LCM測(cè)試信號(hào)系統(tǒng)簡(jiǎn)介

LCM測(cè)試信號(hào)系統(tǒng)簡(jiǎn)介第一頁，共24頁。TestingFollowonLCMOLBCKenPCBPCBIOQCDispenserAssemblyAAFCAgingDKenPacking出貨第二頁，共24頁。Whatistheoutline@OLBprocessLCDPanelLCDPanelDualEdgeSingleEdge第三頁，共24頁。外部信號(hào)ControlBoardWhatistheOutline@PCBprocess第四頁，共24頁。StructureofTFT-LCD偏光板TFT框膠TABDriverLSI擴(kuò)散板Spacer分光片反射板側(cè)光偏光板畫素電極儲(chǔ)存電容液晶配向膜共通電極overcoatColorfilterBlackmatrix玻璃基板Printedcircuitboard菱鏡板第五頁，共24頁。Whatispurposespecialtestpattern第六頁，共24頁。WhatisSpecificationoftheProductionName:Type:Power:SignalType:Resolution:Area:CellType:14.1“,15”,17“,17.4”,18“5v,3.3v,12vLVDS,TTL,DVI,D_subSVGA,XGA,SXGA,SXGA+,UXGA800x600,1024x768,1280x1024,1400x1050,1600x1200….MVA,TNModule,Monitorset第七頁，共24頁。WhatpurposeisonthetestingStationPCBI:ChecksomedefectlikePCBAFunction…AfterOLB&PCBbondingprocess.AAFC:AfterAssemblyFunctionCheckwhichchecksomedefectsafterassemblyandadjustflickerontheLCMAging:Providehightemper50°C4hrs,UsingtheconditiontotestthereliabilityonthePanel.Cken:FinalCheckandjudgetheGradeonthepaneltheyarebaseonPCBasePatternGenerator…….第八頁，共24頁。PCBasePatternGeneratorBaseOnPersonalComputerGeneralLowCostPatternEditandProgramiseasy優(yōu)點(diǎn)第九頁，共24頁。FunctionBlockofthePCBaseP/GPCControlPanelDisplayCard待測(cè)Panel’sDisplayCardA/DD/ACardControlTerminal待測(cè)TerminalPowerBoardPanellink2LVDS第十頁，共24頁。PanellinktoLVDS

FunctionBlockEDIDTMDSReceiveLVDSTransmitterTTLTMDSLVDSSDASCK第十一頁，共24頁。DataCommunicationsTypeTTL(TransistorTransistorLogic)LVDS(LowVoltageDifferentialSignal)TMDS(TransitionMinimizedDifferentialsignal)第十二頁，共24頁。WhatisTMDS?TransitionMinimizedDifferentialSignalintroduction

1.TMDSlinkisusedtosendgraphicdatatoomonitor.2.Use3differentialdatapairswithtimingandcontroldataembeddedindatatransmission

3.Uselow-swingdifferentialvoltage

第十三頁，共24頁。TMDSLogicalArchitectureCompressRate:10Times.CompressMethod:

Tx0:R[0:7],Hsync,VsyncTx1:G[7:0],CTL1,PLL_syncTx2:B[7:0],CTL2,3第十四頁，共24頁。AlloftheSchemeonTMDSField第十五頁，共24頁。WhatisLVDS?ThefeatureofLVDS

1.DifferentialFanout2.LowSwingGoodForDesign1.LongCommutationDistance2.Goodnoisedefense3.LowPowerconsumption第十六頁，共24頁。DataCommunicationsofLVDSCompressType

CompressRate:7timesitisbe…..

TX0:R0~R5,G0TX1:G1~G5,B0,B1TX2:B2~B5,H_snyc,V_snyc,DE…….as6bitdatatransmitter

TX0:R0~R5,G0

TX1:G1~G5,B0,B1TX2:B2~B5,H_snyc,V_snyc,DETX3:R6,R7,G6,G7,B6,B7,X…….as8bitdatatransmitter第十七頁，共24頁。WhatisEDID?

ExtendDisplayIdentificationDataStandard

Purpose

ItisbuildonVESAstandardtodefinetheDisplayfiled.TheOriginalEDIDStructuredefinitionfromDDCStandard.DataformatVendor/ProductIdentification/EDIDVersion/BasicDisplayParameters/Features/Established/StandardTiming/DetailTiming/ExtensionFlag/ChecksumDataCommunicationMethod

DisplaycardgetDatafordisplayingbySM_BusprotocolWhatisimproveontheLCMTestingDept.

第十八頁，共24頁。TimingListonVESA第十九頁，共24頁。Resolution&RefreshRatefH(水平更新頻率):重複顯示一條線Line的頻率fV(垂直更新頻率)orFramerate:重複顯示一畫面的頻率Dotclock:重複顯示一點(diǎn)的頻率第二十頁，共24頁。TheStructureofDisplayH_ActiveV_ActiveAddressAreaBorderFrontPorchSync.WidthBackPorchBorder第二十一頁，共24頁。HowtoCalculatetheDo