| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 345068000 | Means for combining selective and sustain signals | 11 |
| 20080211742 | PLASMA DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - There is provided a plasma display apparatus comprising a plasma display panel and a driver. The plasma display panel includes a first electrode and a second electrode. The driver alternately supplies a first sustain signal and a second sustain signal to the first electrode and the second electrode in a first subfield and supplies a third sustain signal and a fourth sustain signal that swing a positive polar voltage and a negative polar voltage in a second subfield to the first electrode and the second electrode. | 09-04-2008 |
| 20080211743 | Plasma display device and driving method of plasma display panel - A driving method of a plasma display panel including a plurality of first electrodes, a plurality of second electrodes, and a plurality of third electrodes formed in a direction to be intersected with the first electrodes and the second electrodes is disclosed. The method includes resetting the electrodes by applying a waveform having a predetermined voltage to the first electrode, applying a fourth voltage to the second electrodes for a predetermined period; selecting cells to be discharged by applying a scan pulse voltage to each of the first electrodes and the third electrodes; and alternately applying a plurality of sustain discharge pulses having a first voltage as peak value to each of the first electrodes and the second electrodes, wherein the step of applying the fourth voltage Ve stops the application of the fourth voltage Ve while the first sustain discharge pulse of the first electrodes continues. | 09-04-2008 |
| 20080224958 | PLASMA DISPLAY DEVICE AND DRIVING APPARATUS THEREOF - In a plasma display device and a driving apparatus thereof, a scan electrode driver for applying a driving voltage to a scan electrode has a diode including a cathode coupled to a sustain voltage supplying power and an anode coupled to a switch for applying a reset rising waveform to the scan electrode. In the scan electrode driver, when a switch for applying a reset rising waveform is turned on, the voltage at the scan electrode is gradually increased by a voltage that is less than the sustain voltage due to the breakdown voltage of the diode. Therefore, the number of power sources is reduced simplifying the circuit configuration and reducing the plasma display device production cost. | 09-18-2008 |
| 20080246696 | Plasma display and driving device thereof - A driver circuit for a scan electrode of a plasma display panel is disclosed. The driver circuit has reduced voltage drop in the current path used to drive the scan electrode during a sustain period. Accordingly, the circuit provides improved power efficiency and speed. | 10-09-2008 |
| 20090009437 | PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS - A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate, a scan electrode and a sustain electrode positioned parallel to each other on the front substrate, an upper dielectric layer positioned on the scan electrode and the sustain electrode, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front and rear substrates to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The upper dielectric layer includes a glass-based material and a first blue pigment. The phosphor layer includes a first phosphor layer emitting red light, a second phosphor layer emitting blue light, and a third phosphor layer emitting green light. The first phosphor layer includes a red pigment. | 01-08-2009 |
| 20090085841 | Plasma display, controller therefor and driving method thereof - A plasma display, a controller therefor and a method of driving determines a total number of sustain pulses according to a screen load ratio, and allocates sustain pulses to each subfield according to a weight value of that subfield. A ratio of overlap sustain pulses to non-overlap sustain pulses is determined according to the weight value of each subfield, and the overlap and non-overlap sustain pulses are arranged according to the determined ratio. The arranged sustain pulses are applied to a plurality of first and second electrodes that perform a display operation during a sustain period. | 04-02-2009 |
| 20090096720 | PLASMA DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus driven in a frame comprised of a plurality of subfields includes a plasma display panel including a scan electrode and a sustain electrode, and a driver. The driver supplies a first signal, that rises from a first voltage to a second voltage, is maintained at the second voltage during a predetermined period of time, and falls from the second voltage to a third voltage smaller than the first voltage with a slope, to the scan electrode. The predetermined period of time is set at different values in at least two subfields. | 04-16-2009 |
| 20090115702 | METHOD OF DRIVING PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS THEREOF - The present invention relates to a plasma display apparatus and, more particularly, to a method of driving a plasma display panel. The plasma display apparatus includes a plasma display panel including a plurality of scan electrodes and sustain electrodes formed on an upper substrate, and a plurality of address electrodes formed on a lower substrate, and a driver for supplying driving signals to the plurality of electrodes. The plurality of scan electrodes are divided into first and second groups and then supplied with scan signals, and scan bias voltages supplied to the first and second groups in at least any one period of an address period are different from each other. In at least one of a plurality of subfields constituting one frame, a width of a first sustain signal of a plurality of sustain signals supplied during a sustain period is larger than a width of each of the remaining sustain signals. | 05-07-2009 |
| 20090140954 | METHOD OF DRIVING PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS - A method of driving a plasma display panel displaying an image in a frame including a plurality of subfields and a plasma display apparatus are disclosed. In the method, at least one of the plurality of subfields is a selective write subfield, and at least one of the other subfields is a selective erase subfield. The plasma display panel includes a front substrate including a scan electrode and a sustain electrode, a rear substrate positioned opposite the front substrate, and a phosphor layer between the front and rear substrates. The phosphor layer includes a phosphor material and an additive material. The additive material includes at least one of magnesium oxide (MgO), zinc oxide (ZnO), silicon oxide (SiO | 06-04-2009 |
| 20090153443 | PLASMA DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A plasma display device including: a display panel including discharging cells; a driving unit that supplies a reset signal, an address signal, and a sustain signal to the discharging cells; and a logic controller that controls the driving unit. The driving unit includes a scan driver for generating the reset signal. The scan driver supplies a falling ramp pulse and step pulses to reset the discharge cells. The logic controller supplies a switch control signal to the scan driver, to control the generation of the step pulses. | 06-18-2009 |
| 20090179829 | PLASMA DISPLAY PANEL DRIVING CIRCUIT AND PLASMA DISPLAY APPARATUS - An object of the present invention is to provide a PDP driving circuit and a plasma display apparatus each of which controls a discharge current at the time of sustain discharge by carrying out a switching operation during a power source clamping while changing a turn-on time, so as to display an image whose brightness is suppressed without deteriorating the gray scale. A PDP driving circuit ( | 07-16-2009 |
