Abstract: A method for driving a plasma display panel having at least three electrodes. The method includes applying a first pulse having a voltage changing with time in a positive direction and a second pulse having a voltage changing with time in a negative direction to a second main electrode in an address preparation period. The method also includes applying a scan pulse to the second main electrode in an address period. The method also includes at least one of the first and second pulses in the address preparation period has a stepwise waveform whose voltage rise or fall stepwise.

Abstract: A method of driving a plasma display apparatus is disclosed. The method includes supplying a first reset signal to a scan electrode during a reset period of a first subfield of a plurality of subfields of a frame, and supplying a second reset signal, whose a peak voltage is lower than a peak voltage of the first reset signal, to the scan electrode during reset periods of the remaining subfields except the first subfield when a data signal is not supplied to the address electrode during address periods of the remaining subfields. The first subfield is first arranged in the plurality of subfields in time order.

Abstract: A method and apparatus to drive a Plasma Display Panel (PDP) having X electrodes, Y electrodes, and address electrodes includes: dividing a unit frame, which is a display cycle, into a plurality of sub-fields for displaying time ratio gray-scale, each sub-field including a reset period, an address period, and a sustain period; alternately supplying a sustain pulse to the X electrode and the Y electrode based on a reference voltage in the sustain period; and reducing the width of the last sustain pulse of the sustain period in the minimum weighted sub-field, if a load factor of the minimum weighted sub-field to which the lowest gray-scale is allocated among the plurality of sub-fields is lower than the reference load factor.

Abstract: A plasma display includes a plasma display panel having a plurality of first electrodes, a plurality of second electrodes, a plurality of third electrodes crossing the first and second electrodes, and discharge cells corresponding to electrode crossings, and a controller configured to control reset, address and sustain operations for a plurality of weighted subfields, and to control a misfire prevention operation, the misfire prevention operation occurring before a main reset operation in a subfield that includes the main reset operation.

Abstract: A plasma display device includes: a plasma display panel including first and second electrodes and third electrodes crossing the first and second electrodes; a power supply for receiving an input voltage and generating a first voltage using the input voltage; and a first driving unit for applying an output voltage to each of the first electrodes. The output voltage falls gradually from a second voltage higher than the first voltage to the first voltage during a reset period. The first driving unit includes: a first diode having an anode coupled to each of the first electrodes; and a first switch having a first terminal coupled to a cathode of the first diode and a second terminal coupled to a first power source for supplying the first voltage. A voltage of each of the first electrodes falls to the first voltage when the first switch is in a turned-on state.

Abstract: In one embodiment, a plasma display device includes: a plasma display panel having a plurality of electrodes; a power supply including first and second power sources for respectively supplying first and second voltages, the second voltage being higher than the first voltage; a driving circuit for driving the electrodes; and a controller for generating a first signal to control the driving circuit. The driving circuit includes: a first switch for supplying a third voltage to the electrodes, the third voltage decreasing over a period of time; a switching controller for controlling the first switch in accordance with the first signal and a second signal; and a feedback signal generator for comparing fourth and fifth voltages respectively proportional to the third and second voltages, adjusting a level of the second signal according to a result of comparing the fourth and fifth voltages, and supplying the second signal to the switching controller.

Abstract: Example embodiments relate to apparatuses and methods for driving a display device, having a display panel including a plurality of first electrodes, a plurality of second electrodes and a plurality of third electrodes formed crossing the first electrodes and the second electrodes, and a plurality of discharge cells formed by the first electrodes, the second electrodes and the third electrodes. The apparatuses may further include a driver adapted to transmit a drive signal to the display panel, and a counter adapted to count an external signal and output a result to the driver. The driver may delay a time to reach a discharge firing voltage in the first electrodes and the second electrodes by controlling the drive signal in accordance with the result generated by the counter.

Abstract: In one embodiment, a method for driving a plasma display device during an address period is provided. The plasma display device includes a plasma display panel (PDP) having different electrode arrangement configurations between discharge cells of the PDP neighboring in a column direction. The PDP includes the discharge cells formed at crossing regions of first, second, and third electrodes, and barrier ribs, each of the discharge cells being individually surrounded by the barrier ribs. The PDP has an alignment error between the first and second electrodes and the barrier ribs. The method includes: applying a first sustain pulse having a high level duration period longer than a first period to the first electrodes; and applying a second sustain pulse having a high level duration period shorter than the first period to the second electrodes. The first and second sustain pulses alternately have high and low levels, and have opposite phases.

Abstract: A novel PDP device capable of reducing the peak current of a sustain discharge without the need to modify circuits has been disclosed.

Abstract: The present invention relates to a plasma display device and a driving method thereof. A second voltage higher than a first voltage is applied to second electrodes while the first voltage is applied to first electrodes during at least a portion of a wall charge compensation period occurring between a first period and a second period of an address period. A difference between the first voltage and the second voltage is smaller than that between voltages applied to the first and second electrodes in a sustain period. Further, only when temperature of the plasma display device is higher than a reference temperature, the wall charge compensation period is included. Accordingly, the wall charges lost due to high temperatures may be compensated and a stable address operation can be performed.

Abstract: A plasma display device and a method for driving the plasma display device capable of reducing noise. The plasma display device displays images using a plurality of discharge cells, and is constructed with a plurality of first electrodes, a plurality of second electrodes, and a plurality of third electrodes intersecting the first electrodes and second electrodes. The driving method of the plasma display device includes: initializing the plurality of discharge cells; selecting light-emission cells among the plurality of discharge cells; and discharging the light-emission cells by supplying the first electrodes of the light-emission cells with first sustain pulses whose periods are irregular and supplying the second electrodes with second sustain pulses whose periods are irregular and are alternative to the first sustain pulses.

Abstract: A method of driving a plasma display panel during an address period. In order to avoid address discharge failure at the temporal end of an address period, the voltages applied to the scanning electrodes and to the bias electrodes are decreased throughout the address period. By ramping these voltages down towards the end of the address period, mis addressing is less likely to occur. Other modifications to the driving waveforms include altering the amplitude and/or the temporal width of the address pulses and the scanning pulses. Such techniques allow the address period to remain short while preventing failure during the address period.

Abstract: A plasma display device and a driving method thereof which can prevent address discharging from low discharging. The driving method of the plasma display device includes a plasma display panel having first to third electrodes divided into a plurality of groups including a first group and a second group, and a frame divided into a plurality of sub-fields, each sub-field divided into a reset period, an address period, and a sustain period, the method includes during an address period: sequentially supplying the first group with a scan pulse, supplying a sub scan pulse to the second group, and sequentially supplying the second group with the scan pulse.

Abstract: The present invention realizes, in a plasma display device with two systems (X and Y systems) of sustain circuits integrated, a stable drive and improvement of the service life. In the present invention, X-electrodes are set at the ground potential, and Y-electrodes have, in a reset period, an application of reset pulses having a positive polarity and a negative polarity and, in a sustain period, an application of sustain pulses having the positive polarity and the negative polarity are applied and in a sustain period. Address pulses are applied to the address electrodes in an address period. At least either in the reset period or in the sustain period, pulse signals are applied to the address electrodes. Then, the level of the pulse signal is higher than a level of the address pulse.

Abstract: A plasma display apparatus comprises a plasma display panel and a scan driver. The plasma display panel comprising a first scan electrode, a second scan electrode, and a sustain electrode. The scan driver supplies the first scan electrode with a first scan signal, supplies the first scan electrode and the second electrode with a first signal for emitting light, and then supplies the second scan electrode with a second scan signal that falls down from a scan reference voltage, and supplies the first scan electrode with a voltage that is different from the scan reference voltage while the second scan signal is supplied.

Abstract: In a plasma display device, an elapsed driving time of the plasma display device is accumulated and calculated, and a scan pulse having a first voltage is supplied to a scan electrode during a first period which is an address period of each subfield in response to the accumulated driving time being less than a reference time, and a scan pulse having a second voltage that is greater than the first voltage is supplied to a scan electrode during a second period which is an address period of each subfield in response to the accumulated driving time being greater than the reference time.

Abstract: A plasma display driver and a plasma display having such a driver includes: a first switching transistor, a switching controller, first to third input and output terminals, and fourth and fifth input and output terminals. The switching controller generates a switching control signal, according to the input signal, to turn a first switching transistor on and off. The first to third input and output terminals respectively output a power source voltage, a ground voltage, and the input signal to the switching controller. The fourth and fifth input and output terminals are respectively coupled to a drain and a source of the first switching transistor.

Abstract: A plasma display and a driving method for the plasma display. The plasma display is constructed with a control type plasma display panel having a closed barrier rib configuration, and each pair of column-wise neighboring discharge cells have different electrode arrangement. In the driving method, when the control type plasma display panel has an alignment error for a first electrode and a second electrode, a scan pulse having a first width is applied to an odd-numbered first electrode, and the scan pulse having a second width that is different from the first width is applied to an even-numbered first electrode.

Abstract: Disclosed are a plasma display panel, a apparatus and apparatus for driving the same. The plasma display panel includes a front substrate and a rear substrate that are oppositely arranged to each other, a scan electrode and a sustain electrode formed on the front substrate including a transparent electrode and a bus electrode, an address electrode formed on the rear substrate in a direction that is intersected with the scan electrode and the sustain electrode, and a barrier rib that is arranged in space between the front substrate and the rear substrate so as to form a plurality of discharge cells, wherein the ratio of a net area (ST) of the transparent electrode that transmits a visible ray among the whole area of the transparent electrode against an area (Sc) of the discharge cell is satisfied by the equation: 0.51?ST/SC?0.

Abstract: In a circuit driving a capacitive load Cp, current passed through a transistor Q3, a diode D1 and a recovering coil L is passed through lines L1, L2, and the inductance components of the lines L1 and L2, and the drain-source capacitances of the transistors Q1 and Q2 generate LC resonance. Capacitors C1 and C2 are connected in parallel to the drain-source regions of the transistors Q1 and Q2 to increase the total drain-source capacitance and reduce the resonance frequency, so that unwanted electromagnetic wave radiation in a frequency band affecting other electronic devices is suppressed.

Abstract: A method for driving a plasma display panel is disclosed. The panel comprises a scan electrode and a sustain electrode, which are formed on an upper substrate in parallel to each other, and an address electrode formed on a lower substrate in the direction where the address electrode intersects the scan electrode and the sustain electrode. The method comprises generating an opposite discharge between one of the scan electrode and the sustain electrode and the address electrode during a sustain period, and generating a surface discharge between the scan electrode and the sustain electrode after the opposite discharge is generated.

Abstract: An apparatus configured to drive a display panel by applying voltages of one or more levels to each of a plurality of electrode lines is disclosed. The apparatus includes first control switches configured to control a connection between a power source of a first level and each of the electrode lines and second control switches configured to control a connection between a power source of a second level and each of the electrode lines, wherein, when the power supply voltage of the first level or the second level is applied to the electrode lines, the electrode lines are divided into two or more groups, and the first control switches and the second control switches have different switching times according to the group to which they belong.

Abstract: A method for driving M address electrodes included in a plasma display panel in an address period for selecting specific discharge cells from discharge cells of N rows and M columns that applies a driving voltage rising in two stages from a reference voltage to an address voltage to the M address electrodes in a period of the address period that corresponds to a first row and applies a driving voltage tailing in two stages from the address voltage to the reference voltage to the M address electrodes in a period of the address period that corresponds to an Nth row when the discharge cells of N rows and M columns are all selected.

Abstract: A PDP driving method. A falling ramp voltage is applied to a scan electrode so as to reset a state of wall charges of a discharge cell during a reset period. In this instance, a sustain electrode is maintained at a high voltage during an initial period for applying the falling ramp voltage, and the voltage at the sustain electrode is reduced to a normal voltage at a latter part of the period for applying the falling ramp voltage. Accordingly, the voltage applied to an address electrode is reduced in an address period since an erased amount of the wall charges of the address electrode is reduced during the reset 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 (PDP) driving apparatus and a method for displaying pictures on the PDP increases the ability to express low gray scales without increasing the number of sub-fields. Input picture signal data are delayed by one frame and the number of high-order bits, from most significant bits not commonly used by all picture signal data within one frame, is detected. When the number of unused bits is detected, inverse gamma-corrected decimal point bits are shifted to an actual data position by the number of unused bits so as to increase power of expression of low gray scale. The decimal point bits are converted into sub-fields having low gray scale weights, in consideration of the shifting to the actual data position, for display on the PDP.

Abstract: A plasma display panel including first and second substrates facing one another with a gap therebetween, address electrodes formed on the first substrate along a first direction, barrier ribs mounted in the gap and defining a plurality of discharge cells, first and second electrodes formed on the second substrate along a second direction, which is substantially perpendicular to the first direction, and third electrodes extending along the second direction between pairs of the first and second electrodes. Areas of the third electrodes vary according to the color of the discharge cell over which the third electrodes are formed.

Abstract: A plasma display device characterized by having a plurality of first electrodes which are provided on a first substrate, a plurality of second electrodes which are provided on the first substrate and for causing discharge between the plurality of first electrodes and themselves, a plurality of third electrodes which are provided in a second substrate to intersect the first and second electrodes, and a plurality of fourth electrodes which are provided between the plurality of first and second electrodes and for controlling discharge between the first and second electrodes, and characterized in that the plurality of first electrodes are fixed to a constant potential.

Abstract: A display device having a display matrix (m+2x by n+2x) including an active, e.g., controllable, pixel border located around the edge locations of a frame buffer matrix for improved character viewability. The border can be several pixels wide, e.g., 1<x<5. In one embodiment, the border is two pixels wide and surrounds a liquid crystal display (LCD) matrix area having (m×n) pixels that are controlled by a frame buffer memory. In one embodiment, the pixels of the border are active pixels and each contain a red, a green and a blue subpixel. The pixel border is useful for increasing viewability, e.g., contrast, of characters that are displayed along the edge of the LCD matrix area in a frame buffer region. The invention includes a border attribute register for containing a color attribute and a brightness attribute, in one embodiment.

Abstract: A plasma display device includes a plurality of electrodes; and a switch having a first terminal connected to a power source to supply a sustain voltage that is applied to the plurality of electrodes in a sustain period, and having a second terminal connected to the plurality of electrodes. The switch maintains a voltage of the plurality of electrodes at the sustain voltage by turning on in the sustain period, and gradually increases a voltage of the plurality of electrodes from a positive first voltage to a second voltage that is a sum of the first voltage and the sustain voltage by repeatedly turning on and off in a portion of a reset period.

Abstract: A plasma display apparatus comprises a plasma display panel and a driver. The plasma display panel comprises a first electrode, a second electrode, and a third electrode crossing the first electrode and the second electrode. During a first frame, the driver alternately supplies a sustain signal to the first electrode and the second electrode and supplies a constant voltage to the third electrode. During a second frame having a smaller APL of the first frame, the driver alternately supplies a sustain signal to the first electrode and the second electrode and supplies an auxiliary signal to the third electrode so as to correspond to at least one sustain signal of the sustain signals supplied to the first electrode and the second electrode.

Abstract: A plasma display device is provided which is capable of expanding an ensured operating temperature range or operating life time even at time of changes of a driving margin induced by a panel temperature or cumulative operating time of the panel. Display is controlled in a scanning period during which writing discharge is made to occur in a cell, in a sustaining period during which a cell having undergone writing discharge is turned ON for displaying, and in an initializing period during which wall charges in a cell and space charges accumulated before the scanning period starts are initialized. A wall charge adjusting period during which a potential difference between scanning electrodes and data electrodes varies gradually is set and a change rate of a potential between scanning electrodes and data electrodes during the wall charge adjusting period is changed according to the panel temperature and/or cumulative operating time of the panel.

Abstract: A driving method and a driver circuit for improving the definition of display image on a plasma display device. In an initial state in an addressing discharge period, a scanning electrode is applied with a scanning base pulse at a first power supply potential. This suppresses a weak erroneous discharge between a scanning base pulse and a display data pulse. Next, the scanning electrode is applied with a scanning pulse. After the scanning pulse has been applied, the scanning electrode is applied with the scanning base pulse at a second power supply potential. In this way, the level of the scanning base pulse applied to the scanning electrode after the end of the application of the scanning pulse in the addressing discharge period is lower than the level of the scanning base pulse applied to the scanning electrode before the application of the scanning pulse.

Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including first, second and third electrodes and a sustain driver. The sustain driver supplies a sustain signal swinging between a positive sustain voltage and a negative sustain voltage to the first electrode. The sustain driver supplies a voltage gradually falling from the positive sustain voltage or a voltage gradually rising from the negative sustain voltage to the first electrode during a second period following a first period when the positive sustain voltage or the negative sustain voltage is supplied. The sustain driver includes an inductor into which a current flows in the same direction during the first period and the second period.

Abstract: Provided is a plasma display panel that prevents a defect of electrode terminal units. The plasma display panel includes: a front substrate and a rear substrate facing each other; a plurality of barrier ribs disposed to partition a plurality of discharge cells between the front substrate and the rear substrate; a plurality of electrodes disposed between the front substrate and the rear substrate; and a plurality of electrode terminal units electrically connected to the plurality of electrodes, wherein the plurality of electrode terminal units are formed to cover one end of each of the plurality of electrodes.

Abstract: A method and apparatus of driving a plasma display panel that is adaptive for making a stable operation at both a low temperature and a high temperature. In the apparatus, a scan driver applies a first sustaining pulse to a scan electrode during a sustain period. A sustain driver applies a second sustaining pulse alternating with the first sustaining pulse to a common sustain electrode during the sustain period. A sustain voltage source supplies a driving voltage to the scan driver and the sustain driver such that the first and second sustaining pulses can be applied. A controller controls a voltage value of the driving voltage in correspondence with a driving temperature at which the panel is driven.

Abstract: In a plasma display and a driving method thereof, a misfiring prevention period is provided between a reset period and an address period in response to a temperature of the plasma display being higher than predetermined temperature or a weight value of a previous subfield being higher than a predetermined weight value. In the misfiring prevention period, a first voltage higher than a voltage supplied to a sustain electrode is supplied during a first period, and a voltage at a scan electrode is gradually decreased from a second voltage to a third voltage during a second period subsequent to the first period.

Abstract: A plasma display apparatus comprises a plasma display panel, a sustain driver, a data driver and a reference separation controller. The plasma display panel including a first electrode, a second electrode and a third electrode crossing the first electrode and the second electrode. The sustain driver supplying a sustain signal swinging between a positive polarity sustain voltage and a negative polarity sustain voltage to the first electrode during a sustain period. The data driver supplying a data signal to the third electrode during an address period. The reference separation controller controlling a first reference voltage source, which is connected with the sustain driver and the second electrode commonly, separated from or connected with a second reference voltage source which is connected with the data driver.

Abstract: The initializing period of at least one of a plurality of sub-fields constituting one field is a selective initializing period for selectively initializing discharge cells in which a sustain discharge has occurred in the sustaining period of the preceding sub-field. In the sustaining period of the sub-field prior to the sub-field including the selective initializing period, voltage Vr is applied to a priming electrode (PRi) for causing a discharge between the priming electrode (PRi) and corresponding scan electrode (SCi) using the priming electrode (PRi) as a cathode.

Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including first, second and third electrodes, a data driver supplying a data signal to the third electrode during an address period, and a sustain driver. The sustain driver consecutively supplies a first signal of a positive polarity direction, a second signal of a negative polarity direction, a third signal of a positive polarity direction, and a fourth signal of a negative polarity direction to the first electrode, and supplies a reference voltage to the second electrode during a sustain period. A duration of a bias period of the first signal is shorter than a duration of a bias period of the third signal.

Abstract: A plasma display panel with a drive circuit that divides a field into a plurality of sub-fields with each sub-field including a write period, a discharge sustain period and an erase period. In the discharge sustain period at least one of a plurality of pulses applied in a later part of the discharge sustain period has a larger pulse width than a pulse applied in an earlier part of the discharge sustain period and in the erase period, a narrow pulse is applied to a pair of electrodes extending across each of a plurality of discharge cells. The narrow pulse has a pulse height lower than a discharge firing voltage of the plurality of discharge cells and a smaller pulse width than the pulses applied in the discharge sustain period.

Abstract: A plasma display device is provided, which includes: a first electrode; a second electrode adjacent to the first electrode; a third electrode adjacent to the second electrode at an opposite side of the first electrode, and performing sustain discharges with the second electrode; and a drive circuit supplying plural first sustain discharge pulses, second sustain discharge pulses, and third sustain discharge pulses for the sustain discharges to the first electrode, the second electrode, and the third electrode respectively, and edges of the first sustain discharge pulses and edges of the second sustain discharge pulses have the edges of which phases are the same with each other and the edges of which the phases are different from each other.

Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including first, second and third electrodes, a sustain driver supplying a sustain signal to the first electrode during a sustain period, a data driver supplying a data signal to the third electrode during an address period, a first reference voltage source that is commonly connected to the sustain driver and the second electrode, a second reference voltage source connected to the data driver, and a reference separation controller. The reference separation controller separates or connects the first reference voltage source from or to the second reference voltage source.

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: An apparatus, method, and system for driving a display device, the display device having a first plurality and second plurality of row electrodes, with the first plurality being further grouped into a first set and a second set, such that undesired gas discharge and dielectric breakdown will not occur between the electrodes within the PDP, and dissipation of energy is reduced.

Abstract: Disclosed are a plasma display apparatus. The plasma display apparatus, comprising: a plasma display panel comprising a plurality of electrodes; and a driver supplying a driving signal to a predetermined electrode of the plurality of electrodes, wherein the plasma display panel comprises a front substrate on which first and second electrodes are formed in parallel to each other, a rear substrate aligned in opposite to the front substrate and forming a third electrode where the first and second electrodes intersect, and a barrier rib partitioning the discharge cell between the front and rear substrates, and wherein a exhaust unit is omitted from the rear substrate, and the driver supplies a first reset signal to the first electrode in a reset period for initializing a first subfield and supplies a second reset signal to the first electrode in the reset period of a second subfield, a magnitude of a voltage of the second reset signal is different from that of first subfield.

Abstract: In order to provide a method for driving a display panel capable of improving durability of a driving device for driving a display panel, when a scan pulse is applied in superposition with a base pulse to one of row electrodes of one row electrode pair among row electrode pairs while the base pulse is applied to one of the row electrodes of all the row electrode pairs in the display panel and a pixel data pulse corresponding to an image signal is applied to the row electrode at the same timing as that of the scan pulse to set discharge cells to either one of a light-on mode and a light-off mode, a change ratio of a voltage value in a fall period in the base pulse is smaller than a change ratio of a voltage value in a fall period in the scan pulse.

Abstract: A method of controlling electrodes of a pixel in a plasma display panel. The method includes applying a first voltage to a first electrode of the pixel during a sustain discharge involving the first electrode, and applying a second voltage to a second electrode of the pixel. The first voltage and the second voltage have a relationship that encourages the sustain discharge to extend to the second electrode.

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: 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.