LED vs Plasma
LED thiab Plasma yog ob lub thev naus laus zis rau cov duab tsis zoo ntawm cov duab zoo. LED qhia ua haujlwm ntawm cov kua siv lead ua kua lossis semiconductor thev naus laus zis thaum plasma qhia ua haujlwm ntawm ionized gasses.
Ntau txog LED
LED stands rau Lub Teeb Emitting Diode thiab ob hom khoom siv tau tsim nrog LEDs. Discrete LEDs tuaj yeem siv los tsim cov duab tiaj tus loj, nyob rau hauv uas ib pawg ntawm Liab, Ntsuab, thiab Xiav LEDs ua ke los ua pixels. Cov duab zoo li no hu ua LED panels, uas yog loj thiab siv rau sab nraum zoov. Lwm qhov yog LCD qhia backlit nrog LEDs.
LCD stands 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. Cov LCDs ib txwm siv Cold Cathode Fluorescent Lights (CCFL) rau lub teeb nraub qaum thaum, hauv cov lus qhia LED, siv lub teeb ci LED.
Cov LED backlit zaub muaj cov khoom siv los ntawm cov khoom siv LCD thiab kev siv hluav taws xob tsawg dua vim tias lub zog qis siv los ntawm LEDs. Cov zaub kuj yog slimmer dua li cov duab LCD. Lawv muaj xim ntau dua, zoo dua qhov sib txawv thiab ci ntsa iab. Lawv tsim cov duab zoo dua, thiab lub sijhawm teb yog siab dua. Cov qib dub ntawm cov zaub kuj siab dua, thiab cov LEDs kuj kim.
Ntau txog Plasma
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 phosphorous 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 screen yog ib qho array ntawm miniscule chambers hu ua hlwb nyob rau hauv ob txheej ntawm iav. Hauv qhov yooj yim, lub plasma zaub yog ib phau ntawm ntau lab lub qhov muag me me.
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, thiab 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 qhov tsis tshua muaj siab
LED vs Plasma
• LEDs siv lub zog tsawg dua; yog li ntawd, lub zog ntau dua, thaum cov plasma qhia ua haujlwm ntawm qhov kub siab dua; yog li ntawd, ua kom muaj cua sov ntau dua thiab siv zog tsawg dua.
• Plasma qhia muab qhov sib piv zoo dua thiab muaj lub sijhawm teb zoo dua.
• Plasma zaub muaj cov xwm txheej dub zoo dua
• Plasma cov lus qhia hnyav dua thiab ntau dua, thaum cov lus qhia LED zoo li slimmer thiab hnyav dua.
• Plasma cov ntxaij vab tshaus yog qhov tsis yooj yim vim lub iav qauv ntawm lub vijtsam.
• Duab flicker tshwm sim hauv cov ntshav thaum lub sijhawm, LCDs tsis muaj duab flicker.
• Lub siab sib txawv cuam tshuam rau kev ua haujlwm ntawm Plasma cov ntxaij vab tshaus thaum cov lus qhia LED muaj qhov cuam tshuam tsawg dua.
