薄膜晶体管液晶显示器用偏光片技术研究进展

:2007-08-07.:(2005B50101005).文尚胜1,莫文贞2,文斐2,彭俊彪1(1.;2.,510641):偏光片是薄膜晶体管液晶显示器(TFTLCD)中重要的关键零组件简单介绍了偏光片的工作原理和原材料特性,叙述了偏光片生产中的关键技术,例如染色技术延伸技术胶合技术等的研究进展和市场概况,并对偏光片技术的发展趋势进行了展望:;TFTLCD;;;:TN141:A:1001-5868(2007)06-0751-06ResearchProgressinPolarizingFilmforTFTLCDWENShangsheng1,MOWenzhen2,WENFei2,PENGJunbiao1(1.SchoolofMaterialsScienceandEngineering;2.SchoolofElectronicandInformationEngineering,SouthChinaUniversityofTechnology,Guangzhou510640,CHN)Abstract:ThepolarizingfilmsisthekeymaterialsforTFTLCD.Thepropertiesofmaterialsandtheworkprincipleofpolarizingfilmareillustratedbriefly.Theresearchandmarketofpolarizingfilmskeytechnologies,suchasdyeing,extend,paste,etc,areanalyzed.Thefutureprogressofpolarizertechnologyisalsopresented.Keywords:polarizingfilm;TFTLCD;dichroic;polyvinylalcohol;triacetylcellulose1(LCD),(Polaroid)H.Lard2030[1],,LCD,,[2],,TFTLCD,TFTLCD,TFTLCD,,,,22.1(),,,,(),,;,,!751!∀#200712286文尚胜等:薄膜晶体管液晶显示器用偏光片技术研究进展,[3]1,,,LCD2.2LCDH[1](PVA),(),,(TAC),,,,,,,TNSTNLCD,,,,,,,,/,(AG)(AR)2[3],,,22.3:()LCD,(T)(P)TPLCD,,(T)(),,100%T/P(T=50%,P=100%)T/P,(),LCD,,,,,,TN95%,43%;STN99%,42%;TFT,,,,TFT99.9%,43%[3],,LCD!752!SEMICONDUCTOROPTOELECTRONICSVol.28No.6Dec.2007PVA,,,,[3],,500g/25mm,,[3],500mm∃1000mm,15150m[4]33.1PVA,-OH(polyvinylalcohol,PVA),,2600,3500~5000,,98%~100%[5],,,,,,,,PVA,PVA,Kuraray3.2TAC(triacetylcellulose,TAC),,,,,1,4-,,,[5]TAC,TACFujifilmKonicaMinolta,78%,22%[6]TAC,,,,Zeon%Zeonor&%Escena&,,,[7]3.3PAS(pressuresensitiveadhensive,PSA),,,,,,[8,9]3,[10],,,,,,,LG,,,!753!∀#200712286文尚胜等:薄膜晶体管液晶显示器用偏光片技术研究进展,,,44.1:,(),,,,PVA3~6,,,,,TAC,TAC,TAC,,3[4]3,,4.24.2.1碘染色法,PVA,,2030Land[1],PVAI3-I5-PVA,[11],T/P,()PVA,(),,,99.9%42%,,,80∋∃500HR60∋∃90%RH∃500HR[3],,,,,,LCD4.2.2染料染色法(),105∋∃500HR90∋∃95%RH∃500HR,90%;40%,[3]LCD,,,,,,,,,,:(1);(2),;(3);(4),,,[5]LCD,!754!SEMICONDUCTOROPTOELECTRONICSVol.28No.6Dec.2007,100∋90%RH,,,,H2O2,(HEC)(PVA),,,BCoNi,4.3,3~5,,,,,,;,,,,,20∋[4]PVA,4.3.1干法技术,PVAPVA,,4.3.2湿法技术,PVAPVA,,PVA,2090,,TFTLCD,1330mm[3]4.4,,,,,,(TAC)(CAB)(polypropylene)(urethane),TACCAB,,,5,,TFTLCD,,,TN19995,,2000TFT,LG20003TFTLCD,TFT,DisplayBank,TFT34,20%,,40,200851[12],6,4,1LCD,35%,20%,LG13%,8~9%,CMELSkypolarDaxonACEDigitech2006!755!∀#200712286文尚胜等:薄膜晶体管液晶显示器用偏光片技术研究进展[13](),()[14],,TNLCD,TFT[14],LPLSamsungLGChemicalAceDigitech,,[15],,LCDTV,,,[16]Displaysearch,2005(10)TFTLCD2.19,(2004)58%,TFTLCD(LCDTV),2005134%2006LCDTV,LCDTV,TFTLCD,()[17]6,,,200m,,,,,,Optiva,,LCD,,,:[1].[M].:,2000.[2].[J].,2003,32(6):7879.[3].LCD[J].,52(6):5861.[4],,.[J].,2004,19(4):259265.[5].[J].,1993,21(7):18.[6]FPDisplay.TAC[J].,2006,21(6):45.[7].(LCD)(TAC)[J].,2005,(34):1518.[8],,,.[J].,2005,6(2):1317.[9],,,.[J].,2005,6(4):36.[10]ChangSukKy,HwangInSeok,HanInCheon.Acrylicadhesivecompositionsforpolarizingfilmandthepolarizerfilmusingthesame[P].US:20030054166.20030328.[11],.[M].:,2003.[12].2006[J].,2006,17(2):3032.[13].TFTLCD[J].,2006,22(7):1822.[14].TFTLCD[J].,2005,26(2):114118.[15].TFTLCD[J].,2006,26(11):4649.[16]FPDisplay.[J].,2006,19(4):58.[17].TFTLCD[J].,2006,23(8):1418.:(1964-),男,湖北武穴市人,博士,副教授,主要从事光电材料与器件的研究Email:[e-mail]!756!SEMICONDUCTOROPTOELECTRONICSVol.28No.6Dec.2007