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1、英文原文TypesofLCDProducts-GlassorModulesThemostfundamentaldecisiontomakeiswhetherthedisplaywillhavethedrivecircuitryattached(module),ornot(glassonly).Thereareadvantagesanddisadvantagestoeachapproach.WhenpurchasingaCustomLCDModule,thebasicelectronicdesignworkwillb
2、edonebythemanufacturer.Thisobviouslysavesdesigntimeandreducesthemanpowerneededtobringaproducttomarket.Youcanbenefitfromtheexperiencewehavegainedduringourpreviousdesignstoshortenthedesigncycleanddeliveranoptimizedproduct.Themajordecisionsyouneedtomakearetheinte
3、rfacetype,withstandardserialorparallelinterfacesbeingthemostcommon,andthetypeofintegratedbacklightingdesired.Thetemperaturerange,viewingangle,viewingmode,andcontrastwillneedtobeconsidered,butthosedecisionsarecommontobothapproaches.Aglassonlydesignputsthedesign
4、burdenontheenduser.YouwillneedtolearnagreatdealaboutLCD'sinordertocompleteyourdesign.Luckily,ourwebsiteprovidesApplicationInformationandWebLinkstoassistyouinthesearchfortheinformationyoumayneed.ThemainreasonstobuyjusttheLCDglassaretoreducecosts,andprovidedesig
5、nflexibility.Thetotalcostofthecomponentsnecessarytobuildthedrivecircuitryistypicallylessthanthecostofapre-builtmodule,andaslongasyouhavespaceonyourexistingPCboard,youwon'thavetopayforanextraPCboardonwhichtomountthedisplay,andhaveaccesstocosteffectiveassemblyan
6、dtest.Bydoingalittlehomework,yourdesignwillworkjustaswellasamodule,andwillallowtheflexibilitymostdesignersneedtoadapttheirdesigntoeverchangingdemands.TypesofLCDImagesTheLCDcancontaincharactericons,segments,graphicdotarrays,oranycombination.Icons:Bymakingacusto
7、mLCD,youcanplaceimagesontheglassthatspecificallycomplementyourproduce,thesearecalled"Icons".ThesesilhouettescantaketheshapeofanyimageyoumayneedandcountasonepixelordotontheLCD.Segments:SegmentsonanLCDdisplaymakeupalargercharacter,suchasasegmentinasevensegmentnu
8、mericcharacter(displays0-9),orasegmentina14segmentalpha-numericcharacter(displays0-9&A-Z).DotArrays:Thesedotarrayscanbemadeinalmostanysizeanddotcount.Exampleswouldbecharacterdispla
