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1、LCD显示屏问题集锦LCDscreenproblemcollectionWhydoestheLCDturnyellowandred?LCDUSESacertainperiod,especiallybrightnesstotaladjusttothebiggest,thescreenitselfandthelamptubeageingwillbeyellow・Whencoldisturnedon,thescreenisredmainlybecauseoftheageingofthelamptubeandchangingthelamp.Whatdoesthescreenlinedo?Therear
2、etworowsofnotebookcomputer,akindoffromthescreentodisplaypartoftheline,acontrolcircuitfromthescreentoTFTpanelline,thesetwolinesaretoplaytheroleofatransmissiondisplaycontent,thedifferenceisthatfromthescreentodisplaypartoftheribboncableistransmittedsignalsoftheentirescreendisplay,thesesignalsattheendof
3、thecontrolcircuitisdividedintoeachpixelinthetoTFTpaneltodisplaycontent・Ifthereisaproblemwiththelineinanyoftheseplaces,thedisplaywillbeabnorma1.Whyisalaptopscreenthatdoesn,tlooklikeadesktop?IfyoureferstothecomparisonoftheLCD,thencomparebothcongenitalconditionsyouwillunderstand,thelaptopscreenneedtosa
4、veelectricity,lightandreducethethicknessoflaptopscreenssomostonlyalighttube,thestructureiscompact,anddesktopLCDmonitorisnotboundbyelectricity,attherequestofthelightandreducethethicknessthanalaptopscreenmuchlooser,thereforethedesktopLCDcanusemorelighttubeandtheinternalstructureisloosecanputmorereflec
5、tortoimprovecontrastandcolorsaturation,theyareindifferentduetothestartingpoint,sothelaptopscreencolorthandesktopLCDisnorma1.Ifyou'retalkingaboutthecomparisonbetweenLCDanddesktopCRTdisplays,that'snottomention,hehe・・・CongenitalLCDdisplaycoloristhanaCRTdisplay,withLCDdisplay,infact,onmostPCcanonlydispl
6、ay18bitcolordepth,24bitismostlybyjitter,32bitbasicallydon,thavetodependon,isthisgapislarge・Whyisthescreenflashing?Whenthebrightnessisreducedtoacertainextent,manylaptopsappeartohavescreensflashing,especiallywhenWindows2000shutsdown.SomegraphicsCARDS(suchastheATIMobilityRadeon77,500or9000)willautomati
7、callyreducetherefreshrateandcausethescreentoblinkwhenthepowerisactivated.Ofcourse,itmaybethatthescreen,sownlamptubescauseproblems,butthisisrare・DoyouneedtoattachaprotectivefilmtotheLCD?Wedonotrecommen