TFT-LCD iswitsha inwebu
TFT-LCD iswitsha inwebu
Iimbonakalo
I-LCD ithathe indawo ye-CRT njengeyona nto iphambili, kwaye ixabiso liye lehla kakhulu, kwaye liye laziwa ngokupheleleyo.
Ngokwemithombo eyahlukeneyo yokukhanya, i-LCD inokwahlulwa ibe ziindidi ezimbini: iCCFL kunye ne-LED.
Ukungaqondi:
Abasebenzisi abaninzi bakholelwa ukuba iziboniso zekristale zamanzi zinokwahlulwa zibe zii-LED kunye neLCD.Ukusa kumlinganiselo othile, oku kuqonda kulahlekisa zizibhengezo zentengiso.
Umboniso we-LED kwimarike awukho umboniso we-LED oyinyaniso.Ukuchaneka, yi-LED-backlit liquid crystal display.Iphaneli yekristale yolwelo isengumboniso we-LCD wemveli.Ngandlel’ ithile, obu bubuqhophololo ngandlel’ ithile.indalo!Inkampani yakwaSamsung yaseMzantsi Korea yakhe yagwetywa ngumbutho weentengiso waseBhritane ngokophula imithetho yezentengiso yeli lizwe kuba oomabonakude bayo be-“LEDTV” LCD bakrokrelwa ngokulahlekisa abathengi.Kwimiboniso yekristale yolwelo, esona sitshixo sibaluleke kakhulu yiphaneli yeLCD kunye nohlobo lokukhanya ngasemva, ngelixa iiphaneli zeLCD zokubonisa kwimarike zisebenzisa iiphaneli zeTFT, ezifanayo.Umahluko phakathi kwe-LED kunye ne-LCDs kukuba iintlobo zabo zokukhanya ngasemva ziyahluka: I-LED I-backlight kunye ne-CCFL backlight (oko kukuthi, izibane ze-fluorescent) ziyi-diode kunye nezibane ezibandayo ze-cathode, ngokulandelanayo.
I-LCD yi-acronym yeLiquid Crystal Display, ethetha "umboniso wekristale elulwelo", oko kukuthi, umboniso wekristale engamanzi.I-LED ibhekisa kuhlobo lwe-liquid crystal display (LCD), oko kukuthi, i-liquid crystal display (LCD) ene-LED (i-light emitting diode) njengomthombo wokukhanya.Kuyabonakala ukuba i-LCD ibandakanya ii-LED.Iqabane le-LED ngokwenene yiCCFL.
CCFL
Kubhekiswa kumboniso wekristale elulwelo (LCD) eneCCFL (isibane esibandayo secathode fluorescent) njengomthombo wokukhanya ngasemva.
Inzuzo yeCCFL kukusebenza kakuhle kombala, kodwa into engalunganga kukusetyenziswa kwamandla aphezulu.
I-LED
Ibhekisa kumboniso wekristale elulwelo (LCD) esebenzisa ii-LED (light emitting diode) njengomthombo wesibane sangasemva, kwaye ibhekisa ngokubanzi kwiiWLEDs (iiLED ezimhlophe).
Izibonelelo ze-LED zincinci kunye nokusetyenziswa kwamandla aphantsi.Ke ngoko, ukusebenzisa i-LED njengomthombo we-backlight kunokufikelela ukukhanya okuphezulu ngelixa kuthathelwa ingqalelo ukukhanya kunye nokuncipha.Eyona nto ingathandekiyo kukuba ukusebenza kombala kubi ngakumbi kunoko kweCCFL, ngoko ke uninzi lweegraphic LCD zisasebenzisa iCCFL yemveli njengomthombo wokukhanya ngasemva.
Iiparamitha zobuGcisa
Ixabiso eliphantsi
Ngokuqhelekileyo, ukunciphisa iindleko kuye kwaba ngumgaqo obalulekileyo kwiinkampani ukuba ziphile.Kuyo yonke imbali yophuhliso TFT-LCD, akukho nzima ukufumanisa ukuba ukwandisa ubungakanani substrates iglasi, ukunciphisa inani leemaski, ukwandisa isiseko isikhululo imveliso kunye nemveliso imveliso, kunye nokuthenga imathiriyeli ekrwada kufutshane ziinzame eziqhubekayo ezininzi TFT- LCD abavelisi..
I-Glas substrate yimathiriyeli ekrwada ebalulekileyo yokuveliswa kwe-TFT-LCD, kwaye i-akhawunti yeendleko zayo malunga ne-15% ukuya kwi-18% yexabiso lilonke le-TFT-LCD.Iphuhliswe ukusuka kumgca wesizukulwana sokuqala (300mm × 400mm) ukuya kumgca wesizukulwana seshumi sangoku (2,850mm × 3,050).mm), ihambe ixesha elifutshane leminyaka engamashumi amabini.Nangona kunjalo, ngenxa yeemfuno eziphezulu kakhulu zokwakheka kweekhemikhali, ukusebenza kunye neemeko zenkqubo yemveliso ye-TFT-LCD substrates zeglasi, itekhnoloji yemveliso yeglasi ye-TFT-LCD yeglasi yehlabathi kunye nentengiso kudala isetyenziswa yiCorning eUnited States, iAsahi Glass kunye. Electric Glass, etc. Monopolized ziinkampani ezimbalwa.Ngaphantsi kokukhuthazwa okunamandla kophuhliso lweemarike, ilizwe lelizwe lam laqala ukuthatha inxaxheba ngokusebenzayo kwi-R & D kunye nokuveliswa kwe-TFT-LCD substrates zeglasi ngo-2007. Okwangoku, inani le-TFT-LCD imigca yokuvelisa i-glass substrate yesizukulwana sesihlanu kwaye ngasentla zakhiwe China.Kucwangciswe ukusungula iiprojekthi ezimbini ze-8.5 zesizukulwana esiphezulu se-crystal glass substrate yemveliso yomgca wemveliso kwisiqingatha sesibini se-2011.
Oku kubonelela ngesiqinisekiso esibalulekileyo sokwenziwa kwasekhaya kwemathiriyeli ekrwada enyukayo kubenzi be-TFT-LCD kwilizwe lam kunye nokwehliswa okubonakalayo kweendleko zokwenziwa.
Inxalenye ephambili yeteknoloji yokuvelisa i-TFT yinkqubo ye-photolithography, engeyona nje inxalenye ebalulekileyo yokumisela umgangatho wemveliso, kodwa kunye nenxalenye ephambili echaphazela iindleko zemveliso.Kwinkqubo ye-photolithography, eyona ngqalelo ihlawulwa kumaski.Umgangatho wayo umisela umgangatho we-TFT-LCD ukuya kwinqanaba elikhulu, kwaye ukunciphisa ukusetyenziswa kwayo kunokunciphisa ngokufanelekileyo utyalo-mali lwezixhobo kunye nokunciphisa umjikelezo wemveliso.Ngotshintsho lwesakhiwo se-TFT kunye nokuphuculwa kwenkqubo yokuvelisa, inani leemaski ezisetyenziswa kwinkqubo yokuvelisa ngokuhambelanayo liyancitshiswa.Ingabonwa ukuba inkqubo yemveliso ye-TFT iye yavela ekuqaleni kwe-8-mask okanye inkqubo ye-7-mask lithography ukuya kwinkqubo esetyenziswa ngoku ngokuqhelekileyo ye-5-mask okanye i-4-mask lithography, enciphisa kakhulu umjikelo wemveliso we-TFT-LCD kunye neendleko zokuvelisa. .
4 Inkqubo yeMask lithography ibe yeyona nto iphambili kwishishini.Ukuze kuncitshiswe ngokuqhubekayo iindleko zokuvelisa, abantu baye bazama ukuphonononga indlela yokunciphisa ngakumbi inani leemaski ezisetyenziswa kwinkqubo ye-photolithography.Kwiminyaka yakutshanje, ezinye iinkampani zaseKorea zenze inkqubela phambili ekuphuhliseni inkqubo ye-3-mask lithography, kwaye zibhengeze imveliso yobuninzi.Nangona kunjalo, ngenxa yetheknoloji enzima yenkqubo ye-3-mask kunye nezinga eliphantsi lesivuno, kusekho inkqubela phambili.Phantsi kophuhliso kunye nokuphuculwa.Ukususela kumbono wophuhliso lwexesha elide, ukuba iteknoloji yokuprinta ye-Inkjet (inkjet) yenza ukuphumelela, ukuzaliseka kokuveliswa kwe-maskless yinjongo ephambili abantu abayifunayo.
