资源描述：
《液晶原理及其光电特性（liquid crystal principle and its photoelectric characteristics）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、液晶原理及其光电特性（Liquidcrystalprincipleanditsphotoelectriccharacteristics）Liquidcrystalprincipleanditsphotoelectriccharacteristics,.Txt"love"isaverytoughword.Theupperhalfofitistakenfrom"abnormal",andthelowerhalfistakenfromthe"abnormal"state".Liquidcrystalprincipleanditsphotoelectriccharacteri
2、sticsLiquidcrystaldisplayreferstoallmadeoutoftheuseofliquidcrystaldisplayandliquidcrystaldisplay.Todayofthisname,mostlyreferstotheuseofthenotebookcomputer,ordesktopcomputerapplications.Thedisplayisathinfilmtransistorliquidcrystaldisplay.EnglishtransistorliquidcrystalnameThin-filmdisplay
3、,referredtoasTFTLCD.fromtheEnglishnameintheuswecanknowthatthedisplaydevicehastwomainfeatures,athinfilmtransistor,theotheristheLCDitself.WefirsttalkabouttheLCDitself.Classificationofliquidcrystals(liquid,crystal,LC)Wegenerallythinkthatsubstanceslikewaterhasthreestates,whicharesolidandliq
4、uidwithgas.Infact,thethreestateofmatterisforwater,fordifferentsubstances,theremaybeotherdifferentstates.Wewanttotalkaboutthestateofliquidcrystal,isastatebetweensolidwithaliquidbetween.Infact,thisisonlyaprocessofmaterialphasechange,aslongasthematerialwiththeaboveprocess,namelyinsolidandl
5、iquidbetweenthestateandthephysicistcalledliquidcrystal.Forthefirsttimefoundthattheliquidcrystal,datingbackmorethanmorethan100years.Intheyear1888,wasfoundbyAustriabotanistFriedrichReinitzer,heobservedinseparationofbenzoicacidcholesterolrefinedfromplants(cholesterylbenzoate)foundthattheme
6、ltingbehavior,thiscompoundisheatedto145.5DEGC,thesolidswillbemelting,showingabetweenthesolidandliquidphasesofsemimoltenflowlikeliquid.Inthissituationwillalwaysmaintainthetemperatureto178.5DEGC,beforetheformationofclearisotropicliquid(isotropicliquid).1889,theresearchofphasetransferandth
7、ermodynamicequilibriumoftheGermanphysicistO.Lehmann,thiscompoundtodomoredetailedanalysis.Hefoundundermicroscopethissemiviscousbirefringence,mobilitywhitishliquidcompoundshaveanisotropiccrystalspecificrate(birefringence)ofopticalNature,namelyopticalanisotropy(opticalanisotropic)
