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1、英文原文TypesofLCDProducts-GlassorModulesThemostfundamentaldecisiontomakeiswhetherthedisplaywillhavethedrivecircuitryattached(module),ornot(glassonly).Thereareadvantagesanddisadvantagestoeachapproach.WhenpurchasingaCustomLCDModule,thebasicelectronicdesignworkwil
2、lbedonebythemanufacturer.Thisobviouslysavesdesigntimeandreducesthemanpowerneededtobringaproducttomarket.Youcanbenefitfromtheexperiencewehavegainedduringourpreviousdesignstoshortenthedesigncycleanddeliveranoptimizedproduct.Themajordecisionsyouneedtomakearethe
3、interfacetype,withstandardserialorparallelinterfacesbeingthemostcommon,andthetypeofintegratedbacklightingdesired.Thetemperaturerange,viewingangle,viewingmode,andcontrastwillneedtobeconsidered,butthosedecisionsarecommontobothapproaches.Aglassonlydesignputsthe
4、designburdenontheenduser.YouwillneedtolearnagreatdealaboutLCD'sinordertocompleteyourdesign.Luckily,ourwebsiteprovidesApplicationInformationandWebLinkstoassistyouinthesearchfortheinformationyoumayneed.ThemainreasonstobuyjusttheLCDglassaretoreducecosts,andprov
5、idedesignflexibility.Thetotalcostofthecomponentsnecessarytobuildthedrivecircuitryistypicallylessthanthecostofapre-builtmodule,andaslongasyouhavespaceonyourexistingPCboard,youwon'thavetopayforanextraPCboardonwhichtomountthedisplay,andhaveaccesstocosteffective
6、assemblyandtest.Bydoingalittlehomework,yourdesignwillworkjustaswellasamodule,andwillallowtheflexibilitymostdesignersneedtoadapttheirdesigntoeverchangingdemands.TypesofLCDImagesTheLCDcancontaincharactericons,segments,graphicdotarrays,oranycombination.Icons:By
7、makingacustomLCD,youcanplaceimagesontheglassthatspecificallycomplementyourproduce,thesearecalled"Icons".ThesesilhouettescantaketheshapeofanyimageyoumayneedandcountasonepixelordotontheLCD.Segments:SegmentsonanLCDdisplaymakeupalargercharacter,suchasasegmentina
8、sevensegmentnumericcharacter(displays0-9),orasegmentina14segmentalpha-numericcharacter(displays0-9&A-Z).DotArrays:Thesedotarrayscanbemadeinalmostanysizeanddotcount.Exampleswouldbecharacterdispla
