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1、lcd调试总结（液晶调试总结） lcd调试总结（液晶调试总结）Thediodeinthecircuitisalsoavulnerabletype,thebacklightisnotbright,alotofcasesarebrokendiode,xx,09,10 (1)LCDmodeParallel:MCUinterface,RGBinterface,VysncinterfaceSerial:SPIinterface,MDDIinterface (2)screencolorTheessenceistheconceptof
2、colorhistogramisindexstandardofmobilephoneLCDbrightnessintensity,alsoknownasthecolorindexofcurrentmobilephonecolorindexfromlowtohighthreelevels,thelowestcolor,followedbythe256color,4096color,65536color;thehighestis8times.260thousandcolor256=2,8bitcolor,inordertopush
3、16squarelaw,65536color=2,16bittruecolorthatistosay,18times260thousand=2,whichisactually18bittruecolor65536colorhasbeenbasicallysatisfiedthedemandrecognitionofoureyes (3)resolutionTheCRTresolutionandLCDdisplaydifferent,generallycannotbeadjusted,itissetbythemanufactu
4、rerandtheprovisionsoftheresolutionreferstothescreenofeachlinehowmanypixels,eachcolumnnumberofpixelsonthemobilephoneLCDresolutionis176*220QCIFdisplaymodeand240*320QVGAdisplaymodel (4)refreshrateLCDrefreshratereferstothedisplayframerate,i.e.ascreenframerefreshtimereq
5、uired,andthescanningspeedandtheabilitytoavoidscreenscreenflickerthatrefreshrateistoolow,canmakeLEDdisplayscreenimagecanappeartoflickerorjitter (5)visualangleFromdifferentdirectionstoobserveaclearperspectiveofallcontentonthescreen,andtheLCDisDSTNorTFThaveagreatrelat
6、ionshipbecausetheformerisbyscanningthescreenonbothsidesofthelightemittingtransistor,whichisonthebackofeachpixellightemittingtransistoritself,thecontrastandbrightnessdifference,determinestheirperspectiveonascreendifferentDSTNLCDgenerallyonly60degrees,160degrees,TFT-L
7、CD (6)responsetimeTheresponsetimeofthesmallerthebetter,itreflectstheliquidcrystaldisplayofeachpixelpointoftheinputsignalresponsespeed,whichispixelfromdarktobrightordarklightswitchbythespeedofresponsetimeisless,theuseratthemotionpicturedoesnotappeartodropshadowtailw
8、illfeelthegeneralreactionrateisdividedintotwoparts:RisingandFalling,andsaidtothesumofthetwoprevail2.interfaceform: (1)parallelmodeAandMCU
