LCD增亮膜专利技术分析

LCD王凤岐(,071054):讨论了LCD显示面板用增亮膜的主要供应商和技术背景等行业现状,使用专业的专利分析软件对相关的专利进行了检索和分析,包括专利申请的时间分析,申请专利的国家分析和主要的技术特征分析对一些重要的中国专利进行了较认真的研究,并提出了专利的主要技术细节及特征文章末尾给出了一些初步的分析结论:增亮膜;专利分析;LCD;中国专利:TQ31:A:10095624(2010)02004712:20091208:(1950),,,,1引言,2011,3311%,,6%201129[1]3M,KodakReflexiteLGSLGEMitsubishiRayon,()3M,80%3M,3M20092011,3M200750%,3M,40%,30%2增亮膜技术3~53M(BEF)(DBEF),,,,BEFRP90/24(1),,,(MultiFunctionOpticalFilm)DBEF,BEF,DBEF,BEF,(1)4713MDBEFBEFFig1NewopticalfilmcombinedfunctionofBEFandDBEFby3M:2:(BEF:BrightnessEnhancementFilm)(DBEF:DualBrightnessEnhanceFilm)(BEF)3M,20m(BEF),,,(DualBrightnessEnhancementFilm;DBEF),PS,PSSP,,,(BEF),DBEF,,(DBEF),LCDTV[1]3专利检索与分析!!!∀PatentEX#,311(:,)1Table1PatentretrievingconditionandresultCNUSEP+270027∀brightnessenhancementfilm?#030434∀prismfilm?#0404∀prismaticfilm?#0808DBEF+BEF013114275558732223,2004~2005,2005,27200513,2004~2005220,3/4,,,,1991,1997,6,,2Table2retrievedpatentslist13mPreventionofgroovetipdeformationinbrightnessenhancementfilmUS562680019952323mCN1216114199722833mPlanarpolarizerforLCDprojectorsUS59401491997121143mReflectivepolarizerdisplayUS5828488199531053mBrightnessenhancementfilmUS6111696199722863mMultilayerpolymerfilmwithadditionalcoatingsorlayersUS6368699199781373mBrightnessenhancementfilmUS6760157200072583mHollowsurfaceilluminatorUS68098922003664893mCN19540022004128103mCN19022462004129113mCN1011202692006215123mBRIGHTNESSENHANCEMENTFILMCOMPRISINGPOLYMERIZEDORGANICPHASEHAVINGLOWGLASSTRANSITIONTEMPERATUREEP18490282006215133mCN10118954620066114LGCN1769964200553115CN170733020046416CN184498620054817CN101189539200632918BrightnessenhancementfilmusingalineararrangementoflightconcentratorsUS716001720046319MethodformanufacturingbrightnessenhancementfilmofliquidcrystaldisplayandstructurethereofUS7132064200412020CN17607252004101221CN1786791200412922CN181532620052623SAICEnhancedXrayconverterscreenforXrayradioscopicsystemsUS617822419991524SAICDesignandmanufacturingapproachtotheimplementationofamicrolensarraybasedscintillationconversionscreenUS63891052000121825SAICDesignandmanufacturingapproachtotheimplementationofamicrolensarraybasedscintillationconversionscreenUS673710320024926LightsourcewithcascadingdyesandBEFUS680664220019427LiquidcrystalflatpaneldisplaywithenhancedbacklightbrightnessandspeciallyselectedlightsourcesUS6243068199852928LiquidcrystalflatpaneldisplaywithenhancedbacklightbrightnessandspeciallyselectedlightsourcesUS644895520006829LiquidcrystalflatpaneldisplaywithenhancedbacklightbrightnessandspeciallyselectedlightsourcesUS6657607200131930BacklightingforliquidcrystaldisplaysUS527260119919631CN192865720059532LiquidcrystaldisplaywideviewinganglepolarizingfilmandliquidcrystaldisplaywideviewinganglepolarizingadhesivefilmUS6888592200211433OpticalfilmandaliquidcrystaldisplayusingthesameUS690378820027334Opticalfilm,andlightingdeviceandimageviewingdisplayusingthesameUS6888599200332535CN1967342200511164936CN1504804200212337CN19829182005121638(RGB)LEDLCDCN1693962200552039LEDLCDCN1693968200552340CN14906492002101641/CN1912659200581042/CN1837866200532143BrightnessenhancementfilmUS6277471199961844UniformcurvedsurfacestructureofabrightnessunitforabrightnessenhancementfilmUS675911320035645ResemblingprismaticstructureoflightguideplateUS713477820048246BacklightmoduleandbrightnessenhancementfilmthereofUS7290919200642147SpontaneousalignmentmethodformanufacturingcholestericreflectivepolarizerUS6721030200291048BacklightmoduleforliquidcrystaldisplayEP184319320064749CN17204692003112050CN10105290320059751BRIGHTNESSENHANCEMENTFILM,ANDMETHODSOFMAKINGANDUSINGTHESAMEEP179221220059752CN189225920057753BrightnessenhancementfilmforbacklitimagedisplaysUS7286280200531654BrightnessEnhancementFilmforBacklitImageDisplaysEP1743210200542555BrightnessenhancementfilmhavingareinforcingstructureUS7269327200571956BrightnessenhancementfilmhavingalightguidingstructureUS7269328200592057CN1595252200462158CN16013472004102559CN16580472005482Fig2PatentsapplicationtrendofbrightenhancementfilmbyUS,EuropeandChina3Fig3Chinapatentsapplicationtrendofthebrightnessenhancementfilm50274(4)3M(5),,()2(1)(DBEF)(BEF);(2);(3)(DBEF);(4)(BEF)4Fig4TechnicalclassificationofChinapatentsofBrightnessenhancementfilm5Fig5CompanyandtechnicalfeaturesofbrightnessenhancementfilmpatentsfiledinChina4增亮膜专利技术分析41BEFDBEF,2,,,,,,,BEF/DBEF3M,3M∃B∃;∃T∃;∃A∃[2],,60%~70%,RDX51027,2(1)((2,64,1)(23,1,PEA()20%~25%;PETA()10%~15%;(SS)16,(XS)25PET,,:,,,,PETPETUV,,PET(67)7,121;120;116;118;111;112;114;1105163MFig6Filmcombinationtechnologyby3MInnovativePropertiesCompany73MFig7Sketchofdisplayunitby3MInnovativePropertiesCompany7,114112∃L∃;∃U∃(3M)[3]CN101120269(2006800052601)2,4,670%3MR∃C∃[4]PET,3MDBEF:,CognisPhotomer6210SartomerCN966J75,35%,,:Photomer621014951955CN966J7514921992;;[5](CN18449862005100632869)(QEM2108,22(4(11)));MPSMA(4'4()));624100();,PET,151642BEFDBEF60%,,2,DBEF44%,44%46%,40%~41%,,,,[6],,,,,,/,,CN1928657,,,,,1,16[7][8]TAC52,,,;2,,CN1815326(2005100072636)[9],2,AC2,A43(DBEF)DBEF,3M,,,CN1786791(2004100984007)[10],(CholestericLiquidCrystalbasedBrightnessEnhancementF