YLCD vs Plasma
LCD thiab Plasma yog ob qho ntawm cov khoom siv hluav taws xob tsis zoo siv hauv cov khoom siv rau cov duab zoo. Raws li lub npe qhia, LCDs ua haujlwm ntawm cov kua siv lead ua kua, thiab cov plasma qhia ua haujlwm ntawm hluav taws xob them (ionized gasses). Ob lub thev naus laus zis yog siv hauv HDTVs.
Ntau txog LCD
LCD sawv cev rau Liquid Crystal Display, uas yog lub vaj huam sib luag tiaj tiaj tsim tsim siv lub teeb pom kev zoo ntawm cov kua siv lead ua kua. Cov kua siv lead ua kua yog suav tias yog lub xeev ntawm cov teeb meem, qhov twg cov khoom muaj ob qho tib si kua zoo li thiab siv lead ua zoo li cov khoom. Cov kua qaub muaj peev xwm ua kom lub teeb rov qab, tab sis tsis txhob tawm lub teeb. Cov cuab yeej no yog siv los tswj lub teeb hla dhau ob lub polarizers, qhov twg cov kua siv lead ua kua yog tswj tau siv lub teb hluav taws xob. Cov kua nplaum ua kua ua li qub rau lub teeb rays los thaiv lossis rov ua dua thiab tso cai rau lawv dhau mus. Lub teeb rov qab los yog lub teeb pom kev zoo yog cov khoom siv uas coj lub teeb rau cov polarizers. Cold Cathode Fluorescent Lights (CCFL) yog siv rau hauv TV.
LCDs muaj nyob hauv yuav luag txhua qhov chaw ntawm cov cuab yeej siv niaj hnub no vim nws qhov compactness thiab lub zog efficiency. Nws siv 60% tsawg zog dua li cov duab CRT. Txij li cov zaub yog tiaj tus, tsis muaj geometric disorientation tshwm sim. Yog li ntawd, LCDs yog qhov zoo tagnrho rau cov duab zoo. Raws li kev xav, LCD thev naus laus zis tsis muaj teeb meem rau kev daws teeb meem thiab cov duab tuaj yeem ua rau txhua qhov loj. LCD TVs thiab Monitors tsuas yog ob daim ntawv thov ntawm thev naus laus zis. Cov cuab yeej no kuj pheej yig dua.
Luv luv ntawm LCDs yog lawv lub kaum sab xis saib qis thiab lub sijhawm teb tsawg. Qhov sib piv thiab xim yuav txawv ntawm ib lub kaum sab xis mus rau lwm qhov, thiab qee zaum qhov ci ntsa iab tshwm sim ntawm cov npoo. Qee lub sij hawm cov teebmeem dab yog tsim rau cov duab txav nrawm, vim tias cov lus teb qeeb thiab zoo li ua rau qhov kub thiab txias.
Ntau txog Plasma Displays
Plasma qhia ua haujlwm raws li lub zog tso tawm los ntawm cov roj ionized. Noble gases thiab ib qho me me ntawm mercury muaj nyob rau hauv me me cell coated nrog phosphor khoom. Thaum siv hluav taws xob, cov pa roj hloov mus rau hauv plasma, thiab cov txheej txheem tom ntej illuminates phosphor. Tib lub hauv paus ntsiab lus yog qab lub teeb fluorescent. Lub plasma npo yog ib qho ntawm cov chav me me hu ua cov hlwb uas nyob hauv ob txheej iav.
Qhov txiaj ntsig tseem ceeb ntawm plasma cov lus qhia yog qhov sib txawv ntawm qhov sib txawv vim qhov tsis tshua muaj xim dub uas muab los ntawm cov hlwb. Xim saturation los yog sib txawv distortions yog negligible, thaum tsis muaj geometric distortions tshwm sim nyob rau hauv plasma qhia. Lub sij hawm teb kuj tseem ntau dua li lwm qhov kev qhia tsis hloov pauv.
Txawm li cas los xij, qhov kub ua haujlwm siab vim yog cov ntshav ntshav ua rau muaj zog siv zog thiab tsim hluav taws xob ntau dua; yog li ntawd, tsawg zog npaum. Qhov loj ntawm lub hlwb txwv qhov kev daws teeb meem muaj uas kuj txwv qhov loj. Plasma zaub yog tsim rau ntau qhov loj dua, kom haum rau qhov kev txwv no. Lub siab sib txawv ntawm lub vijtsam iav thiab cov roj hauv lub hlwb cuam tshuam rau kev ua haujlwm ntawm lub vijtsam. Ntawm qhov siab siab dua, qhov kev ua tau zoo zuj zus vim yog qhov tsis tshua muaj siab.
YLCD vs Plasma
• Plasma zaub muaj qhov sib piv ntau dua thiab xim zoo dua
• Plasma qhia ua haujlwm ntawm qhov kub siab dua
• LCDs siv hluav taws xob tsawg thiab ua kom sov tsawg; Yog li ntawd, lub zog siv tau ntau dua, thaum cov plasma tso siab rau qhov kub siab dua rau kev ua haujlwm thiab siv zog tsawg dua
• LCDs muaj lub kaum sab xis saib qis dua, tab sis cov plasma zaub muaj lub kaum sab xis pom ntau dua
• Plasma zaub muaj lub sijhawm teb qis dua li LCDs
• Plasma cov lus hnyav dua thiab hnyav dua thaum LCDs tsis hnyav thiab slimmer.
