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: A plasma display panel (PDP) includes first and second substrates provided in opposition to one another, address electrodes formed on the first substrate, barrier ribs mounted between the first and second substrates so as to define a plurality of discharge cells, phosphor layers formed in the discharge cells, first and second electrodes formed on the second substrate, and third electrodes mounted between the first and second electrodes at positions corresponding to the discharge cells. The first and second electrodes are positioned further from the second substrate than the third electrodes, and a spacing is provided between the first and second electrodes. A method for driving the PDP includes (a) applying a reset waveform to the third electrodes during a reset interval, (b) applying a scan pulse to the third electrodes during an address interval, and (c) applying a sustain discharge voltage alternately to the first and second electrodes during a sustain discharge interval.

Abstract: A plasma display panel and a driving method thereof. In the plasma display panel, Y electrodes are divided into a plurality of groups according to a scanning order and a final reset voltage is established to be different for each group. The plasma display panel includes a panel including a plurality of first electrodes and second electrodes, a plurality of selection circuits that are respectively coupled to the plurality of the first electrodes, and a driving circuit coupled to the second terminals of the selection circuits. The driving circuit includes a transistor which allows the voltage at the first electrodes to be reduced in a ramp style in a reset period.

Abstract: Disclosed is a driving device of a PDP having a misfiring erase period between reset and address periods. Large amounts of positive and negative charges are respectively formed on scan and sustain electrodes because of an unstable reset operation in the reset period. Because of the charges, discharging can occur between the scan and sustain electrodes in the sustain period even without addressing in the address period. In the misfiring erase period, a voltage is applied between the scan and sustain electrodes to generate discharging and respectively form negative and positive charges on the scan and sustain electrodes. An erase pulse is then applied to erase the negative and positive charges respectively formed on the scan and sustain electrodes.

Abstract: A driver circuit for a plasma display panel is disclosed. The driver circuit has a switch which is shared between the reset driver portion of the driver circuit and the sustain driver portion of the driver circuit. The driver circuit sharing the switch between the two portions is smaller and cheaper than other driver circuits.

Abstract: An insulation layer covering segment layers and a plurality of row electrodes arranged on a first substrate has, on its surface, first projections and second projections. The first projections have a shape and a height corresponding to those of the row electrode, and contacts partitions disposed on a second substrate. The second projections have a shape and a height corresponding to those of the segment layer. The partitions and the second projections constitute discharge barriers between columns, which prevents discharge interference from occurring between cells along the row electrodes.

Abstract: A plasma display device and a method of driving the same. Embodiments of the present invention provide a plasma display device and a method of driving the same with a reduced number of power supplies and improved performance. During a reset period, a voltage that gradually increases to two times as much as the sustain voltage is applied to a scan electrode, the sustain electrode is electrically floated during a period of the reset period when the voltage of the scan electrode is gradually decreased. A reference voltage is applied to a plurality of scan electrodes to which a scan voltage is not applied during an address period, as a non-scan voltage.

Abstract: The present invention relates to a method of driving a plasma display panel and a plasma display apparatus employing the same. A plurality of scan electrodes formed in a plasma display panel may be divided into first and second groups, each of the first and second groups may be divided into a plurality of subgroups and then sequentially supplied with scan signals on a subgroup basis. Scan bias voltages supplied to two or more subgroups belonging to the first group in a first period of the address period may be different from one another, scan bias voltages supplied to two or more subgroups belonging to the second group in a second period of the address period may be different from one another, and scan bias voltages supplied to any one subgroup belonging to the first group and any one subgroup belonging to the second group in a third period of the address period may be different from each other.

Abstract: A method for driving a plasma display panel. The plasma display panel includes a plurality of Y electrodes, a plurality of X electrodes, and a plurality of address electrodes. The Y electrodes are divided into a plurality of groups according to an order for scanning the Y electrodes and scan voltages are established to be varied for different groups when the scan voltages are sequentially applied to the Y electrodes. A period for gradually reducing a voltage at the Y electrodes and a bias voltage at the X electrodes is further included when the scan voltages are applied to the first Y electrode of each group of Y electrodes.

Abstract: A PDP device can realize both the reduction in power consumption in the sustain period and the appropriate erase operation. The PDP device has a plurality of display electrodes on a substrate surface, wherein the display electrodes include mutually adjacent X electrodes and Y electrodes. And the PDP has X, Y drive circuits that drive the X, Y electrodes. Further, in a sustain period, the X, Y electrode drive circuits apply sustain pulses having a rising dull waveform during the rise and a falling dull waveform during the fall between the X, Y electrodes a plurality of times, and after the plurality of sustain pulses have been applied, apply narrow erase pulses having a rise characteristic sharper than the rising dull waveform during the rise and also having a pulse width shorter than that of the sustain pulses between the X, Y electrodes.

Abstract: The present invention relates to a plasma display panel. The plasma display panel includes a front substrate on which a first electrode and a second electrode are positioned parallel to each other, a first black layer at a position corresponding to the first electrode, a second black layer at a position corresponding to the second electrode, a rear substrate positioned opposite the front substrate, and a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell. An interval between the first black layer and the second black layer ranges from 0.7 to times a shortest interval between at least one of the first and second black layers and the barrier rib.

Abstract: A plasma display device that enables a stable address operation even in a high-speed drive so as to display an image of high definition and high quality. A PDP having discharge cells each provided with a scanning electrode and a sustaining electrode is driven by a method for displaying a frame of an image by repeating an address period, a discharge sustaining period, and a discharge suspend period. At least one initialization period that succeeds a discharge suspend period and in which the state of the wall charge in each discharge cell is initialized is provided. In the discharge suspend period, a voltage is applied between the scanning electrode and the sustaining electrode so that a wall voltage may be generated at which the polarity at the scanning electrode with respect to the sustaining electrode is the same as that of the initializing pulse applied to the scanning electrode in the initialization period.

Abstract: The luminous efficiency of a plasma display panel (PDP) device is increased by positive column gas discharge sustaining, with higher voltage and Xe content, plus pre-discharges sustain priming. High-speed addressing by using address period priming discharge. Cost saving in row driver ICs is realized by row addressing separated from sustaining. High contrast ratio due to masking of setup and addressing discharges.

Abstract: In a plasma display device comprising: plural first, second, and third electrodes disposed adjacently and extending in a first direction, the third electrodes being provided between the first and second electrodes for repeating discharges; a dielectric layer covering the electrodes, a first electrode driving circuit for driving the first electrodes; a second electrode driving circuit for driving the second electrodes; and a third electrode driving circuit for driving the third electrodes, grayscale display is performed by a sub-field method, and the third electrodes are set to have a potential approximately the same as that of the first or second electrode at the discharge in the repetitive discharges. The third electrode driving circuit changes the ratio of the discharges in which the third electrodes operate as cathodes to the discharges in which they operate as anodes in the period when the discharges are repeated, at least in one sub-field.

Abstract: Provided is a driving method for a plasma display panel capable of prolonging a life span of the plasma display panel and improving luminous efficiency thereof by preventing an accumulation of positive charges on an address electrode of the plasma display panel. For the purpose in the present invention, voltage pulses having different polarities and sizes are applied to a pair of sustain electrodes of a plasma display panel while sustaining a discharge for the plasma display panel.

Abstract: A method for driving a plasma display including scan electrodes, address electrodes, sustain electrodes, and a plurality of discharge cells with one frame divided into a plurality of subfields. In the method, a voltage of the scan electrode is gradually increased from a second voltage to a third voltage while applying a first voltage to the address electrode during a first reset period of a first subfield among the plurality of subfields, and the voltage of the scan electrode is gradually increased from a fifth voltage to a sixth voltage that is lower than the third voltage while applying a fourth voltage that is higher than the first voltage to the address electrode during a second reset period of a second subfield among the plurality of subfields.

Abstract: The present invention relates to an apparatus for driving a plasma display panel, and more particularly, to an apparatus for driving a plasma display panel including a scan driver. According to an embodiment of the present invention, an apparatus for driving a plasma display panel includes one switching device to apply a scan pulse per one Y-electrode wherein the switching device is turned on to apply the scan pulse to the selected Y-electrode and wherein other switching devices are turned off. By performing scan and sustain processes using one switching device only, the present invention reduces the costs and the volume of the scan driver. Specifically, by turning on the switching device corresponding to the selected channel only and by turning off the switching devices corresponding to other channels, the present invention minimizes power consumption.

Abstract: A plasma display panel includes a first substrate and a second substrate facing each other with a plurality of discharge cells formed therebetween. A plurality of scan electrodes and a plurality of sustain electrodes are alternately arranged on the second substrate, and a discharge cell comprises a first sustain electrode, a second sustain electrode, and a scan electrode.

Abstract: A method for driving a plasma display panel including first display electrodes, second display electrodes interleaved with the first display electrodes, an address electrode crossing over the first display electrodes and the second display electrode. The first display electrodes are sorted by the order into the even group and the odd group of the first display electrodes. A first sustain pulse pair formed by the sustain pulses are respectively applied to the even group of the first display electrode and the second display electrode. A second sustain pulse pair formed by the sustain pulses are respectively applied to the odd group of the first display electrode and the second display electrode. There is a phase difference between the sustain pulse applied to the even group of the first display electrode and that applied to the odd group of the first display electrode.

Abstract: A surface-discharge type PDP includes plural electrode pairs formed of first and second sustain electrodes arranged on a first substrate. Each pair extends along a line direction, and the first and second sustain electrodes are in parallel and adjacent to each other. Plural address electrodes arranged on a second substrate opposing the first substrate via a discharge space, each extending along a row direction, a matrix corresponding to a screen to be displayed is formed with the main electrodes and address electrodes, the address electrodes are orthogonal to the main electrodes, each of the address electrode is divided into, for example two partial address electrodes separated from each other by a border line located between adjacent main electrode pairs, whereby the screen is divided into two partial screens, wherein a first clearance between the partial address electrodes is substantially larger than a second clearance between main electrode pair adjacent across the border line.

Abstract: The present invention relates to a method for resetting a plasma display panel which can improve contrast by reducing unnecessary light in a set-up period, and apparatus thereof. The method for resetting the plasma display panel, includes the steps of: forming initial wall charges in the discharge cells by means of a reset discharge in a set-up period; and erasing unnecessary wall charges of the initial wall charges from the discharge cells by means of an erasing discharge in a set-down period, wherein a period where the sustain electrodes are floated during the set-up period is set in one or more sub-fields.

Abstract: A technique for driving a PDP, which includes scan and sustain electrodes arranged in pairs, data electrodes arranged alternately with the scan electrodes, and sub-fields for one TV field to display a multi-gradation, includes applying a reset pulse voltage to the sustain electrodes, applying a first voltage alternately to the scan electrodes and the sustain electrodes to cause a sustain discharge, and after applying a second voltage to the sustain electrodes or removing part of the first voltage applied to the sustain electrodes, applying third and fourth voltages to the scan electrodes and the data electrodes, respectively, before applying the first voltage, to erase wall charges in cells defined by the sustain electrodes, the data electrodes, and the scan electrodes.

Abstract: An energy recovering apparatus for improving light-emission efficiency is disclosed. In the apparatus, a rectangular waveform supplier supplies a rectangular waveform to a panel capacitor. A tower waveform supplier supplies a tower waveform having any one shape of a sinusoidal waveform, a resonant waveform and a ripple waveform to the panel capacitor charged by said rectangular waveform.

Abstract: A plasma display has a first power recovery unit including a first inductor having a first end coupled to a second electrode and a second power recovery unit including a second inductor having a first end coupled to the second electrode, the second inductor having an inductance different from that of the first inductor and alternately supplying a second voltage that is greater than a first voltage and a third voltage that is less than the first voltage to the second electrode, while the first voltage is supplied to the first electrode, during a sustain period. A first path between the first inductor and second electrode has a different length from that of a second path between the second inductor and the second electrode, and an inductor on a longer path among the first and second paths has a smaller inductance than that of an inductor on a shorter path among the first and second paths.

Abstract: The present invention provides a plasma display panel and a method for driving the plasma display panel each of which ensures to suppress problems associated with an erroneous discharge resulting from accidental occurrence of a strong discharge in a reset period as well as with an address discharge delay. The problems are suppressed without applying an auxiliary erase pulse after the reset period ends. As a result, image display is provided with no flickering and good quality. The reset period includes a first step of applying a voltage having an ascending ramp waveform and a second step of applying a voltage having a descending ramp waveform. Between the first and second steps, a potential change waveform having a rise or fall (voltage change pulse) is applied at least to scan electrodes, sustain electrodes, or address electrodes.

Abstract: Provided is a PDP driving apparatus for reducing electromagnetic interference (EMI) generated during operation of a PDP. The PDP driving apparatus drives a PDP with X electrodes and Y electrodes arranged parallel to each other, and Address electrodes arranged to cross with the X electrodes and the Y electrodes to form discharge cells. The PDP driving apparatus includes a frequency lowering unit coupled between an X electrode and a ground terminal or between a Y electrode and a ground terminal. The frequency lowering unit includes a capacitor with capacitance between about 1 nF and about 2 nF, and lowers a resonance frequency caused by parasitic capacitance and inductance components of the PDP driving apparatus.

Abstract: During each set-up period, wall charges of scan electrodes and sustain electrodes, between which sustain discharges were generated in the previous subfield, are adjusted, and parts toward the sustain electrodes of positive charges in the scan electrodes are replaced by negative charges and parts toward the scan electrodes of negative charges in the sustain electrodes are replaced by positive charges. During each address period, write pulses are applied to the scan electrodes to generate write discharges utilizing priming discharges between the scan electrodes and priming electrodes. During each sustain period, positive charges are accumulated in the entire surfaces of the scan electrodes and negative charges are accumulated in the entire surfaces of the sustain electrodes.

Abstract: A plasma display apparatus and a method of driving the same are disclosed. According to the plasma display apparatus and the method of driving the same, when a plasma display panel (PDP) displays a screen with one frame comprised of a plurality of sub-fields including reset periods, different reset pulses are supplied to a first scan electrode and a second scan electrode in the reset period of an arbitrary sub-field among the plurality of sub-fields.

Abstract: Provided are a PDP device and a drive method thereof which restrict the generation of an erroneous discharge in the all-cell reset period and to restrict the appearance of flickers in the areas with low grayscale levels even if some areas have a lower firing voltage than the other areas due to variation of a property in the panel surfaces or due to a long-term driving, or even if the voltage applied to the address electrode is increased with the pursuit of high definition. The pulse Pul.3 is applied to address electrodes Dat at timing t0 prior to timing t1 when the potential of the scan electrodes Scn is increased to Vq(V). In this drive method, voltage Vx(V) is applied to address electrodes Dat so that there is no potential difference between the scan electrodes Scn and the sustain electrodes Sus at timing t0 when discharge Dis.3 is generated. Accordingly, the discharge Dis.

Abstract: A plasma display device and a method of driving a plasma display panel are provided for improving the contrast without degrading the image quality. Each of display cells formed on the plasma display panel has a magnesium oxide layer containing magnesium oxide crystals. The magnesium oxide crystals are excited by an electron beam irradiated thereto and emit cathode luminescence light having a peak in a wavelength range of 200 to 300 nm. In order to trigger a rest discharge in all the display cells, each row electrode pair of the plasma display panel is applied with a reset pulse which has a particular pulse waveform. The voltage value of this reset pulse slowly changes over time to reach a peak voltage value.

Abstract: The present invention relates to a drive device and method of a plasma display panel in which the manufacturing cost of a PDP can be reduced. The plasma display panel in accordance with the present invention has a drive device comprising: a IC circuit supplying drive voltage to scan electrodes; a energy recovery circuit supplying sustain voltage to the IC circuit; a set up supply part supplying rising ramp wave form to the IC circuit during set up period; and a set down supply part supplying falling ramp wave form to the IC circuit during set down period, wherein said drive device includes a switch which connects the set up supply part to the set down supply part and is turned on or off responding to voltage supplied to the IC drive circuit during the set down period.

Abstract: The present invention relates to a plasma display and a driving method thereof. In the plasma display, a plasma display panel (PDP) has different electrode arrangement configurations of discharge cells neighboring in a column direction and a closed barrier rib configuration. When the PDP has an alignment error in first and second electrodes, different rising slopes or falling slopes of a sustain pulse are applied to the first and second electrodes during a sustain period of a subfield.

Abstract: A plasma display improved in variation of display brightness between unit cells. A control circuit sets, for every pulse, a charge-recovering time period for recovering a charge on a capacitance component of the plasma display panel and a clamp timing period for applying a predetermined sustain voltage to the sustain electrodes or the scan electrodes after the charge-recovering time period through clamp start timing, and sets a sustain-discharge emission intensity ratio, as a ratio of a maximal discharge intensity in the clamp timing period with reference to a discharge intensity in the clamp start timing to a maximum discharge intensity in the charge-recovering time period, at a value that a discharge in the clamp timing period is to spread up to an end of the unit cell. For example, the control circuit sets a sustain-discharge emission intensity ratio substantially at 0.5 or greater or 0.1 or smaller, thus eliminating the occurrence of image retention.

Abstract: Disclosed is a PDP driving method which may include generating subfield information that shows ON/OFF states of discharge cells from among a plurality of subfields from input image signals, generating address information that shows ON/OFF states of the discharge cells per subfield from the subfield data, counting the number of the discharge cells that are ON from among the discharge cells from the address data, and controlling a waveform applied during a reset period of a subsequent subfield.

Abstract: A method of driving a PDP apparatus to sufficiently suppress the background light emission and improve the dark room contrast, in which first electrodes and second electrodes are arranged adjacently, a first display line is formed between one side of the second electrode and the first electrode adjacent thereto, a second display line is formed between the other side of the second electrode and the first electrode adjacent thereto, and the interlaced display that displays the first display line and the second display line alternately in different fields is performed, has been disclosed, wherein the reset voltage that directly relates to the intensity of the background light emission is varied according to the number of times of sustain discharges, the display conditions, and so on, in each subfield and the reset discharge is caused to occur with the minimum voltage in each subfield.

Abstract: A device and method for driving a plasma display including a first electrode, a second electrode, and a third electrode crossing the first and second electrodes, and a gap between the first and second electrodes is wider than a gap between the first and third electrodes. In this method, a first voltage is applied to the first electrode during a first period of a sustain period, and a second voltage that is lower than the first voltage is applied to the second electrode and a third voltage that is lower than the second voltage is subsequently applied to the second electrode during at least a part of the first period.

Abstract: In a plasma display panel driving method, a final voltage of a falling ramp voltage is reduced to a voltage for firing a discharge at all the discharge cells in a reset period. A difference between a voltage at an address electrode of a discharge cell to be selected and a voltage applied to a scan electrode is established to be greater than a maximum discharge firing voltage in an address period. A voltage greater than a sustain voltage is applied to the scan electrode so as to convert positive wall charges which can be formed on the scan electrode of a discharge cell which is not selected in the address period into negative wall charges.

Abstract: A PDP having a driving circuit that reduces the reset voltage of the PDP driving waveforms to make it possible to use low-voltage elements and to achieve high contrasts is disclosed. Since conventional PDP waveforms require very high reset voltages, it causes a problem of intense background light emissions, low contrasts, use of high-voltage components, and increased circuit costs. According to the driving waveforms of the present invention, relative voltage differences between the address electrode and the X electrode and between the X electrode and the Y electrode are considered to design waveforms of low reset voltages, thereby providing high contrasts and low-cost circuit.

Abstract: The present invention relates to a plasma display apparatus. The plasma display apparatus includes an upper substrate; first and second electrodes formed on the upper substrate; a lower substrate disposed opposite to the upper substrate; and a third electrode formed on the lower substrate. At least one of the first and second electrodes is formed as one layer, and includes first and second electrode lines formed in a direction intersecting the third electrode and a connecting electrode that connects the first and second electrode lines. The distance between the first and second electrode lines has a value of 2 or more in one discharge cell. Accordingly, manufacturing cost of a plasma display panel can be saved by removing a transparent electrode made from ITO. Further, a discharge firing voltage can be reduced and the luminance of a display image can also be improved by variably adjusting the distance between two electrode lines constituting a scan or sustain electrode.

Abstract: Provided is a method of driving a plasma display panel (PDP) that comprises X electrodes, Y electrodes, and address electrodes, wherein a frame, which is a display cycle, comprises a plurality of subfields for time-divisional gray scale display. Each of the subfields includes a reset period, an address period, and a sustain period. The reset period is one of a main reset period during which both a rising pulse and a falling pulse are applied to the Y electrodes and an auxiliary reset period during which one of the rising pulse and the falling pulse is applied to the Y electrodes, and the main reset period comprises a first pulse time during which a pulse rising to a level of a first voltage and then falling to a level of a second voltage is applied to the Y electrodes and a second pulse time during which a pulse rising to a level of a third voltage and then falling to a level of a fourth voltage is applied to the Y electrodes.

Abstract: A method of driving a plasma display panel having display electrode pairs each one of which pairs is formed of a scan electrode and a sustain electrode. A priming electrode is placed in every other spaces between the display electrode pairs and in parallel with the display electrode pairs. An addressing period includes an odd-line addressing period in which an address operation is conducted to primary discharge cells having odd-number scan electrodes, an even-line addressing period in which an address operation is conducted to primary discharge cells having even-number scan electrodes. During the respective addressing periods, scan pulse voltage Va is applied to odd-number scan electrodes or even-number scan electrodes while priming pulse voltage Vp is applied, prior to the application of the scan pulse voltage, to a priming electrode adjacent to the scan electrode to which scan pulse voltage Va is to be applied, in order to generate a priming discharge between the priming electrodes and the data electrodes.

Abstract: A plasma display device and driving method thereof are disclosed. In the plasma display device, a wall charge state of each cell is initialized after forming a wall voltage between respective sustain electrodes by gradually decreasing a voltage of the sustain electrodes. In addition, in a sustain period, a high level sustain discharge pulse having a positive voltage and a low level sustain discharge pulse having a negative voltage are applied to the sustain electrode while maintaining a voltage of a scan electrode at a ground voltage. In this way, a maximum voltage applied to a scan electrode driver that applies the driving waveform to the scan electrode is decreased. In addition, a sustain discharge pulse is applied only to the sustain electrode, which is a common electrode, and therefore the driving waveform between each cell can be prevented from being distorted in the sustain period.

Abstract: A plasma display device that enables a stable address operation even in a high-speed drive so as to display an image of high definition and high quality. A PDP having discharge cells each provided with a scanning electrode and a sustaining electrode is driven by a method for displaying a frame of an image by repeating an address period, a discharge sustaining period, and a discharge suspend period. At least one initialization period that succeeds a discharge suspend period and in which the state of the wall charge in each discharge cell is initialized is provided. In the discharge suspend period, a voltage is applied between the scanning electrode and the sustaining electrode so that a wall voltage may be generated at which the polarity at the scanning electrode with respect to the sustaining electrode is the same as that of the initializing pulse applied to the scanning electrode in the initialization period.

Abstract: A plasma display panel including: a first substrate and a second substrate facing each other; X electrodes and Y electrodes extending in a first direction between the first substrate and the second substrate; third electrodes extending in a second direction between the first substrate and the second substrate; barrier ribs arranged between the first substrate and the second substrate so as to define a plurality of discharge cells, wherein the barrier ribs comprise horizontal barrier ribs extending in the first direction; a first dielectric layer arranged on the first substrate so as to cover the X electrodes and the Y electrodes; a second dielectric layer arranged on the second substrate so as to cover the third electrodes, wherein each of the X electrodes and Y electrodes comprises a transparent electrode and a bus electrode, and a distance We between bus electrodes of adjacent discharge cells satisfies an about 4×Wb?We? about 6×Wb relationship where Wb is the thickness of each horizontal barrier rib.

Abstract: A plasma display panel (PDP) capable of reducing or suppressing resonance between adjacent capacitively coupled sustain electrodes, which can generate audible noise from a panel, and accordingly reducing the noise of the panel. The sustain electrodes comprise a plurality of X electrodes and a plurality of Y electrodes, which cross a substantially perpendicular plurality of address electrodes. According to one embodiment, the sustain electrodes are arranged using at least two of four different patterns of four, such as X-Y:X-Y, X-Y:Y-X, Y-X:Y-X, and Y-X:X-Y. According to another embodiment, a pattern of four adjacent electrodes is not repeated more than once.

Abstract: A method and an apparatus for driving a plasma display panel with improved image quality are provided. The method for driving a PDP includes: determining whether a frame period is varied on the basis of order of an inputted vertical synchronization signal; varying the frame period; and shifting and arranging the first and second frames in the varied frame period.

Abstract: A method for driving a plasma display panel having first electrodes, second electrodes, and panel capacitors formed between the first and second electrodes. In a reset period: a first voltage corresponding to a voltage applied to the first electrode which is not selected in an address period is applied; a waveform which rises to a second voltage from the first voltage is applied to the first electrode; and the voltage at the first electrode is reduced to a third voltage.

Abstract: An electron emission device has an optimized inner structure where the electrons emitted from the electron emission regions are straightly migrated toward the phosphor layers. The electron emission device includes first and second substrates facing each other, and cathode electrodes formed on the first substrate. Electron emission regions are formed on the cathode electrodes. An insulating layer and gate electrodes are formed on the cathode electrodes and have openings exposing the electron emission regions. Phosphor layers are formed on the second substrate. An anode electrode is formed on a surface of the phosphor layers. The distance z between the cathode and the anode electrodes satisfies the following condition: 0.7d((Va?Vc)/Vg)?z?1.4d((Va?Vc)/Vg), where Vc indicates the voltage applied to the cathode electrodes, Vg the voltage applied to the gate electrodes, Va the voltage applied to the anode electrode, and d the distance between the cathode and the gate electrodes.

Abstract: A method for driving a plasma display panel. A discharge occurs at a selected discharge cell by scan and address pulses to form wall charges in an address period. A setup pulse is applied to a scan electrode in a sustain period. A discharge occurs between sustain and scan electrodes by a wall voltage of the sustain and scan electrodes and a voltage of the setup pulse when the setup pulse is applied. A self discharge occurs between the sustain and scan electrodes when the setup pulse falls, to form space charges. A sustain pulse is applied to the sustain and scan electrodes, and a sustain occurs by the space charges and the sustain pulse.

Abstract: The present invention relates to a plasma display panel, and more particularly, to an energy recovery apparatus of a plasma display panel and method thereof. The energy recovery apparatus includes a capacitive load equivalently formed between a scan electrode and a sustain electrode, an energy recovery unit for recovering energy charged in the capacitive load and again supplying the recovered energy to the capacitive load, an energy supply unit disposed between the energy recovery unit and the capacitive load, wherein the energy supply unit relays energy between the energy recovery unit and the capacitive load and supplying a reference voltage to the capacitive load so that stabilized discharging can be generated in the capacitive load, and an energy relay unit disposed between the energy recovery unit and the energy supply unit, for relaying energy between the energy recovery unit and the energy supply unit.