Abstract: A large rollable display device includes flexible display modules arranged spaced apart from each other at first intervals on a rear surface of a transparent cover. Each of the flexible display modules includes primary sub-flexible display modules arranged spaced apart from each other at second intervals on a rear surface of a primary flexible film, and each of the primary sub-flexible display modules includes secondary sub-flexible display modules that are arranged spaced apart from each other at third intervals on a rear surface of a secondary flexible film.

Abstract: A large rollable display device includes flexible display modules arranged spaced apart from each other at first intervals on a rear surface of a transparent cover. Each of the flexible display modules includes primary sub-flexible display modules arranged spaced apart from each other at second intervals on a rear surface of a primary flexible film, and each of the primary sub-flexible display modules includes secondary sub-flexible display modules that are arranged spaced apart from each other at third intervals on a rear surface of a secondary flexible film.

Abstract: A display apparatus capable of configuring one multi display apparatus by combining a plurality of display apparatuses, a multi display apparatus, and an image display method using the multi display apparatus are provided. The display apparatus for configuring the multi display apparatus by making sides of a plurality of display apparatuses be opposite to each other includes an input interface configured to receive an image signal; wireless communicators comprising wireless communication circuitry provided at four sides of the display apparatus; a controller configured to set a reference display apparatus based on wireless communication through the wireless communicators, to set coordinates of the display apparatus, to determine a size of the multi display apparatus, and to select an area corresponding to the coordinates of the display apparatus from the image signal; and a display configured to display the area selected by the image selector.

Abstract: A display apparatus capable of configuring one multi display apparatus by combining a plurality of display apparatuses, a multi display apparatus, and an image display method using the multi display apparatus are provided. The display apparatus for configuring the multi display apparatus by making sides of a plurality of display apparatuses be opposite to each other includes an input interface configured to receive an image signal; wireless communicators comprising wireless communication circuitry provided at four sides of the display apparatus; a controller configured to set a reference display apparatus based on wireless communication through the wireless communicators, to set coordinates of the display apparatus, to determine a size of the multi display apparatus, and to select an area corresponding to the coordinates of the display apparatus from the image signal; and a display configured to display the area selected by the image selector.

Abstract: A display apparatus capable of configuring one multi display apparatus by combining a plurality of display apparatuses, a multi display apparatus, and an image display method using the multi display apparatus are provided. The display apparatus for configuring the multi display apparatus by making sides of a plurality of display apparatuses be opposite to each other includes an input interface configured to receive an image signal; wireless communicators comprising wireless communication circuitry provided at four sides of the display apparatus; a controller configured to set a reference display apparatus based on wireless communication through the wireless communicators, to set coordinates of the display apparatus, to determine a size of the multi display apparatus, and to select an area corresponding to the coordinates of the display apparatus from the image signal; and a display configured to display the area selected by the image selector.

Abstract: A flexible display apparatus and a method of manufacturing the flexible display apparatus that includes a first cover, a display panel configured to be disposed on a surface of the first cover and include a first panel configured to be divided into a first pixel part and a first driving part so as to enable the first pixel part and the first driving part to be folded on a first folding line and a second panel configured to be divided into a second pixel part and a second driving part so as to enable the second pixel part and the second driving part to be folded based on a second folding line, and a second cover configured to cover a back surface of the display panel. The first panel and the second panel are respectively folded by or on the first folding line and the second folding line to be disposed adjacent to each other so as to provide one image.

Abstract: A display apparatus is provided in which different driving voltages are supplied to each of a plurality of light emitting diodes (LEDs) by changing ground potentials of the plurality of LEDs included in an LED component, and a method of controlling the same. The display apparatus includes an LED component including a first LED having a first driving voltage and a second LED having a second driving voltage less than the first driving voltage, a common anode node which connects an anode of the first LED to an anode of the second LED, and a power controller which supplies different driving voltages to the first LED and the second LED through the common anode node.

Abstract: A flexible display apparatus and a method of manufacturing the flexible display apparatus that includes a first cover, a display panel configured to be disposed on a surface of the first cover and include a first panel configured to be divided into a first pixel part and a first driving part so as to enable the first pixel part and the first driving part to be folded on a first folding line and a second panel configured to be divided into a second pixel part and a second driving part so as to enable the second pixel part and the second driving part to be folded based on a second folding line, and a second cover configured to cover a back surface of the display panel. The first panel and the second panel are respectively folded by or on the first folding line and the second folding line to be disposed adjacent to each other so as to provide one image.

Abstract: A display apparatus capable of configuring one multi display apparatus by combining a plurality of display apparatuses, a multi display apparatus, and an image display method using the multi display apparatus are provided. The display apparatus for configuring the multi display apparatus by making sides of a plurality of display apparatuses be opposite to each other includes an input interface configured to receive an image signal; wireless communicators comprising wireless communication circuitry provided at four sides of the display apparatus; a controller configured to set a reference display apparatus based on wireless communication through the wireless communicators, to set coordinates of the display apparatus, to determine a size of the multi display apparatus, and to select an area corresponding to the coordinates of the display apparatus from the image signal; and a display configured to display the area selected by the image selector.

Abstract: A display apparatus is provided in which different driving voltages are supplied to each of a plurality of light emitting diodes (LEDs) by changing ground potentials of the plurality of LEDs included in an LED component, and a method of controlling the same. The display apparatus includes an LED component including a first LED having a first driving voltage and a second LED having a second driving voltage less than the first driving voltage, a common anode node which connects an anode of the first LED to an anode of the second LED, and a power controller which supplies different driving voltages to the first LED and the second LED through the common anode node.

Abstract: A display apparatus is provided. The display apparatus includes a communicator configured to communicate with an input apparatus comprising a touch pad, and receive coordinate data corresponding to a dragging trajectory input through the touch pad. The display apparatus also includes a display configured to display the dragging trajectory on a screen based on the received coordinate data; and a controller configured to recognize a number or character corresponding to the dragging trajectory based on the received coordinate data, and provide visual feedback adjusting the displayed dragging trajectory according to a recognition result.

Abstract: A power supply includes an inputter including an input capacitor and configured to receive an input DC voltage, a converter including an output capacitor and configured to convert the input DC voltage and to output the converted DC voltage, and a controller configured to control the converter to output a voltage corresponding to a reference voltage.

Abstract: A wireless charging apparatus and a wireless charging system using the same are provided. The wireless charging apparatus includes a sensing resonator that senses for an external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator.

Abstract: Apparatus, method, and system for synchronization and a three-dimensional (3D) display apparatus using the same are provided. The 3D display apparatus includes: a power generator which generates power based on a received alternating current (AC) power signal, a detector which detects zero crossing points of time of the received AC power signal, and a controller which generates a reference signal based on the detected zero crossing points of time and transmits the reference signal to at least one other 3D display apparatus.

Abstract: A power supplying apparatus, a power supplying method, an organic light-emitting diode (OLED) display apparatus are provided. The OLED display apparatus includes: a plurality of components which are to perform an operation of the OLED display apparatus; a power supplying unit; a rectifier which rectifies an input voltage supplied from the power supplying unit; and a voltage level converter which converts a level of the input voltage rectified by the rectifier and supplies the input voltage having the converted level to the plurality of components.

Abstract: A power supply includes an inputter including an input capacitor and configured to receive an input DC voltage, a converter including an output capacitor and configured to convert the input DC voltage and to output the converted DC voltage, and a controller configured to control the converter to output a voltage corresponding to a reference voltage.

Abstract: A display apparatus is provided. The display apparatus includes a communicator configured to communicate with an input apparatus comprising a touch pad, and receive coordinate data corresponding to a dragging trajectory input through the touch pad. The display apparatus also includes a display configured to display the dragging trajectory on a screen based on the received coordinate data; and a controller configured to recognize a number or character corresponding to the dragging trajectory based on the received coordinate data, and provide visual feedback adjusting the displayed dragging trajectory according to a recognition result.

Abstract: A high voltage power supply is provided. The high voltage power supply includes a soft-start circuit unit which outputs a natural voltage that decreases exponentially as time elapses and converts the natural voltage into a forced voltage having a predetermined scale if an enable signal is applied, a controller which compares the natural voltage output from the soft-start circuit unit with a reference voltage and outputs a control signal, and a converting unit which delays outputting a final voltage during a first predetermined time period and outputs the final voltage, which gradually increases as time elapses according to the control signal.

Abstract: A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave, and converts the resonance wave into DC power using a parallel resonant rectifier circuit that is impedance matched with impedance generated in the power receiving apparatus by parasitic components at a frequency of the resonance wave.

Abstract: A backlight apparatus and a display apparatus are provided. The backlight apparatus includes N first switch units to switch a plurality of currents flowing in respective N light emitting element arrays according to an input brightness control signal, N second switch units to switch a plurality of currents flowing in respective N capacitors according to the input brightness control signal, and a reference current generation unit to generate and output a reference current based on the input brightness control signal. An inverter unit adjusts a total current supplied to all of the light emitting element arrays in total to be equal to the reference current if the total current is different from the reference current.