廣視角技術(shù)介紹-課件

廣視角相關(guān)技術(shù)介紹廣視角相關(guān)技術(shù)介紹LCD應(yīng)用產(chǎn)品的現(xiàn)況與未來CellularPhones1.4~2.5吋STN/TFT反射型Navigator5.8~10吋高耐久性TFT/LTPSOfficeFamilyMobileLCDTV15~30吋TFT高解析度HDTV廣視角、高亮度高反應(yīng)時間高對比、色純度高PDA3~10吋反射型STN/TFT輕、低耗電量NotebookPC12.1“(SVGA)、13.3”(XGA)、

14.1”(XGA~SXGA)、15”(XGA~SXGA+)STN/TFT/LTPS薄型、重量輕、低耗電量LCDMonitor15“(XGA~SXGA)、17.1”(SXGA)18.1”(SXGA~UXGA)、20”(UXGA)TFT/LTPS薄型、重量輕、低耗電量DSC1.8~2.5吋TFT/LTPS低耗電量PortableGame1.5~4吋反射型STN/TFT重量輕、低耗電量MiniNB10.4”(SVGA~XGA)11.3”(SVGA~XGA)TFT/LTPS輕薄、低耗電量LCDMonitor15”(XGA~SXGA)18”(XGA~UXGA)TFT大畫面高解析度eBook6”~10”(XGA)輕薄、低耗電STN/TFT/plasticInternetLCD應(yīng)用產(chǎn)品的現(xiàn)況與未來CellularPhonesNaLCD之技術(shù)趨勢--反應(yīng)時間與對比50ms25ms15msTN模式1995199820012003IPS模式50ms25ms10ms影響反應(yīng)時間的關(guān)鍵液晶低黏度化，以及高極性液晶材料的開發(fā)中間色調(diào)的反應(yīng)時間與黑白顯示之間的反應(yīng)速度差距驅(qū)動主動矩陣時的等價液晶容量大小提升對比以前是200:1(IPS)，現(xiàn)在已經(jīng)提高至350:1(Super-IPS)以前MVA是300:1，現(xiàn)在已經(jīng)提高至400:1，是因為降低漏光而使其提高視角-60-40-200204060350300200100500LCD之技術(shù)趨勢--反應(yīng)時間與對比50ms25ms15msTViewingAngleViewingAngleWideViewingAngleTechnologyNegativecompensatedfilmmode (Fujifilm)In-PlaneSwitching(IPS)mode (Hitachi,Matsushita,Mitsubishi)Multi-DomainVerticalAlignment(MVA)mode(Fujitsu)OCB(OpticallyCompensatedBend)mode

WideViewingAngleTechnologyNLCD之技術(shù)趨勢--廣視角技術(shù)來源Hitachi：IPS(1995)Super-IPS(1999)Fujitsu：MVA(1995)Hyundai：FFS(1998)Samsung：PVA(1998)LG-Philips：UVA(1998)NEC：SFT(IPS)Sharp：ASV(TN+薄膜)註：IPS（In-PlaneSwitching）；MVA（Multi-domainVerticalAlignment）

FFS（FringeFieldSwitching）配向分割無分割2分割4分割廣視角/高畫質(zhì)TNTN+薄膜VA+薄膜TN+薄膜VA+薄膜VA+薄膜PVA+薄膜「HA/TN」+薄膜Super-IPSIPSFFS資料來源：NikkeiMicrodevicesLCD之技術(shù)趨勢--廣視角技術(shù)來源註：IPS（In-PlaTN+Film(TN+視角擴(kuò)大膜)

TN+Film(TN+視角擴(kuò)大膜)ASV(AdvancedSuper-V:Sharp)PixelUVareawithlowpre-tileNon-UVareawithhighpre-tile20%80%*Viewingangle:160 *Responsetime:15ms*Contrastratio:350:1ASV(AdvancedSuper-V:Sharp)PIPS(In-PlaneSwitchingorSuper-TFT)

當(dāng)施加電壓，液晶分子的配向方向平行於玻璃基版

IPS(In-PlaneSwitchingorSupIPS(in-planeswitching)ElectrodePolarizerLCPolarizerOFFON

IPS(in-planeswitching)ElectroSuperIPS(Hitachi)OnSuperIPSIPSNTSC：50→60upContrastratio:200→350Viewingangle(35:1):110.150→160.160Responsetime:40→30msSuperIPS(Hitachi)OnSBasicConceptofIPSandMVABasicConceptofIPSandMVAMVA(Multi-DomainVerticalAlignment,畫素分割垂直配向)

液晶分子在靜態(tài)時並不是真的垂直配向。當(dāng)施加電壓時，液晶分子變成接近水平配向MVA(Multi-DomainVerticalAligMulti-DomainVerticalAlignment(MVA;FujitsuLtd.)Multi-DomainVerticalAlignmenStructureofMVA-LCDStructureofMVA-LCD2-DomainMVA-LCD2-DomainMVA-LCD4-DomainProtrusionpatternofMVA-LCD4-DomainProtrusionpatternofDisplaycharacteristicsofMVAcellsDisplaycharacteristicsofMVAUndesirabledisclinationinthepixelUndesirabledisclinationinthNewprotrusionwingstoremovedisclinationNewprotrusionwingstoremoveProtrusionwithoutandwithwingProtrusionwithoutandwithwiCombinationofprotrusionsandslitCombinationofprotrusionsandTransmittanceV.S.SlitwidthTransmittanceV.S.SlitwidthOffstateofMVAmodeOffstateofMVAmodeViewingAngleofMVA-LCDsViewingAngle