TFT-LCD驱动原理.pdf
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- 上传时间:2023-08-23
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TFT-LCD驱动原理.pdf
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ChiMeiOptoelectronicsPage2PDD1/PD2?
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pixel?
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imagesticking,imageretention?
flicker(specialtestpattern)?
polarityinversionChiMeiOptoelectronicsPage3PDD1/PD2?
(2/2)(2/2)?
TFT-LCD?
TCON?
Datadriver?
Scandriver?
DC/DC?
GAMMAChiMeiOptoelectronicsPage4PDD1/PD2?
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Twotypesoftheimageretentioncases.Theremightbeothertypeimageretentioncases.ChiMeiOptoelectronicsPage23PDD1/PD2+ACdrivingRDC+-+-Externalelectricfield+-+-InternalelectricfieldITOPIITOPIDCDC?
TheResidualDCdrivestheionsoftheLC.?
TheionsattachonthePIanddonotreleasewhenthevoltageisoff.?
Thepreviousimageappearsduetotheinternalelectricfieldestablishedbytheions.ChiMeiOptoelectronicsPage24PDD1/PD2DCDCVcomVcomVcom(CF?
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InputSignalsChiMeiOptoelectronicsPage37PDD1/PD2TFTTFT-LCDLCD?
RGBNO.1TimingControllerDisplayData18bits(6bitsX3),BpathControlSignals(CKH,POL,.)GMA1GMA14ScandriverControlSignals(CKV,STV,OE)ColorTFT-LCDPanel1280x3x1024ClcCstDisplayData18bits(6bitsX3),ApathSTH1STH2NO.4DC/DCGammavoltageNO.1NO.5NO.6NO.10ChiMeiOptoelectronicsPage38PDD1/PD2?
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DataDriver(SourceDriver)?
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scanline,?
TFT?
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datadriver?
scandriver?
ChiMeiOptoelectronicsPage46PDD1/PD2LCDPowerRequirementLCDPowerRequirement?
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5V?
others(12V/18V/2.5V)?
DataDriver?
IPS16V?
MVA13V?
TN10V?
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GammaCorrectionGammaCorrection(1/2)(1/2)?
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