Abstract: A field emission display device is provided which includes data lines formed in a panel, scan lines formed in the direction crossing the data lines in the panel, a first connector installed at an end of the data lines and electrically connected with the data lines, a second connector installed at an end of the scan lines and electrically connected with the scan lines and a printed circuit board which is installed on the rear surface of the panel. The flat emission display device can display an image of a uniform brightness regardless of the position of the screen. Also, the flat emission display device can maintain the brightness of the whole screen uniformly by differently supplying the driving voltage and pulse width of the driving voltage which are supplied to the data driving unit according to the position of the data line, and compensating voltage descending caused by differences in the resistance according to the is position of the scan line by converting the input data value.

Abstract: A field emission display device is disclosed. Since the size of the cells adjacent to the spacer is set smaller than the size of the other cells, the luminance and aperture rate of the panel can be improved. In addition, the width of the pulse supplied to the cells adjacent to the spacer and the width of the pulse supplied to the cells not adjacent to the spacer are set different, so that the same luminance can be displayed in every cell.

Abstract: An electroluminescence (EL) panel display and its driving method are capable of easily setting a color balance and improving a luminance, for which an EL panel includes a first substrate having a plurality of red and green inorganic materials thereon and a second substrate having a plurality of blue inorganic materials overlapped with the red and green inorganic materials.

Abstract: A plasma display apparatus, a plasma display panel, and a driving device and method thereof are provided. The plasma display apparatus includes including: a plasma display panel having a scan electrode, a sustain electrode and an address electrode for applying a predetermined voltage by constituting one frame of a combination of a plurality of subfields having the different number times of emission and dividing each subfield into a reset period, an address period, and a sustain period; and a scan driver for supplying a scan reference voltage, which is greater than the lowest voltage of the reset period and is less than or the same as a reference voltage of the sustain period, and a scan pulse voltage, which is less than the scan reference voltage, to the scan electrode during the address period.

Abstract: A driving apparatus of an electroluminescent display device includes: a scan driving unit for receiving a voltage from a single voltage source and sequentially supplying a scan pulse of which polarity is reversed by the frame unit to scan lines; and a data driving unit for receiving the voltage and sequentially supplying a data pulse with an opposite polarity to the polarity of the scan pulse to data lines. An optimum voltage to a pixel cell can be supplied by completely removing electric charges charged in the pixel cell by reversing a positive pulse or a negative pulse generated by a single power source by the frame unit and supplying it to each data line and scan line.

Abstract: In a flat panel display and an operation method thereof capable of lowering a capacitance of a pixel cell, an operation method of a flat panel display includes supplying a data pulse to first data lines of the panel, supplying a data pulse to second data lines of the panel and supplying a scan pulse to scan lines by being synchronized with the data pulse supplied to the first and the second data lines. In addition, an operation method of a flat panel display includes operating a left region of a panel after dividing the panel into two regions and operating a right region of the panel.

Abstract: The present invention relates to a plasma display apparatus and a method for driving a plasma display apparatus, and more particularly, to a method for driving a plasma display apparatus including an energy recovery circuit. The plasma display apparatus according to the present invention is characterized in that it includes a path forming unit which serves to supply the first energy to the scan electrode and supply the second energy to the sustain electrode; serves to supply the first sustain voltage to the scan electrode and supply the second sustain voltage to the sustain electrode; serves to supply the first energy to the sustain electrode and supply the second energy to the scan electrode; and also serves to supply the first sustain voltage to the sustain electrode and supply the second sustain voltage to the scan electrode. The plasma display apparatus according to the present invention may useful to reduce a manufacturing cost by using a relatively low rated voltage and therefore inexpensive elements.

Abstract: An apparatus/method for driving a metal insulator metal device, which are capable of removing an electric charge in a pixel cell inside a panel. The apparatus includes a data supply unit which supplies video data to a plurality of data lines, a scan driving unit for sequentially supplying a scan pulse synchronized with the video data to at least one scan line among the plurality of scan lines which cross the data lines, and a switching unit for controlling an output impedance of the scan driving unit.

Abstract: The present invention relates to a plasma display apparatus and driving method thereof. According to the present invention, the plasma display apparatus includes a plasma display panel in which scan electrodes and sustain electrodes are formed, and a scan driving unit that applies a scan voltage and a sustain voltage whose absolute values are the same to the scan electrodes, wherein the sustain electrodes are kept to the ground.

Abstract: Disclosed are an aging apparatus of a field emission device and a method thereof. The apparatus comprises an aging operation controlling unit for converting a direct current high voltage applied to an anode electrode into a high voltage of a pulse form, gradually increasing the converted high voltage of a pulse form with a certain interval and thus applying to the anode electrode, and performing an aging operation by controlling a voltage applied to a scan driving unit. According to this, arc is prevented, an entire panel aging time is reduced, and energy consumption is reduced.

Abstract: Disclosed herein is an apparatus and method for driving a plasma display panel, wherein electromagnetic interference is minimized and stability is improved. According to the present invention, the apparatus for driving a PDP includes a plurality of scan electrodes and sustain electrodes, which are formed parallel to each other, and a scan driving unit for alternately supplying sustain pulses of the positive polarity and the negative polarity to the scan electrodes during a sustain period, wherein the sustain electrodes are connected to a ground voltage source, and thus always keep a ground voltage.

Abstract: An apparatus and method for driving a field emission display (FED) device are disclosed. By applying a voltage to a specific electrode (data electrode or mesh electrode) of the FED device during a blanking time of a display frame of an FED, electric charges unnecessarily charged in the FED device can be removed.

Abstract: An FED device comprising at least one gate electrode and an insulation layer sequentially formed on a substrate, at least one cathode electrode positioned on the insulation layer, crossing the at least one gate electrode, and having at least one first groove portion or at least one first protrusion, at least one auxiliary electrode formed parallel to the cathode electrode and having at least one second groove portion or at least one second protrusion, and at least one carbon nano tube (CNT) formed at a boundary portion of the first groove portion of the cathode electrode or on the second protrusion of the cathode electrode. Distortion of electron beams generated from the FED can be minimized, cross talk generated among neighboring cells can be minimized, and luminance of the FED device can be enhanced.

Abstract: A field emission display (FED) device prevents a phenomenon that a cross talk occurs among neighboring cells by preventing distortion of electron beam and enhances luminance. The FED device includes a gate electrode and an insulation layer sequentially formed on a substrate; a cathode electrode formed on the insulation layer and crossing the gate electrode; a carbon nano tube (CNT) formed on the cathode electrode and having a smaller length than the gate electrode; and an auxiliary electrode formed parallel to the cathode electrode.

Abstract: A carbon nano tube (CNT) field emission display (FED) and its driving method enhance discharge efficiency by forming an auxiliary electrode that is separated by a certain distance from a cathode electrode and parallel to the cathode electrode on the same plane.

Abstract: In an aging apparatus of a FED (field emission display) and a method thereof capable of reducing damage occurrable in applying of a direct current high voltage to an anode electrode of a FED to perform aging, increasing life span of the FED and reducing a time required for aging, the method includes converting a direct current high voltage into a first high voltage pulse having uniform frequency and duty cycle or a second high voltage pulse having a frequency and a duty cycle varied according to time; and applying the converted first high voltage pulse or the second high voltage pulse to an anode electrode of a panel.

Abstract: A hybrid electro luminescence (EL) panel and a driving method thereof using advantages of an organic EL panel and inorganic EL panel. The panel includes a first substrate having a luminescent substance formed with an organic substance, and a second substrate having a luminescent substrate formed with an inorganic substance. Further, the first substrate and the second substrate are overlapped with each other, and thereby, a brightness can be improved, the panel can be scaled up, a life span of the panel is increased, and a color balance can be controlled easily.

Abstract: A surface conduction type electron-emitting display device and its manufacturing method capable of performing self-focusing so that electrons tunneled between a scan electrode and a data electrode do not spread is disclosed. A round groove is formed at a predetermined region of a lower substrate where a cell is formed so that tunneled electrons do not spread and have a curved line locus. Accordingly, electron beam distortion is prevented, and brightness and efficiency can be improved.

Abstract: The present invention discloses a field emission device which can improve luminance and uniformity of screen by enabling electrons emitted from a plurality of carbon nano tubes to evenly excite the whole surface of a fluorescent substance. The field emission device includes a bottom gate electrode formed on a bottom substrate, an insulation layer being formed on the bottom gate electrode, and having a via hole partially exposing the bottom gate electrode, a first top gate electrode formed on the insulation layer, and coupled to the bottom gate electrode exposed through the via hole, a first cathode electrode formed on the insulation layer on the same plane surface as that of the first top gate electrode, and a first carbon nano tube formed on the left side of the first cathode electrode, and a second carbon nano tube formed on the right side of the first cathode electrode.

Abstract: Disclosed are a driving apparatus of a passive matrix type electronic ink display device capable of driving the electronic ink display device precisely, improving a contrast of data displayed in the electronic ink display device, and simplifying a manufacturing process according to a simple construction of the electronic ink display device, and a method therefor. For this purpose, the method for driving the electronic ink display device comprises the steps of: applying a data voltage to at least one data line among a plurality of data lines; and applying a scan voltage only to one scan line selected among a plurality of scan lines while the data voltage is applied, and then floating the remaining scan lines other than the selected scan line.