Abstract: There is explained a driving method and apparatus for a plasma display panel that can be driven stably under a high temperature environment. A driving method and apparatus of a plasma display panel according to an embodiment of the present invention increases a voltage, which is applied to at least one of the scan electrode and the sustain electrode, in accordance with their scanning order under a high temperature environment.

Abstract: A method drives a plasma display panel including priming electrodes. In the writing period of a sub-field, prior to the scanning of respective scan electrodes, priming discharge is caused between the scan electrodes and the priming electrodes. The time interval between the application of voltage to the priming electrodes for causing the priming discharge and the scanning of the corresponding scan electrodes is set within 10 ?s.

Abstract: A method and apparatus for reducing flicker when displaying pictures on a plasma display panel, based on an input phase alternation line (PAL) video signal of 50 Hz. Video signal data include successive first and second sub-field groups. When the number of sub-fields in the first sub-field group is more than that of sub-fields in the second sub-field group, the start or end points of the first and second sub-field groups are fixed, based on whether the video signal has a load ratio higher than a threshold value. When the number of sub-fields in the first sub-field group is less than that of sub-fields in the second sub-field group, the start or end points of the first and second sub-field groups are fixed, based on whether the video signal has a load ratio higher than a threshold value.

Abstract: A ramp reset waveform generating apparatus in a display panel driving apparatus for a display panel includes a current source which is connected to a first electrode sustain circuit of the display panel through a first terminal of the current source, and generates a current corresponding to a predetermined reference current; a first switching unit which switches current flow between a second terminal of the current source and a first electrode terminal of the display panel; and a second switching unit which switches current flow between the second terminal of the current source and a second electrode terminal of the display panel, wherein, in a reset period, a ramp reset waveform is generated in the first electrode terminal and the second electrode terminal by the charge or discharge process of the display panel by the current generated in the current source according to a predetermined switching sequence.

Abstract: There is provided a plasma display. The plasma display includes a circuit having a first input that receives a first waveform, a second input that receives a second waveform, an output that provides a driving waveform for an electrode of a pixel in the plasma display, and a switching sub-circuit. The switching sub-circuit (i) routes the first waveform from the first input to the output during a first portion of a setup period to initialize the pixel for an addressing operation, and (ii) routes the second waveform from the second input to the output during a second portion of the setup period.

Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including a first electrode and a second electrode, and a driver. The driver supplies a first sustain signal of a first polarity to the first electrode during a signal supply period. The driver supplies a second sustain signal of a second polarity to the second electrode during at least a portion of the signal supply period. A magnitude of a rising slope and a magnitude of a falling slope of the second sustain signal are less than a magnitude of a rising slope and a magnitude of a falling slope of the first sustain signal, respectively.

Abstract: There is disclosed a method and apparatus of driving a plasma display panel that is adaptive for improving its contrast and enabling its high speed driving. A driving method of a plasma display panel according to an embodiment of the present invention applies a setup voltage with a first gradient to the scan electrode for the reset period; and applies the setup voltage with a second gradient to the sustain electrode while a voltage on the scan electrode rises.

Abstract: A plasma display is driven by dividing a plurality of row electrodes into a first row group and a second row group of row electrodes, dividing the first row group of row electrodes into a plurality of first subgroups, and dividing the second row group of row electrodes into a plurality of second subgroups. During a first address period of each first subgroup, non-light emitting cells are selected from among the first subgroup of discharge cells, and at least one second subgroup of light emitting cells among the plurality of second subgroups are sustain-discharged. In addition, during a second address period of each second subgroup, non-light emitting cells are selected from among each second subgroup of light emitting cells and at least one first subgroup of light emitting cells are sustain-discharged.

Abstract: Provided is a plasma display apparatus. The apparatus includes a plasma display panel having a plurality of scan electrode lines and address electrode lines, and supplying a scan signal to the scan electrode lines and supplying an address signal to the address electrode lines. The apparatus includes an inductor forming a resonance circuit together with a capacitance of the panel. Whereby the address signal comprises a gradual rise or fall period. A supply start time point of the address signal precedes a supply start time point of the scan signal.

Abstract: In a drive method of a mixed scan-sustain type of plasma display panel, set-up discharge is performed in the next scan line to be scanned when any particular scan line is in a write period. At this time, a first set-up discharge pulse, which is a gradually rising pulse of the opposite polarity of the scan pulse, is applied to scan electrodes of the scan line that is in the set-up discharge period, and a second set-up discharge pulse, which is a rectangular or gradually rising pulse of the same polarity as the scan pulse and of lower voltage than the scan pulse, is applied to the sustain electrodes. In addition, a set-up discharge erase pulse for eliminating set-up discharge and a sustain erase pulse for eliminating sustain discharge are impressed with the same gradually falling pulse shape.

Abstract: A driving apparatus for applying a data signal to each of a plurality of address electrodes of a plasma display panel is disclosed. The driving apparatus includes a plurality of data integrated circuits (ICs) that apply the data signal to the address electrodes depending on input data, and a plurality of energy recovery circuits that recover a voltage applied to the address electrodes, and are charged to the recovered voltage. Voltages charged to the plurality of energy recovery circuits are different depending on changes in data input to the data ICs connected to the energy recovery circuits.

Abstract: A method for driving a panel includes classifying cells on the panel into a plurality of cell groups and performing an addressing and a sustain discharge on cells included in each of the cell groups using address electrodes, scan electrodes, and common electrodes on the panel; dividing a frame period into a plurality of subfields, allocating different gray scales to the plurality of subfields, respectively, and selectively driving the subfields to represent gradation of visible brightness of the cells on the panel; and sequentially performing an address period and a sustain period on the cell groups in at least one subfield. After the address period is performed on cells included in a cell group, the sustain period is performed on the cells included in the cell group. After the sustain period is completed on one cell group, the address period is performed on another cell group.

Abstract: A first and a second signal line respectively supplying a first potential and a second potential to one end of a capacitive load, a waveform output circuit whose input terminal is connected to a supply line supplying a third potential, whose output terminal is connected to the first or the second signal line, and whose control terminal is connected to a waveform generating circuit, and a reactive current preventing switch connected between the control terminal and the output terminal or the input terminal of the waveform output circuit are provided. During a period when a reactive current is prevented from flowing, the reactive current preventing switch is bought into conduction to make a potential difference between the control terminal and the output terminal of the waveform output circuit smaller so that the waveform output circuit cannot be operated, which prevents the reactive current from flowing, leading to an improvement in the reliability of a driving circuit.

Abstract: A display device for displaying pictures by sequentially performing an address period and a sustain period, such as, a plasma display panel (PDP), is provided. The pixels of a panel are arranged into a plurality of groups, and an address period and a sustain period are sequentially performed on the pixels of individual groups. While an address period is being performed on the pixels of a certain group, the pixels of other groups are idle. While a sustain period is being performed on the pixels of the group subsequent to the address period, a sustain period is selectively performed on the pixels of each of other groups that have already undergone an address period. Accordingly, a sustain discharge operation is performed within a short period of time after an address operation is performed on each of the pixels, so that a stable sustain discharge occurs even though narrow scan pulses and address pulses may be applied during the address operation. Also, the time required to address all pixels is reduced.

Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment. A method and apparatus for driving a plasma display panel according to an embodiment of the present invention includes a first step of applying an initialization signal to the first and second electrodes to initialize cells, the initialization signal has at least one rising part where a voltage rises and at least one sustain part where the voltage is sustained; a second step of applying a scan signal to any one of the first and second electrodes, and data to the third electrode to select the cell; and a third step of alternately applying sustain signals to the first and second electrodes to carry out a display for the selected cell.

Abstract: For display using a plasma display panel including a screen made up of cells each of which has an address discharge portion controlled by a scan electrode and a data electrode and a priming discharge portion that is controlled by the scan electrode and an auxiliary electrode and tends to generate a discharge more easily than the address discharge portion, in a period when addressing operation is performed, scan pulses are applied to the scan electrodes sequentially, in parallel with the application of the scan pulses, address pulses are selectively applied to the data electrodes depending on display data, and potential of the auxiliary electrodes is so controlled that discharges are generated in the priming discharge portions in the cells of a selected row responsive to the application of the scan pulses to the scan electrodes irrespective of whether or not the address pulses are applied to the data electrodes.

Abstract: A driving circuit for reducing noise of a ceramic capacitor, that is capable of driving a plasma display unit, is provided. The circuit includes a circuit board, a first switch, a second switch, a first capacitor set, a second capacitor set, and a control switch. The first switch is located on the circuit board and coupled to the second switch at a connecting point and the connecting point is connecting to the plasma display. The first capacitor set is coupled to the first switch and provides a first driving voltage to turn on the first switch. The second capacitor set is coupled to the second switch and provides a second driving voltage to turn on the second switch. The control switch can control the first switch and the second switch to carry out a charged and discharged operation. Moreover, the first and second capacitor sets both include an even number of ceramic capacitors subsequently those are located in reverse.

Abstract: A method for driving a plasma display having discharge regions each crossed by a pair of sustain electrodes (YS, YAS) and at least one trigger electrode (XA) is disclosed. The method includes a succession of image frames or subframes which each have a discharge region sustain phase including the application of voltage pulses VS between the electrodes of each pair of sustain electrodes serving these regions, and the application of a trigger pulse VM, of duration ?M less than 1 ?S, between the trigger electrode (XA) and one and/or the other of the electrodes of each pair serving these regions. The intensity and luminous efficiency of plasma displays can thus be significantly improved.

Abstract: An apparatus for driving a plasma display panel is disclosed. In one embodiment, the apparatus includes i) first and second electrodes configured to generate a sustain discharge in a frame which includes a plurality of subfields and ii) a driver configured to provide a series of driving pulses to at least one of the first and second electrodes in at least one of the plurality of subfields. At least the last one of the series of driving pulses has a greater rising and/or falling time than those of the remaining driving pulses. According to at least one embodiment, the rising or falling time of the last one or several sustain pulse(s) applied to sustain electrodes during a sustain discharge period of one or more subfields is adjusted to be greater than those of the other sustain pulses, thereby reducing the appearance of an afterimage.

Abstract: A plasma display driving method and apparatus for stabilizing an initialization upon selective erasing in a case of simultaneously performing a selective writing and a selective erasing is disclosed. In the method and apparatus, at least one selective writing sub-field for selecting on-cells using a writing discharge is arranged within a portion of one frame period, and at least one selective erasing sub-field for selecting off-cells from the on-cells using an erase discharge is arranged within the remaining interval of one frame period other than a time period arranged with the selective writing sub-field. A normal sustaining pulse is applied to the selected on-cells to sustain a discharge of the on-cells, and an initialization pulse having at least one of a pulse width and a voltage level set to be larger than the normal sustaining pulse is applied prior to said selective erasing sub-fields.

Abstract: A driving apparatus of a plasma display panel (PDP) operates stably and reliably. The driving apparatus to drive the PDP includes a pulse application unit which applies a pulse to the PDP; and an energy recovery unit which comprises an inductor which generates LC resonance with a panel capacitor element of the PDP, an energy recovery determiner which determines the accumulation of energy during the LC resonance or emission of the accumulated energy to the PDP, and an energy storage unit which stores the accumulated energy, wherein the energy recovery determiner comprises a first falling switching device which determines the accumulation of the energy; and a second falling switching device which is connected between the first falling switching device and the energy storage unit, in order for the second falling switching device to form a current path toward the energy storage unit.

Abstract: A flat panel display device includes switching elements QA3 and QA4, respectively connected to a voltage Vs and ground to be applied to a panel capacitance Cp when performing light emission relating to image display, for clamping the voltage of the panel capacitance; coils LA1 and LA2 each having one end connected to the panel capacitance; a path separation circuit DLA1 and DLA2, connected to the other ends of the coils, for separating paths through which charge/discharge currents flow; a switching element QA1 connected between the voltage Vs and the path separation circuit; a switching element QA2 connected between the ground and the path separation circuit; and diodes connected in parallel to the switching elements, in which the resonance reference voltage relating to a power recovery operation is set to a maximum voltage and a minimum voltage to be applied to the panel capacitance, and the paths through which the charge/discharge currents flow are separated to thereby improve the recovery efficiency in a p

Abstract: A display apparatus displaying gray scale by using a subfield method has a main path, a sub path, a switch circuit, a motion region detection circuit, a first judging circuit, a level detection circuit, a motion detection correction circuit, and a second judging circuit. The switch circuit outputs a first image signal generated by the main path or a second image signal generated by the sub path by switching therebetween, and the first judging circuit outputs a first motion signal in accordance with an output of the motion region detection circuit. The motion detection correction circuit receives the first motion signal and a level signal, and outputs a second motion signal in accordance with the level signal, and the second judging circuit receives the second motion signal and the level signal, and outputs a switching control signal to the switch circuit.

Abstract: A plasma display apparatus comprises a plasma display panel, an energy storing unit, a first driver, and a second driver. The plasma display panel includes a first electrode and a second electrode. The energy storing unit supplies a first voltage and a second voltage, or the second voltage. The first driver supplying or recovering an energy corresponding to the first voltage or the second voltage of the energy storing unit through the first electrode during an address period. The second driver supplying or recovering the energy corresponding to the second voltage of the energy storing unit through the second electrode during a sustain period. A level of the first voltage is less than a level of the second voltage.

Abstract: A PDP driving method 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: A plasma display apparatus is disclosed. In the plasma display apparatus, a data signal includes a voltage rising period during which the data signal gradually rises to a first voltage using an inductor, a voltage maintaining period during which the data signal is maintained at a second voltage higher than the first voltage, and a voltage falling period during which the data signal gradually falls to a voltage equal to or less than the second voltage. A magnitude of the first voltage is equal to or more than one half of a magnitude of the second voltage, and is less than the magnitude of the second voltage. A current flowing in the inductor ranges from zero ampere to a maximum current value of the inductor at a time when a voltage of the data signal is equal to the first voltage.

Abstract: A low-cost capacitive load drive circuit, in which a reference voltage, a first voltage, and a second voltage are supplied to a capacitive load, and a plasma display apparatus using it, have been disclosed. The capacitive load drive circuit comprises a reference voltage switch the breakdown voltage of which is properly adjusted, a first switch, a reference voltage phase adjusting circuit, and a first phase adjusting circuit, and malfunctions due to the difference in switching characteristics can be prevented from occurring even when devices of different breakdown voltages are used.

Abstract: A plasma display device is provided which includes a plurality of X electrodes, a plurality of Y electrodes arranged adjacent to the plurality of X electrodes for causing sustain discharges between the plurality of X electrodes and the plurality of Y electrodes, an X electrode drive circuit for applying a sustain discharge voltage to the plurality of X electrodes, and a Y electrode drive circuit for applying a sustain discharge voltage to the plurality of Y electrodes. The X electrode drive circuit and the Y electrode drive circuit have a first sustain drive mode in which discharge pulses to predetermined adjacent electrodes rise or fall in the same direction at the same time and a second sustain drive mode in which discharge pulses to all adjacent electrodes rise or fall at different timings.

Abstract: A method and apparatus for driving a plasma display panel that is adaptive for improving a capability of gray scale expression as well as a picture quality. In the method and apparatus, an average brightness of an image is detected. A gray level number of the current image is adjusted in accordance with said average brightness of said image using a pre-stored reference gray level number.

Abstract: An apparatus for driving a display panel that applies a power source having at least one level to each of a plurality of electrodes is disclosed. The electrodes are divided into at least two groups and so as to reduce the instantaneous change in current when the electrodes are driven, the at least two groups are not driven at the same time.

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 by turns, 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 signal processor for multiple gradations for carrying out coding by replacing an input image signal with a plurality of subfields, comprising a main path for generating a primary color signal having a first number of gradations, a sub-path for generating a primary color signal having a second number of gradations, which is smaller than the first number of gradations, a switch, a movement detection circuit, a level detection circuit, a path switching control circuit for switching the switch based on the amount of movement and the level, plural subfield coding circuits for carrying out subfield coding different from each another, a superposing circuit for selecting one of the outputs of the plural subfield coding circuits, and a superposing control circuit, and thus preventing a moving false contour.

Abstract: A display device includes self-luminous elements arrayed to form a display screen, and a driving circuit which causes drive currents to flow in the self-luminous elements according to pixel signals. Particularly, the driving circuit is configured to restrict the drive currents flowing in the self-luminous elements upon increase in the total sum of the drive currents.

Abstract: A method for driving a plasma display panel in which any one of a scanning electrode and a sustaining electrode is shared by neighboring display cells interposed therebetween. At least one condition selected from the group consisting of a voltage of a sustaining pulse, a pulse width of a sustaining pulse, and a pulse applying interval of a sustaining pulse is changed in relation to a polarity of the sustaining pulse. The sustaining pulse is applied to the scanning electrode and sustaining electrode by a predetermined number with relation to an image data during a sustaining period.

Abstract: A PDP display apparatus driving method for performing multi-level gradation display by constituting one frame of a plurality of subfields assigned different weights, wherein in a subfield in which a relative luminance ratio corresponds to a lowest weight, display is performed according to discharges in two periods only, the periods being an initialization period and a write period.

Abstract: The present invention is a display device and display panel drive method that allow a more rapid select operation to be stably implemented by increasing the discharge probability of selective discharge. The display device comprises an address part that sequentially applies a positive scan pulse to a first row electrode of each of the display panel row electrode pairs in the address cycle while sequentially applying a pixel data pulse corresponding to the pixel data at the same timing as the scan pulse to each of the display panel column electrodes one display line at a time so that the column electrode side constitutes a cathode, such that an address discharge is selectively produced in the second discharge cell; and a sustain part that applies a sustain pulse to each of the row electrodes constituting the row electrode pairs in the sustain cycle, and the sustain part applies the ultimate sustain pulse of the sustain pulses applied in the address cycle to the first row electrode with a negative polarity.

Abstract: A device for driving a PDP for arranging scan electrodes and sustain electrodes in parallel for each display line, and arranging address electrodes to be crossed with the scan electrodes and the sustain electrodes. The device has a first switch and a second switch that are coupled in series between a first voltage and a second voltage, a capacitor coupled between a contact point of the first switch and the second switch and a third voltage. A rising ramp switch for forming a constant current is coupled to the third voltage at a first end of the rising ramp switch; and a main path switch is coupled between the contact point of the first and second switches and another end of the rising ramp switch, for forming a constant current.

Abstract: In an address driving circuit including a power recovery circuit, an energy charged in an external capacitor is established to be greater than an energy discharged from the external capacitor. As a result, a voltage of the external capacitor is increased to an address voltage to automatically stop a power recovery operation in the case of displaying a full white pattern. Further, to perform the power recovery operation in the cases of the dot on/off pattern and the line on/off pattern, the voltage of the external capacitor reaches an equilibrium state between the half the address voltage and the address voltage.

Abstract: An apparatus and method for driving a plasma display panel wherein an initializing discharge can be weakened to lower a dark room brightness and an initialization time can be shortened to permit a single scanning. In the apparatus, a sensing device senses an electrical signal with an initialization waveform applied from a voltage source to a display panel. A controlling device controls said electrical signal with an initialization waveform applied from the voltage source to the display panel by the sensed electrical signal.

Abstract: A method of driving a plasma display panel and an apparatus thereof wherein a switching frequency of a data drive IC is reduced to decrease power consumption required for an addressing operation. In the method and apparatus, a plurality of write sub-fields at which a writing data for turning on a cell is subject to a binary coding and a plurality of erase sub-fields for expressing a gray scale value while turning off a desired cell with respect to the cells having been turned on the previous sub-fields including said write sub-fields are established. An erase data having a logic value for turning off the cells is mapped on erase sub-fields, the number of which is smaller than that of said erase sub-fields. A data having a second logic value different from a logical value of said erase data is mapped onto the remaining erase sub-fields other than the erase sub-field on which said erase data has been mapped.

Abstract: The invention concerns a plasma panel display wherein the coplanar faceplate of the display panel comprising electrode triads including each two opposite side electrodes and a central electrode, and wherein during sustain operations by application of a series of sustain voltage pulses between the electrode triads, the central electrode always acts as anode. Such an arrangement, and preferably at an adapted width of the central electrode, enables to enhance substantially the luminous efficacy of the display panel.

Abstract: It is disclosed that there are a method and an apparatus of driving a plasma display panel that are adaptive for reducing an initialization period. A driving apparatus and a method of a plasma display panel according to the present invention include a driving circuit applying to the plasma display panel a ramp-up waveform rising from a first bias voltage and a ramp-down waveform falling down from a second bias voltage.

Abstract: In a three-electrode AC plasma display panel, a plurality of X electrodes (22) and a plurality of Y electrodes (23) are alternately arranged parallel to each other on one of two, front and rear insulating substrates (20, 21) opposing each other, and a plurality of data electrodes (29) are arranged on the other insulating substrate to cross the X and Y electrodes (22, 23) at right angles. In this panel, cell separation partition walls (33) are arranged on the front insulating substrate, on which the X and Y electrodes (22, 23) are arranged, along the X and Y electrodes (22, 23). In a driving method for the three-electrode AC plasma display panel, progressive display is performed depending on whether discharge simultaneously occurs between all the adjacent pairs of X and Y electrodes (22, 23).

Abstract: A driving circuit of a plasma display panel is provided in which a display cell including a first electrode and a second electrode is selected to light up, for applying a first voltage Vs1 to the first electrode and a second voltage Vs2 to the second electrode adjacent to the first electrode to cause a sustain discharge between the first and second electrodes. The driving circuit generates a sustain discharge voltage such that, during the sustain discharge between the first and second electrodes, an applied voltage Vc to a third electrode adjacent to the first electrode opposite to the second electrode falls within a range Vs2?Vc<Vs1, and, in this case, when a display cell including the third electrode is selected to light up, the polarity of a wall charge formed on the third electrode becomes positive.

Abstract: A method of driving a plasma display device that includes a plurality of scanning electrodes, a plurality of sustaining electrodes, and a plurality of data electrodes is such that, when m is any given integer, the data electrodes are applied with a negative polarity pulse when a voltage applied to the scanning electrodes gradually decreases during the initialization period, if a final pulse in a sustain period of an (m?1)-th subfield is applied to the scanning electrodes and an m-th subfield includes an initialization period. If the final pulse in the sustain period of the (m?1)-th subfield is applied to the sustaining electrodes and the m-th subfield includes the initialization period, the data electrodes are applied with a positive polarity pulse when a voltage applied to the scanning electrodes gradually increases during the initialization period.

Abstract: A plasma display apparatus, in which the supply of a sustain pulse can be controlled for each display line and power consumption can be reduced by terminating the supply of the sustain pulse to the display line in the non-display area, has been disclosed. In this plasma display apparatus, a switch circuit is provided respectively on each wiring path of the sustain pulse to each electrode of a first electrode (X electrode) and a second electrode (Y electrode) and it is possible to control whether or not to supply the sustain pulse for each electrode.

Abstract: A full color three electrode surface discharge type plasma display device that has fine image elements and is large and has a bright display. The three primary color luminescent areas are arranged in the extending direction of the display electrode pairs in a successive manner and an image element is composed by the three unit luminescent areas defined by these three luminescent areas and address electrodes intersecting these three luminescent areas. Further, phosphors are coated not only on a substrate but also on the side walls of the barriers and on address electrodes. The manufacturing processes and operation methods of the above constructions are also disclosed.

Abstract: The present invention is characterized in that the PDP drive means makes correction so as to decrease the emission intensity of green or to increase the emission intensity of blue as the display load factor increases compared with the case when the display load factor is lower. Or, the PDP drive means makes correction so as to increase the emission intensity of green or to decrease the emission intensity of blue as the display load factor decreases compared with the case when the display load factor is higher. Such a correction is effective when the monochromatic emission luminance of the fluorescent substance has such a saturation characteristic that the decrease in green is greater than blue as the emission frequency increases. Therefore, when the saturation characteristic is the opposite in terms of the relationship between green and blue, the increase/decrease of the emission intensity in the above correction must be the opposite.

Abstract: A driving method of a plasma display panel is provided in which effective resolution and luminance in a display of fields that constitute a frame are improved. The method includes dividing each of M (M?2) fields that constitute a frame into K (K?2) subfields having luminance weight, displaying the k (1?k<K) subfields selected in descending order of the luminance weight in progressive format using all display lines out of the K subfields and displaying the remaining subfields in interlaced format using the display lines selected at regular intervals at a ratio of one per M display lines in arrangement order.

Abstract: A driving method of a plasma display panel having a display electrodes arranged at the ratio of three per two rows is provided, in which all rows are lighted in sustaining period from an addressing period to the next addressing period and electromagnetic interference is reduced sufficiently. A display discharge is generated by controlling potentials of the display electrodes so as to satisfy two conditions. One condition is that there is a pair of display electrodes having terminals at the same side of the display screen and current directions opposite to each other. Another condition is to generate a potential difference across the display electrodes, which is necessary for discharging. Magnetic fields are canceled by each other in the pair of electrodes having current directions opposite to each other, so that electromagnetic interference is reduced.