD) includes: a liquid crystal panel having liquid crystal cells divided by scan lines and data lines and arranged in a matrix shape; a data driving circuit to supply an image signal to the liquid crystal cells via the data lines; a scan driving circuit to sequentially select and scan the scan lines and to control an on/off state of switching elements arranged in each of the liquid crystal cells; a timing controller to drive both the data driving circuit and the scan driving circuit, based on an externally inputted signal; and a common electrode driving circuit to drive a common electrode of the liquid crystal panel. The common electrode driving circuit supplies a common voltage to the common electrode, the common voltage including a DC voltage for a first period of a first horizontal period (1H) and another voltage for a second remaining period of the first horizontal period (1H).

Abstract: Provided is a method of manufacturing an electron emission device. The method includes: forming electron emission sources including a carbon-based material; and emitting electrons from the electron emission sources in a chamber containing a gas. Accordingly, an electron emission display device employing the electron emission device can improve uniformity between pixels and increase device lifespan.

Abstract: A user interface for and method of managing icons on a group-by-group basis using a skin image. The user interface includes an icon room which selectively provides a skin image or a reduced skin image on a desktop background depending on whether the skin image or the reduced skin image is activated, and a plurality of icon images which are included in the icon room and are provided on the skin image when the icon room is activated.

Abstract: A Liquid Crystal Display (LCD) includes: a liquid crystal panel having liquid crystal cells divided by scan lines and data lines and arranged in a matrix shape; a data driving circuit to supply an image signal to the liquid crystal cells via the data lines; a scan driving circuit to sequentially select and scan the scan lines and to control an on/off state of switching elements arranged in each of the liquid crystal cells; a timing controller to drive both the data driving circuit and the scan driving circuit, based on an externally inputted signal; and a common electrode driving circuit to drive a common electrode of the liquid crystal panel. The common electrode driving circuit supplies a common voltage to the common electrode, the common voltage including a DC voltage for a first period of a first horizontal period (1H) and another voltage for a second remaining period of the first horizontal period (1H).

Abstract: Provided is a method of manufacturing an electron emission device. The method includes: forming electron emission sources including a carbon-based material; and emitting electrons from the electron emission sources in a chamber containing a gas. Accordingly, an electron emission display device employing the electron emission device can improve uniformity between pixels and increase device lifespan.

Abstract: A user interface for and method of managing icons on a group-by-group basis using a skin image. The user interface includes an icon room which selectively provides a skin image or a reduced skin image on a desktop background depending on whether the skin image or the reduced skin image is activated, and a plurality of icon images which are included in the icon room and are provided on the skin image when the icon room is activated.