# US 7,746,296 B2 · Plasma display apparatus and driving method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,746,296 B2 - Document ID: US7746296B2 - Status: Granted - Kind: B2 - Application number: 11/619,643 - Filed: 2007-01-04 - Published: 2007-07-05 - Granted: 2010-06-29 - Earliest claimed: 2006-01-04 - Assignees: LG Electronics Inc. - Inventors: Kirack Park; Seonghwan Ryu - Web page: https://patentgrep.com/patent/US7746296B2 ## CPC - G09G 3/293: for address discharge - G09G 3/2927: {Details of initialising} - G09G 3/2022: {using sub-frames} - G09G 2310/0218: with collection of electrodes in groups for n-dimensional addressing - G09G 2320/0209: Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display - G09G 2320/0228: Increasing the driving margin in plasma displays - G09G 2320/0238: Improving the black level - G09G 2330/06: Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A plasma display apparatus and a method of driving the same are provided. The plasma display apparatus comprises a plasma display panel, a scan driver, and a data driver. The plasma display panel comprises a scan electrode, a sustain electrode, a first address electrode, and a second address electrode. The scan driver supplies a pulse to the scan electrode between a reset period and an address period. The data driver supplies a data pulse to the first address electrode and the second address electrode at different points of time. ## Claims ### Claim 1 A plasma display apparatus, comprising: a plasma display panel comprising a scan electrode, a sustain electrode, a first address electrode, and a second address electrode, the plasma display panel being adapted to generate plasma to display an image; a scan driver for supplying a pulse to the scan electrode between a reset period and an address period; and a data driver for supplying a data pulse to the first address electrode and the second address electrode at different points of time. ### Claim 2 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a first falling pulse falling from a first voltage to a second voltage of a negative polarity, and the plasma display apparatus further comprises a sustain driver for supplying a fifth voltage of a positive polarity to the sustain electrode when the first falling pulse is supplied. ### Claim 3 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a first falling pulse falling from a first voltage to a second voltage of a negative polarity, and the scan driver is adapted to supply a first rising pulse, which gradually rises from a third voltage to a fourth voltage, to the scan electrode after the first falling pulse is supplied. ### Claim 4 (depends on 2) The plasma display apparatus of claim 2, wherein the scan driver is adapted to supply a first rising pulse, which gradually rises from a third voltage to a fourth voltage, to the scan electrode after the first falling pulse is supplied, the plasma display apparatus further comprises a sustain driver for supplying the fifth voltage to the sustain electrode while the first falling pulse is supplied and supplying a sixth voltage to the sustain electrode while the first rising pulse is supplied, and a level of the fifth voltage is higher than a level of the sixth voltage. ### Claim 5 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a first falling pulse falling from a first voltage to a second voltage of a negative polarity, the scan driver is adapted to supply a first rising pulse, which gradually rises from a third voltage to a fourth voltage, to the scan electrode after the first falling pulse is supplied, and is adapted to supply a scan reference voltage to the scan electrode in the address period, and a level of the third voltage is substantially same as a level of the scan reference voltage. ### Claim 6 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage. ### Claim 7 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, and the scan driver is adapted to supply a second falling pulse, which falls from a ninth voltage to a tenth voltage, to the scan electrode after the third rising pulse is supplied. ### Claim 8 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, the scan driver is adapted to supply a scan reference voltage to the scan electrode in the address period, and a level of the seventh voltage is substantially same as a level of the scan reference voltage. ### Claim 9 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, the scan driver is adapted to supply a sustain pulse to the scan electrode in a sustain period, and a level of the eighth voltage is substantially same as a level of a highest voltage of the sustain pulse. ### Claim 10 (depends on 1) The plasma display apparatus of claim 1, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, the scan driver is adapted to supply a second falling pulse, which falls from a ninth voltage to a tenth voltage, to the scan electrode after the third rising pulse is supplied, and is adapted to supply a scan pulse to the scan electrode in the address period, and a width of the second falling pulse is substantially same as or greater than a width of the scan pulse. ### Claim 11 A method of driving a plasma display apparatus comprising a scan electrode, a sustain electrode, a first address electrode, and a second address electrode, the plasma display apparatus being adapted to generate plasma to display an image, the method comprising: supplying a pulse to the scan electrode between a reset period and an address period; and supplying a data pulse to a first address electrode and a second address electrode at different points of time in the address period. ### Claim 12 (depends on 11) The method of claim 11, wherein the pulse is a first falling pulse falling from a first voltage to a second voltage of a negative polarity, and when the first falling pulse is supplied, a fifth voltage of a positive polarity is supplied to the sustain electrode. ### Claim 13 (depends on 11) The method of claim 11, wherein the pulse is a first falling pulse falling from a first voltage to a second voltage of a negative polarity, and after the first falling pulse is supplied, a first rising pulse, which gradually rises from a third voltage to a fourth voltage, is supplied to the scan electrode. ### Claim 14 (depends on 12) The method of claim 12, wherein after the first falling pulse is supplied, a first rising pulse, which gradually rises from a third voltage to a fourth voltage, is supplied to the scan electrode, the fifth voltage is supplied to the sustain electrode while the first falling pulse is supplied, and a sixth voltage is supplied to the sustain electrode while the first rising pulse is supplied, and a level of the fifth voltage is higher than a level of the sixth voltage. ### Claim 15 (depends on 11) The method of claim 11, wherein the pulse is a first falling pulse falling from a first voltage to a second voltage of a negative polarity, a first rising pulse, which gradually rises from a third voltage to a fourth voltage, is supplied to the scan electrode after the first falling pulse is supplied, and a scan reference voltage is supplied to the scan electrode in the address period, and a level of the third voltage is substantially same as a level of the scan reference voltage. ### Claim 16 (depends on 11) The method of claim 11, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage. ### Claim 17 (depends on 11) The method of claim 11, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, and after the third rising pulse is supplied, a second falling pulse, which falls from a ninth voltage to a tenth voltage, is supplied to the scan electrode. ### Claim 18 (depends on 11) The method of claim 11, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, a scan reference voltage is supplied to the scan electrode in the address period, and a level of the seventh voltage is substantially same as a level of the scan reference voltage. ### Claim 19 (depends on 11) The method of claim 11, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, a sustain pulse is supplied to the scan electrode in a sustain period, and a level of the eighth voltage is substantially same as a level of a highest voltage of the sustain pulse. ### Claim 20 (depends on 11) The method of claim 11, wherein the pulse is a third rising pulse rising from a seventh voltage to an eighth voltage, a second falling pulse, which falls from a ninth voltage to a tenth voltage, is supplied to the scan electrode after the third rising pulse is supplied, and a scan pulse is supplied to the scan electrode in the address period, and a width of the second falling pulse is substantially same as or greater than a width of the scan pulse.