2024 Tus sau: Priscilla Miln | [email protected]. Kawg hloov kho: 2024-02-18 01:34
Yog tias koj muaj lub siab xav yuav TV, koj xav tau, tsis yog, koj tseem yuav tsum ua raws sijhawm. Tam sim no, cov duab siab raug yog qhov cuam tshuam. Tsuas yog cov thev naus laus zis niaj hnub tam sim no tuaj yeem ua tau raws li cov neeg siv khoom xav tau tshaj plaws. Ib qho txiaj ntsig loj ntawm kev niaj hnub yog kev nkag mus rau hauv Internet, uas tuaj yeem pab nrog kev xaiv. Hauv nws koj tuaj yeem xav txog ntau tus qauv, piav qhia, nrog rau kev txheeb xyuas ntawm lawv. Qhov no yuav thawb koj mus rau qhov kev xaiv tsim nyog rau koj: nyob rau hauv cov nqe lus ntawm kev tsim, nqi thiab lwm yam tsis. Qhov kev xaiv zoo tshaj plaws rau hnub no yog lub TV zoo thiab cov TV digital. Qhov kev sib xyaw ua ke no yuav ua rau saib cov yeeb yaj kiab thiab cov kev pab cuam kom yooj yim li sai tau. Muaj kwv yees li 130 lub tuam txhab hauv ntiaj teb koom nrog hauv kev tsim cov TV, ntawm lawv muaj cov tuam txhab tsim khoom hauv tsev. Thiab lawv txhua tus muaj kev txhawj xeeb txog kev txhim kho lawv cov khoom zoo kom tau txais kev ntseeg siab ntawm cov neeg siv khoom. Koj puas xaiv TV? Qhov twg zoo dua? Xav txog cov kev xaiv.
Dab tsiTV zoo dua - LCD lossis plasma?
Yog li, nws yog qhov tsim nyog los cuam tshuam nrog qhov ntsuas qhov ntsuas. Cov hom hauv qab no muaj muag:
- projection;
- LED, lawv kuj yog LED - TVs;
- plasma;
- Liquid Crystal Display (LCD).
LED TV
Qhov txawv ntawm LED TV thiab LCD yog lub teeb pom kev zoo. Hauv kev tsim cov LEDs, LEDs yog siv, thiab hauv cov kua siv lead ua kua, cov teeb fluorescent siv. Qhov tseeb no kuj yog lub ntsiab kom zoo dua qub, uas yog, LED. Lawv muaj peev xwm xav txog ntau xim ntau dua li LCD TVs. LEDs kuj muaj lwm yam zoo: lawv yog nyias, siv hluav taws xob tsawg, thiab muaj qhov ci zoo dua thiab qhov sib txawv dua li LCDs. Qhov loj tshaj qhov tsis zoo ntawm xws li TV yog nws tus nqi, uas yog ntau dua. Tab sis ntawm qhov tod tes, los ntawm kev txhim kho hauv chav nyob, koj yuav tsis tuaj yeem txaus los saib cov duab zoo. Tab sis nyob rau hauv cov xwm txheej zoo li no, cov lus nug yog qhov tsim nyog: "Lub TV LED twg zoo dua los yuav?" Yog tias koj nyeem cov neeg siv khoom tshuaj xyuas hauv Is Taws Nem, koj tuaj yeem pom tias cov qauv tsim los ntawm cov tuam txhab hauv qab no nrov: LG, Samsung, Toshiba, Philips, Sony, Supra thiab Akai. Kev xaiv yog koj li.
NWS LCD TV
Dab tsi yog kua siv lead ua kua zaub? Qhov no yog ib tug matrix ntawm dots. Cov ntsiab lus (cov ntsiab lus) yog hu ua pixels. Ib pixel yog lub sub-pixels ntawm liab, ntsuab, thiab xiav. Sab hauv cov khoom yog cov kua siv lead ua kua,hloov lawv txoj hauj lwm nyob rau hauv lub zog ntawm ib tug hluav taws xob teb. Hauv qab ntawm matrix yog backlights. Thaum tsiv, cov muaju yog thaiv los yog cia los ntawm lub teeb los ntawm cov teeb no. Lub teeb muaj zog ntau dua, cov xim zoo dua, tab sis lub zog siv tau ntau dua. Xws li TVs nyiam cov neeg yuav khoom nrog tus nqi pheej yig. Lawv qhov tsis zoo suav nrog qhov pom qhov nqaim. Tab sis muaj cov pluses: qhov ci ntsa iab thiab qhov sib piv ntsuas qhov sib txawv thiab nyob ntawm tus qauv TV. Cov ntsiab lus no yuav tsum tau ua tib zoo saib thaum yuav LCD. Ib qho tseem ceeb ntxiv yog qhov yooj yim ntawm cov TVs. Vim li no, lawv tuaj yeem dai rau ntawm phab ntsa. Tab sis thaum kawg txiav txim siab seb lub TV twg zoo dua, LCD lossis "plasma", xav txog plasma TV.
Plasma
A plasma npo yog matrix, tab sis nws yog tsim nyob rau hauv geometric hlwb. Cov hlwb tau ntim nrog xenon lossis neon. Thaum lub sijhawm lawv raug cuam tshuam los ntawm hluav taws xob hluav taws xob, cov pa roj hloov mus rau hauv cov ntshav thiab emits ultraviolet lub teeb. Ib qho tshwj xeeb muaj pes tsawg leeg yog siv rau ntawm phab ntsa ntawm tes, thiab thaum rays ntaus, nyob ntawm seb muaj pes tsawg leeg ntawm txheej, peb tau txais cov xim uas xav tau. Yog hais tias qhov voltage siab dua, ces lub cell glows brighter. Thaum sib tov thawj xim, ntau qhov ntxoov ntxoo tau txais. Cov duab ntawm xws li ib qho screen yog tsim los ntawm ib qho hluav taws xob module tswj los ntawm voltage. Lub ntsiab ntxiv - "plasma" yog peb zaug ci dua li LED thiab LCD. Qhov no yog qhov kev daws teeb meem zoo tshaj plaws rau chav loj. Yog li nws yog lub sijhawm los txiav txim siab seb lub TV twg zoo dua, LCD lossis Plasma, rau koj, qhov twg haum koj zoo tshaj. Nws yuav tsum tau muab sau tseg tiasqhov tseeb tias cov plasma TVs me me tau tsim tawm tsis ntev los no. Kev tshuaj xyuas zoo yog muaj txog cov khoom ntawm Samsung, LG, Panasonic.
Kuv yuav tsum nrhiav qhov ntsuas dab tsi thaum xaiv lub TV?
- kab pheeb ces kaum (yuav tsum yog peb zaug tsawg dua qhov nrug koj nyob ntawm TV thaum saib);
- npo daws teeb meem (qhov kev daws teeb meem siab dua, cov duab pom tseeb dua thiab ci dua);
- HDTV yog tus qauv uas txiav txim siab qhov zoo ntawm kev tshaj tawm;
- matrix teb - teeb meem yog tias koj xav paub: "Lub TV twg zoo dua, LCD lossis ntshav, lossis tej zaum LED?";
- screen contrast;
- npo brightness;
- saib kaum;
- acoustics;
- nta ntxiv.
Pom zoo:
Lub txaj twg zoo dua rau menyuam yaus: caij nplooj ntoos hlav lossis caij nplooj ntoos hlav? Yuav ua li cas xaiv ib lub txaj rau tus me nyuam?
Kev pw tsaug zog thiab noj qab nyob zoo txhawb kev noj qab haus huv thiab lub siab lub ntsws ntawm tus menyuam. Nws yog ib qho tseem ceeb heev uas nws muaj lub txaj xis nyob. Yog li ntawd, kev xaiv lub txaj txaj rau tus menyuam yuav tsum tau mus nrog txhua lub luag haujlwm
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