TFT thev naus laus zis tau tsim nyob rau xyoo 1990s. Nws txais yuav cov ntaub ntawv tshiab thiab cov txheej txheem tshiab rau cov khoom siv hluav taws xob loj ua ke txhua qhov kev tsim hluav taws xob. Nws yog siv rau cov kua siv lead ua kua (LC), inorganic thiab organic nyias-zaj duab xis electroluminescence (EL thiab OEL) ca vaj huam sib luag. lub hauv paus. TFT tsis yog ib qho wafer xws li iav los yog yas substrate (tau kawg, nws kuj tuaj yeem tso rau ntawm wafer) los ntawm kev sib dhos thiab tshuaj sib cais cov txheej txheem los tsim ntau cov yeeb yaj kiab tsim nyog rau kev tsim hluav taws xob, thiab cov khoom lag luam loj semiconductor sib xyaw ua ke (LSIC) ) yog tsim los ntawm kev tsim cov yeeb yaj kiab. Cov. Kev siv ntawm cov tsis muaj siv lead ua hluav taws xob ntau tuaj yeem txo tus nqi, thiab yog kev txuas ntxiv ntawm cov kab ke loj loj sib xyaw ua ke rau thaj chaw loj, ua haujlwm ntau, thiab qhia cov nqi qis. Nws yog qhov thev naus laus zis nyuaj dua los tsim TFT uas tswj kev hloov pauv ntawm pixels (LC lossis OLED) ntawm thaj chaw loj iav lossis yas substrates dua li tsim cov khoom lag luam loj ICs ntawm silicon wafers. Cov uas yuav tsum tau ua kom muaj ib puag ncig kev tsim khoom (kev kawm ntawv huv yog 100), qhov yuav tsum ua kom huv huv ntawm cov khoom siv ua kom huv si (cov pa hauv hluav taws xob tshwj xeeb yog 99.999985%), thiab cov uas yuav tsum siv rau cov khoom siv thiab kev tsim khoom siv ntau tshaj qhov loj-teev kev sib xyaw ntawm semiconductors. Cov. Nws yog cov khoom lag luam loj tshaj plaws nyob rau sab saum toj. thev naus laus zis. Nws lub ntsiab nta yog:
(1) Thaj chaw loj: Thawj tiam ntawm thaj chaw loj iav (300mm × 400mm) TFT-LCD cov kab ntau lawm tau muab tso rau hauv ntau lawm thaum pib xyoo 1990. Los ntawm thawj ib nrab ntawm 2000, thaj tsam ntawm iav substrate tau nthuav mus rau 680mm × 880mm), thiab qhov loj ntawm lub khob substrate yog 950mm × 1200mm. Lub khob txheej hauv qab iav tseem yuav raug muab tso rau kev ua haujlwm. Hauv txoj ntsiab cai, tsis muaj kev txwv thaj tsam.
(2) Kev sib koom ua ke siab: Lub 1.3-nti TFT nti siv rau kua siv lead ua kua projection muaj kev daws teeb meem ntawm XGA muaj ntau lab tus pixels. Cov zaj duab xis tuab ntawm 16.1-nti TFT array amorphous silicon nrog kev daws teeb meem ntawm SXGA (1280 × 1024) tsuas yog 50nm, thiab TAB ON GLASS thiab SYSTEM ON GLASS technologies, kev koom ua ke ntawm nws IC, qhov yuav tsum siv thiab khoom siv thev naus laus zis , thiab cov teeb meem the technical Txhua yam dhau qhov tsoos LSI.
(3) Lub zog muaj zog: TFT thawj zaug tau siv los ua matrix qhov chaw txuas txhawm rau txhim kho lub teeb valve yam ntxwv ntawm cov kua siv lead ua. Rau cov lus piav qhia daws teeb meem, los ntawm kev tswj hluav taws xob hauv qhov ntau ntawm 0-6V (feem ntau yog 0.2 txog 4V), kev tswj cov khoom tau raug ua tiav, ua rau nws ua tau rau LCD kom ua tiav cov khoom lag luam zoo thiab lub siab. TFT-LCD yog thawj lub tiaj tiaj vaj huam sib luag pom hauv tib neeg keeb kwm uas tshaj CRT hauv kev ua haujlwm zoo. Thiab tib neeg pib los sib sau tus tsav tsheb IC ntawm cov iav substrate, thiab txoj haujlwm ntawm TFT tag nrho yuav muaj zog ntau dua, uas yog qhov tsis sib luag los ntawm kev ib txwm loj ntawm cov kab hluav taws xob sib xyaw ua ke sib xyaw.
(4) Tus nqi qis: Cov iav substrate thiab cov yas substrate ua cov teebmeem daws cov nqi ntawm qhov loj ntawm cov tshuab hluav taws xob sib xyaw ua ke, thiab qhib qhov chaw dav dav rau daim ntawv thov ntawm cov khoom lag luam loj ntim sib xyaw ua ke.
