Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.

Abstract: Provided is a disposable mask equipped with a plastic bag, which is easily disposed of by sealing a mask body with the plastic bag after use of the mask body. The disposable mask includes an outshell and a lining which are integrally formed into one body by thermal bonding. The disposable mask includes a mask body having an oblong shape and including a wire disposed at the upper side thereof and adhering the mask body closely to the face of a user in accordance with the facial contour and ear bands disposed at both sides of the mask body, and a plastic bag disposed between the outshell and the lining at the upper side of the mask body and allowing the mask body to be hygienically disposed of after use.

Abstract: Provided are an apparatus and method thereof for controlling a display screen of an apparatus using a controller of the apparatus, wherein the display screen is rotatable from a first position to a second position, the method including: displaying content on at least a portion of the display screen, as the display screen is in the first position, wherein the content includes characters having a size; rotating the display screen from the first position to the second position; adjusting the content by changing the a size of the characters; and displaying the adjusted content on the display screen in response to the rotating of the display screen from the first position to the second position, wherein the controller controls the adjusting of the content and the displaying of the adjusted content.

Abstract: A display apparatus and a method thereof are provided. The display apparatus includes a first controller which displays an image corresponding to a video signal, a main power supply unit, a second controller which determines whether to interrupt power supply from the main power supply unit, and a secondary power supply unit. Accordingly, power consumption in the display apparatus is reduced.

Abstract: A display apparatus and method are provided. A first control unit of the display device controls operation of the display apparatus, receives image signals from the external device, and displays the image signals. A second control unit receives user commands input through an input unit which is mounted in the display apparatus, and receives the image signals from the external device. If an abnormal image signal is received from an external device, the first control unit enters power save mode, and the second control unit, enters stand-by mode. Accordingly, whether normal image signals are input can be determined using the second control unit which has entered power save mode, so that the display apparatus can reduce the amount of power consumed after the display apparatus goes into power save mode.