Uas TV yog ib qho zoo, LCD los yog "ntshav"?

Yog hais tias koj muaj ib lub hom phiaj mus yuav ib tug TV, koj yuav tsum tau tsis txawm tau mus nrog lub sij hawm. Tam sim no cov no yog cov siab precision duab. Tsuas yog qhov tseeb niaj hnub siv tshuab yog muaj peev xwm kom los siav lub feem ntau xav tau kev pab. Ib tug loj loj ntxiv rau yog cov niaj hnub universal nkag tau mus rau hauv Internet, uas yuav pab tau nrog xaiv. Nws yog ua tau yuav tau xav txog ib tug ntau yam ntawm cov qauv, piav qhia thiab cov lus rau lawv. Qhov no yuav txhawb kom haum rau koj cov kev xaiv: tsim, cov nqi thiab lwm yam tsis. Lub pom variant ntawm modernity - ib tug zoo TV thiab cov TV. No thaum lawv tseem yuav ua kom menyuam tsos thiab cov kev pab cuam raws li xis li sai tau. Nyob rau hauv lub ntiaj teb no muaj txog li 130 tuam txhab uas muag muab kev koom tes nyob rau hauv qhuav ntawm TV poob lawm, cov lawv muaj thiab domestic tuam ntxhab. Thiab tag nrho cov ntawm lawv yog cov muaj kev txhawj xeeb txog kev txhim kho qhov zoo ntawm cov khoom nyob rau hauv thiaj li yuav khwv tau txoj kev ntseeg ntawm cov neeg. Koj xaiv lub TV? Uas yog zoo dua? Xav txog koj cov kev xaiv.

Uas TV yog zoo dua - LCD los yog "ntshav"?

Yog li ntawd, koj yuav tsum to taub qhov tsis muaj lub screen. Ntawm kev muag khoom yog cov nram qab no:

- projection;

- LED, lawv tseem muaj lub LEDs - TV;

- ntshav;

- Kua siv lead ua zaub (LCD).

LED-TV

Qhov txawv ntawm cov LEDs - TV thiab LCD Backlighting technology yog. Nyob rau hauv lub chaw ua khoom ntawm lub LEDs lub LEDs siv, raws li nyob rau hauv cov kua siv lead ua - fluorescent teeb. Qhov tseeb kuj yog ib tug loj kom zoo dua ntawm cov thawj, piv txwv li lub LEDs. Lawv yog cov tau muaj kev cuam tshuam ntau npaum li cas xim tshaj LCD TV. Nyob rau hauv lub LEDs, muaj lwm yam tseem ceeb zoo: lawv yog cov thinner, haus hluav taws xob tsawg brightness thiab sib piv zoo dua LCD. Qhov loj tshaj drawback ntawm lub TV - nws yog nws tus nqi, uas yog ho muaj dua. Tab sis los ntawm qhov chaw nws nyob rau hauv lub chav tsev nyob, koj yuav tsis tau txaus saib cov duab zoo. Tab sis nyob rau hauv xws li ib tug teeb meem no yog heev raus lo lus nug: "Yuav ua li cas yog lub LED-TV yog zoo dua mus yuav?" Yog hais tias koj nyeem cov neeg xyuas nyob rau hauv Internet, peb yuav pom hais tias tus zus tau tej cov nrov qauv ntawm cov nram qab no tuam txhab uas muag: lub LG, Samsung, Toshiba, Philips, Sony, Supra thiab Akai. Cov kev xaiv yog koj li.

LCD TV

Yuav ua li cas yog lub LCD screen? Qhov no matrix uas muaj tsuas me me. Cov ntsiab (dots) yog hu ua pixels. Ib tug pixel - qhov no sub-pixels ntawm liab, ntsuab thiab xiav xim. Hauv cov ntsiab yog kua muaju, hloov nws tus kheej kev kho ntawm lub electric teb. Rau matrix yog backlight. Thaum tsiv muaju yog thaiv los yog kis lub teeb los ntawm cov teeb. Qhov ntau haib teeb, lub zoo dua cov xim, tab sis lub zog, ntsig txog, saum toj no. Tej TVs nyiam buyers ib tus nqi pheej yig. Cov tsis zoo muaj xws li ib tug nqaim saib lub. Tab sis muaj pluses: brightness thiab sib piv qhov tseem ceeb yog cov sib txawv thiab nyob ntawm seb lub TV qauv. Thaum tej lub sij hawm, nws yog tsim nyog them sai sai mus thaum muas ib LCD. Ib tug tseem ceeb kom zoo dua yog qhov yooj yim ntawm xws TVs. Raws li ib tug tshwm sim, lawv yuav tsum tau dai rau ntawm phab ntsa. Tab sis nyob rau hauv thiaj li yuav txiav txim meej uas TV yog ib qho zoo, LCD los yog "ntshav", xav txog ib tug ntshav TV.

"Ntshav"

Ntshav screen - yog matrix, tab sis nws yog tsim nyob rau hauv geometric hlwb. Lub hlwb yog lawm ua tus sau nrog xenon los yog neon. Thaum lub caij thaum lawv cuam tshuam los ntawm hluav taws xob lub hwj chim, roj rau hauv ib tug ntshav thiab emits ultraviolet lub teeb. Nyob rau hauv cell phab ntsa coated nrog ib tug tshwj xeeb muaj pes tsawg leeg, thiab nyob rau hauv kev sib cuag nrog lub rays, nyob ntawm seb muaj pes tsawg leeg ntawm txheej, peb muab tau cov yam xim. Yog hais tias lub voltage yog ntau dua, lub cell zes brighter. Los ntawm nws cov thawj xim yog tau los ntawm ib tug ntau yam ntawm ntxoov. Cov duab ntawm qhov screen uas yog tsim los ntawm ib tug hluav taws xob module, cov voltage tswj oscillator. Lub ntsiab plus - "ntshav" yog peb lub sij hawm zog tshaj LED thiab LCD. Nws yog zoo tagnrho rau ib tug loj chav. Yog li ntawd nws yog lub sij hawm los txiav txim uas TV yog ib qho zoo, LCD los yog "ntshav", rau koj, dab tsi suits koj zoo tshaj plaws. Nws yuav tsum tau muab sau tseg hais tias ntshav TVs pib tsim me me luaj li cas yog tus tsis ntev los no. Accolades yog khoom tuam txhab uas muag Samsung, LG, Panasonic.

Yuav ua li cas tsis thaum xaiv ib tug TV?

- kab pheeb ces kaum (yuav tsum tau peb lub sij hawm tsawg tshaj li tus nyob deb li uas koj yog deb ntawm lub TV thaum menyuam);

- screen daws teeb meem (ntau dua qhov kev daws teeb meem, lub dlaim phaj thiab zog cov duab);

- HDTV - txheem lub sij lub zoo ntawm broadcasting;

- teb matrix - yog ib qho tseem ceeb nyob rau hauv cov ntaub ntawv koj nyob nraum wondering: "Uas TV yog ib qho zoo, LCD los yog" ntshav "thiab, tej zaum, LEDs?";

- contrast ntawm qhov screen;

- lub brightness ntawm qhov screen;

- saib lub;

- acoustics;

- ntxiv zog.