Kev sib tham txog kev lag luam tsis ntev los no tau delved rau hauv cov thev naus laus zis tseem ceeb ntawmThin-Film Transistor (TFT) liquid siv lead ua cov lus qhia, tsom teeb pom kev nws "active matrix" tswj mechanism uas ua rau muaj kev txiav txim siab zoo-ib qho kev tshawb fawb txog kev tsav tsheb pom kev niaj hnub.
TFT, luv luv rau Thin-Film Transistor, hais txog matrix ntawm microscopic transistors. Tsis zoo li cov lus pom zoo, txhua pixel hauv aTFTscreen yog tswj ib tus zuj zus los ntawm "active matrix" system. Lub hauv paus ntsiab lus ntawm kev ua haujlwm zoo ib yam li "shutter" mechanism: siv cov cuab yeej siv hluav taws xob rov qab, cov transistors siab tom qab txhua pixel tswj lub teeb kis tau tus mob los ntawm kev tswj cov kua siv lead ua kua, ua tiav cov xim zoo nkauj thiab ci ntsa iab.
Cov khawv koob ntawmLiquid Crystal Displays (LCDs)lus dag nyob rau hauv cov khoom tshwj xeeb ntawm cov kua siv lead ua kua. Muaj nyob rau hauv peb lub xeev tseem ceeb - smectic (cov khaubncaws sab nraud povtseg zoo li av nplaum), nematic (rod-shaped molecules), thiab cholesteric (kauv-structured) -TFT LCDsFeem ntau siv nematic crystals. Thaum siv hluav taws xob, cov khoom siv lead ua no tig lawv cov molecular orientation los tswj lub teeb pom kev. Txhua pixel sib xyaw xim liab, ntsuab, thiab xiav subpixels, siv cov xim sib xyaw ua ke los tsim cov duab zoo nkauj.
Qhov dav saws Twisted Nematic (TN)TFT LCDthev naus laus zis, paub txog nws cov lus teb sai thiab kev ntseeg tau, ua rau cov khoom siv tseem ceeb ntawm smartphones mus rau TVs. Raws li kev hloov pauv hloov pauv hloov pauv hloov pauv mus, TFT tau npaj los hloov kho cov haujlwm tshiab xws li cov cuab yeej siv tau zoo, cog lus tias nyias nyias, khoov tau cov ntxaij vab tshaus rau cov ntawv thov tom ntej.
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