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: This invention relates to a driving apparatus of a plasma display panel that is capable of being operated stable, regardless of temperature. A driving apparatus of a plasma display panel according to the present invention includes a panel having a scanning electrode for receiving a scanning pulse in an address period and an address electrode for receiving a data pulse synchronized with the scanning pulse in the address period; and a pulse width controller for changing the width of the scanning pulse when the panel is driven at a low temperature.

Abstract: A method of driving a plasma display panel that is adaptive for improving a picture quality. In the method, first and second sustain pulses having a different width during the sustain period are alternately applied to the first and second row electrodes.

Abstract: A method and apparatus of driving a plasma display panel for making a stable operation at both a low temperature and a high temperature is disclosed. In the apparatus, a temperature sensor senses a temperature of the plasma display panel. A set-down controller differently controls a voltage for causing a set-down discharge depending upon a temperature of the plasma display panel.

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: 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: 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 said first sustaining pulse to a common sustain electrode during said 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 said driving voltage in correspondence with a driving temperature at which the panel is driven.

Abstract: A method and apparatus are provided for driving a plasma display panel. This may include detecting an average picture level of a picture to be transmitted from an input device to a mapping device and to be displayed on the plasma display panel. This may also include mapping a number and an arrangement of sub-fields with respect to each pixel data based on the detected average picture level and determining a total discharge frequency and a discharge frequency by sub-fields based on the detected average picture level.

Abstract: A white balance compensating method of a plasma display panel includes detecting an average brightness of an input data; determining a discharge frequency in accordance with the average brightness of the data; and applying gamma correction to the data in consideration of the discharge frequency. A white balance compensating apparatus of a plasma display panel includes an average picture level controller for detecting an average brightness of an input data and determining a discharge frequency in accordance with the average brightness of the data; and a gamma corrector for applying gamma correction to the data in consideration of the discharge frequency.

Abstract: There is explained a method and apparatus of driving a plasma display panel that is capable of increasing a driving margin upon a selective writing and a selective erasing in case that not only the selective writing but also the selective erasing are carried out within one frame period. A method of driving a plasma display panel that selects cells in use of selective writing sub-fields and selective erasing sub-fields arranged within one frame period and has a plurality of scanning electrodes, a plurality of sustaining electrodes and a plurality of address electrodes, according to an embodiment of the present invention includes steps of selecting an on-cell by generating a writing discharge in use of a first scanning voltage in the selective writing sub-fields; and selecting an off-cell by generating an erasing discharge in use of a second scanning voltage in the selective erasing sub-fields.

Abstract: A method may be provided for setting an average picture level. This may include setting an average picture level with a fixed number of steps based on a pre-determined gray level range, deriving a low brightness intensifying coefficient, deriving a high brightness intensifying coefficient, deriving a first constant representing an average increase rate of brightness, and calculating a number of sustain pulses corresponding to a gray level of a video signal currently inputted based on the derived low brightness intensifying coefficient, the derived high brightness intensifying coefficient and the derived first constant.

Abstract: A structure and driving method of a plasma display panel is provided, in which an amount of priming particles within a discharge cell increases to reduce discharge lag of address discharge. The structure of the plasma display panel includes a plurality of sustain electrode pairs successively formed on an upper electrode, a plurality of common electrodes formed one by one between a pair of the sustain electrodes, and a dielectric layer formed on the substrate to deposit the sustain electrodes and the common electrodes. The method for driving the plasma display panel includes the steps of applying a common pulse, which is periodically turned on/off, to the common electrodes, applying a scan pulse to one of a pair of the sustain electrodes, and applying an address pulse to the address electrodes when the scan pulse is applied to the one sustain electrode. Thus, since discharge conditions within the discharge cell can be improved, discharge lag less occurs than the related art plasma display panel.

Abstract: An erasing method and apparatus for a plasma display panel that is capable of minimizing spurious wall charges left after an erasing discharge. In the erasing method, an erasing signal taking a ramp waveform shape is applied to any one of first and second electrodes for alternately causing a sustain discharge. A voltage of said erasing signal is sustained at a voltage upon erasing discharge after the erasing discharge caused by said erasing signal.

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 supplies a rising ramp waveform in a set-up interval and a falling ramp waveform in a set-down interval. A temperature sensor senses a driving temperature of the panel to generate a bit control signal. A set-down control signal generator generates a control signal such that an application time of the falling ramp waveform can be controlled in correspondence with said bit control signal and for applying the control signal to the scan driver.

Abstract: An energy recovering apparatus and method uses an inductor to recover an energy stored in a display capacitance. The recovered energy is reusable for driving a display device, preferably a plasma display. The energy recovery can be based on LC resource frequency or not based on such frequency.

Abstract: A method and apparatus for expressing a gray level with a decimal value in a plasma display panel that is capable of enhancing a picture quality. In the method and apparatus, a sustaining pulse is applied only to any one electrode of a sustaining electrode pair to thereby express a gray level with a decimal value.

Abstract: The present invention relates to a plasma display panel for maintaining the light emission and enhancing the contrast. The plasma display panel of the present invention includes the first electrodes for receiving scan pulses, the second electrodes for receiving first sustain pulses and the third electrodes for receiving second sustain pulses. The black matrices are formed to cover the first electrodes. Thus, the first electrodes are used during resetting or addressing and the second electrodes and the third electrodes are use during sustaining so as to maintain the light emission and enhance the contrast greatly.

Abstract: A plasma display panel driving method and apparatus for optimizing an AV mode and a PC mode is disclosed. In the driving method and apparatus, an operation mode is selected on a basis of a motion extent of a data. At least one of a sub-field arrangement arranged within one frame interval and the number of sustaining pulses is differently controlled in response to said selected operation mode.

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 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 said first sustaining pulse to a common sustain electrode during said 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 said driving voltage in correspondence with a driving temperature at which the panel is driven.