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3812200412JOURNALOFXIANJIAOTONGUNIVERSITYVol.3812Dec.2004,,(,710049,):(ACPDP),ACPDP.ACPDP2,2.,,2.,2.,3ACPDP,.ACPDP.:;;;:TN105:A:0253-987X(2004)12-1280-04NewMethodforMeasuringtheWallChargeofACPlasmaDisplayPanelunderArbitraryDrivingWaveformLiangZhihu,LiuChunliang,LiuZujun(KeyLaboratoryforPhysicalElectronicsandDevicesoftheMinistryofEducation,XianJiaotongUniversity,Xian710049,China)Abstract:AnewmethodwasdevelopedtomeasurethewallchargeinACplasmadisplaypanel(ACPDP)underarbi2trarydrivingwaveform.Inthemethod,twogroupsofdisplayelectrodeswereselectedandtwocapacitorswereconnectedwiththesetwogroupsofdisplayelectrodesinseriesrespectively,andthusameasurementcircuitandareferencecircuitwereconstructed.Withthehelpofspecialprocessing,thedischargecantakeplaceinthecellsincludedinthemeasure2mentcircuitundernormaldrivevoltageandthedischargecannottakeplaceinthecellsincludedinthereferencecircuitundernormaldrivevoltage.Thewallchargecanbeobtainedfromthevoltagedifferencebetweenthetwocapacitors.Us2ingthemethod,thewallchargewaveformsduringresetperiod,addressperiodandsustainperiodforthethree2electrodecoplanarACPDPwereobtainedsimultaneously.Theexperimentalresultsshowthatthismethodisverysimpleandeffi2cient.Keywords:alternatingcurrentplasmadisplaypanel;gasdischarge;wallcharge;measuringmethod(ACPDP),ACPDP,ACPDP.ACPDP,ACPDP,.ACPDP,[1,2],ACPDP,,ACPDP.[3,4],,:2004-05-09.:(1976),,;(),,,.:([2002]77).©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..,,,.1,,,.1.11,2,.,,(MgO),,.22C1C2,2,,2.,2.2,G1,,G2,G1,MgO,.Id,1Ig,1G1,Id,2Ig,2G2.2C1C2VC1=1C1(Id,1+Ig,1)dtVC2=1C2(Id,2+Ig,2)dt(1)G1QW=Ig,1dt(2),C1C2..C1C2,C1=C2=C(3),G2G1,,,Id,1=Id,2(4)(1)(4),2VC=VC1-VC2=1C1(Id,1+Ig,1)dt-1C2(Id,2+Ig,2)dt=1C(Ig,1-Ig,2)dt(5),,Id,2,Ig,2,Ig,2=0(6)(6)(5)VC=1CIg,1dt(7)(2)(7)QW=Ig,1dt=CVC(8)23.3ACPDP37cm,182112,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.33,,,MgO.G1,,15.3.,,.211ACPDP,,4.4,(a)(b)4,320V,10s,.4a,.4b,.4,,,,,.212.5.100V,-120V.5,,,.5213,,,.6,-190V190V,100kHz.6:,,,;,,,.3.282138©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(b)6(a),.,.,.ACPDP,.:[1]SakitaK,TakayamaK,AwamotoK,etal.High2speedaddressdrivingwaveformanalysisusingwallvoltagetransferfunctionforthreeterminalsandvtclosecurveinthree2electrodesurface2dischargeAC-PDPs[A].Soci2etyForInformationDisplay2001InternationalSympo2sium,SanJose,CA,2001.[2]KimH,JeongJ,KangK,etal.Voltagedomainanalysisandwallvoltagemeasurementforsurface2dischargetypeAC2PDP[A].SocietyForInformationDisplay2001In2ternationalSymposium,SanJose,CA,2001.[3]WeberLF.MeasurementofwallchargeandcapacitancevariationforasinglecellinACplasmadisplaypanel[J].IEEETransElectronDevice,1976,24(7):864-869.[4]KimMS,SeoYW,KimBG.Methodformeasuringwallchargeandwallvoltageonplasmadisplaypanel[P].Korea,PCTPatent,WO01/99139.2001-12-27.()2004Ei2004Ei6,145,93%..1:////////////////////////.2://///////////////////.3:////////////////////////.4:///////////////////////.5:///////////////////////.6:////////////////////////.382112,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.