Abstract: A liquid crystal display includes a liquid crystal panel that displays an image signal, a backlight unit supplying light to the liquid crystal panel, and a backlight control circuit to scan the backlight unit. The backlight control circuit supplies a pulse width modulation signal to rows of the backlight unit, which are adjacent to rows being scanned, such that the rows adjacent to the rows being scanned have a brightness lower than a brightness of the rows being scanned.

Abstract: A control board assembly includes a board, at least one electronic component mounted on one surface of the board, and a shield case receiving therein the board on which the at least one electronic component is mounted. On one surface of the shield case facing the at least one electronic component, at least one opening is formed to expose the at least one electronic component.

Abstract: A liquid crystal display device includes; gate lines disposed on a display region, data lines disposed on the display region, wherein the data lines intersect with, and are insulated from, the gate lines, a gate driver which drives the gate lines, a plurality of data drivers which generate a data voltage from an input power source voltage and supply the data voltage to the data lines, and a power source voltage supplying unit which supplies different power source voltages to each of the data drivers according to a distance of each data driver from the gate driver.

Abstract: A display apparatus and a driving method thereof, in which the display apparatus includes a temperature sensor detecting a temperature, a first memory, a timing controller that receives an (n?1)th image signal and an nth image signal of consecutive frames, corrects the nth image signal and outputs the nth image signal, wherein the timing controller generates a clock signal whose phase varies according to the detected temperature, writes the nth image signal in the first memory in synchronization with the clock signal, reads the (n?1)th image signal from the first memory, and compares the nth image signal and the (n?1)th image signal with each other to then correct the nth image signal based on the comparison result, a data driver that provides an image-data voltage corresponding to the corrected signal of the nth image signal, and a liquid crystal panel that displays an image corresponding to the image-data voltage.

Abstract: A data driving apparatus includes; an integrated circuit chip, a grayscale voltage generation unit disposed on the integrated circuit chip which receives grayscale generation signals from the outside and generates a plurality of reference grayscale voltages, and a driving unit disposed on the integrated circuit chip which receives the reference grayscale voltages, converts image signals from the outside into corresponding analog data voltages, and supplies the converted analog data voltages to data lines of a liquid crystal panel.

Abstract: An apparatus to enhance muscular movement is provided. The apparatus includes at least one muscular movement sensor to sense a result of an attempt to move a muscle, a movement information controller to analyze the sensed muscular movement, and generate muscular movement information based on the analyzed muscular movements, and a muscular movement actuator to enhance the movement of the muscle according to the generated muscular movement information by actively controlling a deformation of the muscle movement actuator over the surface of the muscle.

Abstract: A haptic button providing various stimulations to a user according to a current application and a haptic device using the same are provided. The haptic button includes an electro-active polymer having a flat shape, a pair of electrodes contacting two sides of the electro-active polymer, an electric circuit applying a predetermined voltage to the pair of electrodes, and a sensor sensing a button input from a user, wherein stimulation provided from the electro-active polymer to the user is changed by changing a waveform of the voltage according to a current application status.

Abstract: An input device for adaptively providing various input modes according to an aspect of the present application and providing a clicking feeling to a user by controlling the stiffness of a button pressed by the user is provided. The input device includes a contact surface (physically) contacting a user, an actuator providing a displacement or a force to the contact surface, and an electric circuit controlling the operation of the actuator.

Abstract: A user interface system and method for providing a vibration signal are provided. The user interface system includes a storage module to store a plurality of graphic objects and attribute information of each of the graphic objects, a control module to receive motion information of an interface object moved a user among the plurality of graphic objects from an interface device and to provide frequency information and amplitude information based on the motion information and the attribute information, and a drive module to generate a vibration signal based on the frequency information and the amplitude information and to transmit the vibration signal to the interface device.

Abstract: A mobile apparatus for providing a user interface and method and medium for executing functions using the user interface are provided. The mobile apparatus includes a user interface module sensing a user's touch and providing information regarding the user's touch, and a control module determining a type of mode and function selected by a user based on the provided information regarding the user's touch, wherein the user interface module provides a user interface pad by which mode items and function items corresponding to the mode items are simultaneously formed, and the user interface module includes a first area for selecting mode items corresponding to the type of mode and function determined by the control module, a second area for selecting the function items, and a common area of the first and second areas, and the control module executes a function positioned at the common area.

Abstract: An apparatus and a method for providing information during a call by delivering the current state and changes of state of a mobile device by tactile information, and which does not interfere with the phone conversation. The apparatus for providing information during a call comprises an information-sensing unit sensing at least one among information about the state of a mobile device and the state of a phone conversation, an information-analysis unit analyzing the sensed state information, a tactile information-generating unit generating tactile information corresponding to the sensed information, which was analyzed by the information-analysis unit, a tactile information-outputting unit delivering the tactile information to a user, and a driving unit generating a driving signal which drives the tactile information-outputting unit by converting the tactile information.

Abstract: An input device and method for protecting input information from exposure, in which the time of input of information is determined using a tactile output to protect the input information from being exposed. The input device for protecting input information from exposure includes a user-input module for receiving predetermined input information from a user, a control module for setting the information inputted in association with a tactile signal among the input information as user-input information, and a tactile-output-generation module for generating and providing the tactile signal to the user-input module under the control of the control module.

Abstract: A method and apparatus for efficiently providing tactile information. The method includes receiving a position indicated by input means, determining whether the input means is in contact with an object using the position indicated by the input means and the position of the object, generating tactile information about movement of a tactile device from information about a texture of the object, when it is determined that the input means is in contact with the object, transforming the generated tactile information tactile information in a perception region that can be perceived by a user, transforming the tactile information in the perception region into a driving signal capable of driving the tactile device, and driving the tactile device according to the driving signal.