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1、英文原文TypesofLCDProducts-GlassorModulesThemostfundamentaldecisiontomakeiswhetherthedisplaywillhavethedrivecircuitryattached(module),ornot(glassonly).Thereareadvantagesanddisadvantagestoeachapproach.WhenpurchasingaCustomLCDModule,thebasicelectronicdesignworkwillbedonebythemanufacturer.Thisobvious
2、lysavesdesigntimeandreducesthemanpowerneededtobringaproducttomarket.Youcanbenefitfromtheexperiencewehavegainedduringourpreviousdesignstoshortenthedesigncycleanddeliveranoptimizedproduct.Themajordecisionsyouneedtomakearetheinterfacetype,withstandardserialorparallelinterfacesbeingthemostcommon,a
3、ndthetypeofintegratedbacklightingdesired.Thetemperaturerange,viewingangle,viewingmode,andcontrastwillneedtobeconsidered,butthosedecisionsarecommontobothapproaches.Aglassonlydesignputsthedesignburdenontheenduser.YouwillneedtolearnagreatdealaboutLCD'sinordertocompleteyourdesign.Luckily,ourwebsit
4、eprovidesApplicationInformationandWebLinkstoassistyouinthesearchfortheinformationyoumayneed.ThemainreasonstobuyjusttheLCDglassaretoreducecosts,andprovidedesignflexibility.Thetotalcostofthecomponentsnecessarytobuildthedrivecircuitryistypicallylessthanthecostofapre-builtmodule,andaslongasyouhave
5、spaceonyourexistingPCboard,youwon'thavetopayforanextraPCboardonwhichtomountthedisplay,andhaveaccesstocosteffectiveassemblyandtest.Bydoingalittlehomework,yourdesignwillworkjustaswellasamodule,andwillallowtheflexibilitymostdesignersneedtoadapttheirdesigntoeverchangingdemands.TypesofLCDImagesTheL
6、CDcancontaincharactericons,segments,graphicdotarrays,oranycombination.Icons:BymakingacustomLCD,youcanplaceimagesontheglassthatspecificallycomplementyourproduce,thesearecalled"Icons".ThesesilhouettescantaketheshapeofanyimageyoumayneedandcountasonepixelordotontheLCD.Segments:SegmentsonanLCDdispl
7、aymakeupalargercharacter,suchasasegmentinasevensegmentnumericcharacter(displays0-9),orasegmentina14segmentalpha-numericcharacter(displays0-9&A-Z).DotArrays:Thesedotarrayscanbemadeinalmostanysizeanddotcount.Exampleswouldbecharacterdispla
