TFT LCD npo qauv
May 18, 2018
TFT LCD npo muaj zoo ci ci, siab zoo, zoo siab ntawm hierarchy, thiab ci xim. Qhov tsis zoo yog tias nws noj ntau dua hluav taws xob thiab nqi ntau dua. Lub ntsiab ntawm TFT hom ua kua dej ua ke muaj xws li cov roj fluorescent, lub teeb qhia daim hlau, lub npoo polarizing, lim daim hlau, iav substrates, cov duab yeeb nkab, cov khoom siv ua kua ua kua, hom nyias transistors, thiab cov zoo li. Tab sis dab tsi yog nws tus qauv?
Cov nram qab no yog cov qauv ntawm TFT LCD npo rau koj los faib tawm:
TFT LCDs yog ua los ntawm ntau cov khaubncaws sab nraud povtseg, ib yam li cov qhaub cij. Cov txheej txheej sab nraud ntawm sab ob sab yog ib co txheej txheem iav. Hauv nruab nrab ntawm txheej iav yog ib zaj duab xis capacitor, ib lub xim lim uas tsim nyog ua rau peb lub ntsiab xim ntawm xim liab, xiav, thiab ntsuab, thiab cov kua siv lead ua kua. Lub teeb ci uas muaj fluorescent lub teeb ci ci teeb tom qab lub vijtsam khawm kom tiav cov duab LCD.
Feem ntau, thaum tsis muaj nqi, lub kua siv lead ua kua yog nyob hauv lub xeev tsis muaj kev txwv. Nyob rau hauv lub xeev no, cov kua siv lead ua kua yog lub teeb rau cov teeb, thiab ntau yam kev sib txawv yog siv rau cov kua siv lead ua kua, cov iav hauv cov kua siv lead ua kua hauv cov lus qhia sib txawv, thiab cov kua siv lead ua kua yog tsim nrog lub teeb sib txawv.
Ib yam li cov pa luam yeeb cathode txoj hlua tub ntxhais, liab, xim ntsuab thiab xiav cov xim daj peb muaj sib xyaw ua ib qho pixel. Tswj qhov voltages ntawm peb cov xim ntsiab lus xim liab, ntsuab, thiab xiav, thiab sib tov peb xim ntawm ntau cov xim ua rau cov xim xim.
Qhov screen lub zog ntawm tag nrho TFT zaub yog tsim ntawm ib kab sib chaws ntawm pixels. Thawj kis tau muaj kev tswj xyuas ntawm transistor. Qhov kev daws teeb meem yog tsim los ntawm cov ntsiab lus no. Yog hais tias qhov daws teeb meem ntawm cov kua tshuaj siv yog 1024 * 768 pixels (SVGA), ces nws yeej muaj ntau yam ntsiab lus.
