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Tsev > Xov xwm > Ntsiab lus
Tus Txheej Txheem Txoj Haujlwm Ntawm TFT-LCD
Apr 03, 2018

Nws yog paub tias tus qauv ntawm CRT yog tias lub ntsiab lus yog cua sov tom qab hluav taws xob, cov cathode zoo siab thiab qhov hluav taws xob nquag tau tawm. Cov hluav taws xob khiav ceev yog ceev los ntawm txheej hlau txheej nrog high voltage. Cov nqaj hlau electron yog tsom los ntawm lub lens tsim lub nplhaib hluav taws xob zoo, uas yog ntaus ntawm qhov screen kom phosphor luminescent. Lub hauv paus ntsiab lus ntawm CRT yog txawv txav. LCD xav tau lub teeb qhov qab nws. Thaum cov nqaj dhau los ntawm cov kua siv lead ua kua, cov kua siv lead ua kua zoo tib yam los yog lub cev tsis sib thooj. Li ntawd cov kua siv lead ua kua ntau dua li lub qhov rooj.

Nyob rau tam sim no, cov ntsiab lus siv lead ua kua taub hau yog nyias zaj duab xis transistors LCD (TFTLCD), uas yog nthuav los ntawm tus thawj hauv LCD technology. Lub TFT LCD muaj ib qho kev hloov ntawm semiconductor rau txhua lub pixel kom tiav ib qho kev taw qhia ntawm kev tswj hwm. Cov khoom siv lead ua kua yog qhwv ntawm cov iav TFT thiab xim xim txheej. Qhov kawg siv lub teeb thiab xim muaj peev xwm tswj tau los ntawm kev hloov qhov voltage ntawm cov kua siv lead ua kua.

Feem ntau, kua siv lead ua kua yog pob tshab tshwj tsis yog tias siv cov ntawv hluav taws xob. Tom qab siab, ib feem ntawm nws yuav hloov thiab ua opaque. Kev hloov ua piv txwv ntawm cov kua siv lead ua kua yog qeeb qeeb. Nyob rau xyoo 1992, EMI tshaj tawm tias tsim muaj cov kua siv tshiab ua kua tshiab, cov kua hluavtaws ua kua FCOD (ferroelectriclcds). Qhov kom zoo ntawm cov kua siv ua kua hluav taws xob yog qhov ua teb ceev ceev, kom nkag siab. Thiab tsis tas yuav tsum hloov qhov hluav taws xob kom tswj tau tam sim no lub xeev, uas yog, ntau lub zog txuag, uas yog lub ntsiab lus tseem ceeb rau cov khoom siv txav xws li laptops, PDA, thiab ntxiv rau. FLCD muaj ntau yam zoo, tab sis tam sim no, muaj qee cov khoom hauv lub khw, vim FLCD yog qhov muaj kev nkag siab heev thiab yuav yooj yim rau kev siv lead ua, tab sis nws yuav ua kom zoo dua yav tom ntej.

Txawm hais tias lub neej yav tom ntej ntawm cov kua siv ua kua dej FCOD tseem yog ib qho tseem tsis tau paub, nws kuj muaj qhov zoo ntawm qhov sib luag thiab ultra loj qhov muag pom, uas yuav cuam tshuam qhov mainstream TFT hauv kev ua lag luam.

Raws li kev ua haujlwm kub cev, lub sijhawm tshuaj tiv thaiv ntawm FLCD tsuas yog 70us! Nyob rau hauv xws li ib tug luv luv lub sij hawm, nws muaj peev xwm yuav luag tsis quav ntsej.


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