Kua-Crystal Zaub
Jul 14, 2018
Cov kua ua kua (LCD) yog lub teeb vaj huam sib luag lossis lwm yam khoom siv hluav taws xob uas siv hluav taws xob uas siv cov khoom ua kom pom ntawm cov kua ua kua. Cov dej ua kua tsis tso tawm ncaj qha, tsuas yog siv lub teeb pom kev los yog cov duab ua kom pom cov duab nyob hauv cov xim lossis monochrome.LCDs yog muaj los tso saib cov duab (xws li hauv computer hom phiaj) lossis cov duab ruaj nrog cov ntsiab lus tsis tshua zoo, uas yog muab tso tawm los yog muab zais, xws li cov lus ua ntej, tus leb, thiab xya-cim ntu, xws li hauv lub sij hawm digital. Lawv siv tib lub tshuab yooj yim tib yam, tshwj tsis yog tias cov duab cov duab yog ua los ntawm ntau tus me pixels, thaum lwm cov lus qhia muaj cov ntsiab lus loj.
Cov duab LCDs siv rau ntau yam kev siv xws li LCD TV, lub computer ntsuas, twj ntsuas, lub dav hlau cockpit, thiab cov ntawv sab hauv thiab sab nraum zoov. Cov ntxaij lim dej me me muaj zog hauv cov ciaj ciam xws li digital cameras, watches, calculators, thiab cov xov tooj ntawm tes, nrog rau cov xov tooj ntawm tes. Cov ntxaij lim dej tseem siv rau cov khoom siv hluav taws xob xws li DVD players, video game devices thiab clocks. Cov ntxaij vab tshaus hauv LCD tau hloov qhov hnyav, cathode ciav hlau qhov hluav taws xob (CRT) nyob hauv txhua daim ntaub ntawv. Cov ntxaij vab tshaus hauv LCD muaj nyob rau hauv ntau qhov ntau ntau ntawm kev ntsuas ntau dua CRT thiab ntshav qab zib, nrog cov ntxaij vab tshaus LCD muaj nyob rau hauv qhov ntau thiab tsawg los ntawm cov me me cov watches mus rau cov TV receivers loj heev.
Vim tias cov ntxaij lim dej tseem tsis siv cov phosphors, lawv tsis tuaj yeem raug duab hlawv-thaum muaj ib cov duab zoo li qub tau tso tawm ntawm ib qho screen ntev ntev, piv txwv, cov txheej txheem lub rooj rau lub davhlau ya raws lub sijhawm rau sab hauv tsev. Cov duab LCDs, tab sis, muaj peev xwm ua tau duab duab nrawm. Lub vijtsam sab najnpawb yog siv hluav taws xob ntau thiab yuav pov tseg muaj kev nyab xeeb tshaj li CRT tau. Nws cov hluav taws xob uas tsis muaj hluav taws xob ua rau nws siv los siv hluav taws xob hluav taws xob hluav taws xob ntau dua CRTs. Los ntawm 2008, kev muag khoom txhua xyoo ntawm cov TV hauv TV nrog cov ntxaij hauv LCD ntau tshaj qhov muag CRT hauv ntiaj teb, thiab lub CRT los ua obsolete ntau lub hom phiaj.
