LCD行業(yè)富相科技LCD液晶顯示器驅(qū)動(dòng)系統(tǒng)

液晶顯示器驅(qū)動(dòng)系統(tǒng)

講師:課程大綱液晶物質(zhì)簡(jiǎn)介液晶的電光效應(yīng)液晶基本驅(qū)動(dòng)原理STNLCDs驅(qū)動(dòng)原理TFTLCDs驅(qū)動(dòng)原理影響TFTLCDs畫面品質(zhì)的因素DriverIC簡(jiǎn)介TFTLCDs模組及介面技術(shù)簡(jiǎn)介液晶物質(zhì)的相變化固體結(jié)晶液晶液體加熱加熱冷卻冷卻液晶分子的種類SmecticLC層狀液晶NematicLC線狀液晶CholestericLC膽固醇狀液晶液晶分子的排列CrystallineLiquidCrystallineLiquid

KSmCSmANLBiaxialUnaxialIsotropicTemperature液晶的分類液晶的電光特性異向性(Anisotropic)排列因數(shù)()折射率()黏滯係數(shù)()介電係數(shù)()電導(dǎo)係數(shù)磁化率彈性係數(shù)()液晶的光學(xué)特性O(shè)pticalPositiveOpticalNegativeHelicalAxisOpticalAxisOpticalAxis液晶驅(qū)動(dòng)原理電極電極液晶FieldOFFFieldON液晶顯示器主要優(yōu)缺點(diǎn)優(yōu)點(diǎn)低電壓驅(qū)動(dòng)。低消耗電流。體積薄，重量輕?？蓪?shí)現(xiàn)大面積化。彩色化容易。缺點(diǎn)視角限制。外加被光源或投射光源。溫度操作範(fàn)圍限制。液晶顯示器的種類液晶顯示器扭轉(zhuǎn)型(TwinstNematic,TN)1971超扭轉(zhuǎn)型(SuperTwinstNematic,STN)1984

雙層雙扭轉(zhuǎn)型(DoubleLayerSTN,DSTN)1987

光相位補(bǔ)償超扭轉(zhuǎn)型(FilmSTN,FSTN)1988

主動(dòng)驅(qū)動(dòng)超扭轉(zhuǎn)型(AASTNorMLSSTN)1992強(qiáng)介電型(FerroelectricLiquidCrystal:FLC)1980PDLC(PolymerDispersiveLC)1988PSCT(PolymerStabilizedCholestericTexture)1993OtherDS(DynamicScattering)1968PC(PhaseChange)1968GH(GuestHost)1968ECB(ElcetricalControlBirefregency)1971BTN(BistableTwistNematic)1995IPS(InPlaneSwitch)1995VA(VerticalAlignment)1996TN型

LCDs顯示原理Twist90液晶分子FieldOFFFieldON利用液晶的旋光特性調(diào)變穿透光線液晶的旋光特性消失STNLCDs顯示原理Twist270液晶分子FieldOFFFieldON利用液晶的雙折射特性調(diào)變穿透光線TN&STN電光轉(zhuǎn)移曲線

V-TCurve100%90%10%VnsSTN

VsSTNVsTNVnsTNTVTN與

STN的電壓漂移T100%VTNModeT100%VSTNModeLCDs驅(qū)動(dòng)方式直接驅(qū)動(dòng)法(DirectionAddressing)靜態(tài)驅(qū)動(dòng)法(StaticAddressing)多工驅(qū)動(dòng)法(MultiplexAddressing)主動(dòng)驅(qū)動(dòng)法(ActiveAddressing/Multi-LineSelection)主動(dòng)矩陣驅(qū)動(dòng)法(ActiveMatrixAddressing)兩端元件(MIM,Diode..)三端元件(A-Si:HTFT,Ploy-SiTFT..)PlasmaAddressing(PALC)熱掃描驅(qū)動(dòng)法(雷射掃描)光掃描驅(qū)動(dòng)法(電子速掃描LCDs靜態(tài)驅(qū)動(dòng)法LCCellXORVsVcVsigVcVsigVcVsVc-VsONOFF多工驅(qū)動(dòng)法

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N×M圖框記憶體

N×M圖框記憶體影像資訊輸入IjNXOR陣列N加法邏輯陣列N×MSTNLCDs液晶層間隙4.5um液晶材料：低黏滯係數(shù)水平驅(qū)動(dòng)函數(shù)唯讀記憶體RowFunctionROMNSTNLCDs垂直驅(qū)動(dòng)晶片TFTLCDs垂直驅(qū)動(dòng)晶片1轉(zhuǎn)2多工器2轉(zhuǎn)1解多工器Time宏Seq名uent止ial硬體架纖構(gòu)

N×M圖框記憶體

N×M圖框記憶體影像資訊輸入IjNXOR陣列N加法邏輯陣列水平驅(qū)動(dòng)函數(shù)唯讀記憶體RowFunctionROMN1轉(zhuǎn)2多工器2轉(zhuǎn)1解多工器N×M圖框緩衝記憶體N×M圖框緩衝記憶體N×MSTNLCDs液晶層間隙4.5um液晶材料：低黏滯係數(shù)STNLCDs垂直驅(qū)動(dòng)晶片TFTLCDs垂直驅(qū)動(dòng)晶片N主動(dòng)矩送陣式液薄晶顯示三器AM-L窩CDsTFT齡LC鑼Ds等效電路Row斤Dr塵ive座rsCol哭umn對(duì)Dr排ive購(gòu)rArr賴ang理eme疫nt席of躍Col斥or蹤蝶Fil趴terRGBRGBRGBRGBRGBRGBRBGRGBRBGRBGRGBRBGRBGRGBRBGRGGBRGGBRGGBRGGBRGWBRGWBRGWBRGWBStr盛ipeTri臂ang泉lePix匙el擦Str涌uct隨ure您of默TF爺TL州CDsCs叨on現(xiàn)Com世m(xù)on與Cs社on訊Gat灑e架構(gòu)液晶畫素TFTGateLineDataLineCsCs液晶畫素TFTCommonCommonGateLineDataLineCsCs

CsonCommonCsonGateTimi面ngC絲式hart脅of慕TFT黃LCDsFra疫me今Tim未eGat塌e123NTimeTFT銷LCDs滑Dri睛ving宇Met守hodCol代umn暈In夠ver五sio坊nDot額In攻ver漏sio史nRow鵝Inve莖rsio粗nFram聽eIn刻vers哲ionDire吃ctD弟rivi王ngo輔fTF猜TLC憑DsDCB乎iasofC曠ommo務(wù)nGray園Scal診eVolt斗ageV0V1V2V3V4V5V6V7V7V6V5V4V3V2V1V01Frame/1LineACM疤odul技atio枯nAd暈dres綿sing凳of期TFT套LCDsV0V1V2V3V4V5V6V7V7V6V5V4V3V2V1V0Com餡mon釘Wa唐vef驚ormGray陽(yáng)leve遠(yuǎn)lVol妹tag臣e1Fra匙me縣/1給Li搏neTFT窗LC皇Ds的電光柳效應(yīng)孔Dir趟ect藍(lán)Ad密dre季ssi智ngTFT偶LC治Ds的電光效寺應(yīng)

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