Ntshav los yog LCD - ib tug yooj yim kev xaiv

Raws li ntsiag to "tau sunk rau hauv oblivion," lub sij hawm ntawm cov xim dub thiab dawb TV poob lawm, thiab maj poob tawm ntawm zam xov tooj nrog ib tug pa CRT. Lub cim tshiab ntawm pav ca-vaj huam sib luag TVs yog nkag mus rau hauv TV ua lag luam. lawv cov nqi tau poob ho, thiab ntau tau txais kev pab xav txog dab tsi tau hloov lawv outdated "box". Thiab ntawm no rau lo lus nug tshwm sim: uas yog zoo dua - ntshav los yog LCD TV.

Thiab kom daws tau qhov teeb meem, peb yuav tsum to taub dab tsi txog kev sib txawv nruab nrab ntawm lawv. Thiab muaj cov sib txawv nruab nrab ntawm lawv, thiab lawv muaj xws li nyob rau hauv sib txawv kiag li tej ntsiab cai ntawm pub mov rau cov duab ntawm qhov screen. Txhua yam ntawm cov technologies nws muaj nws qhov zoo thiab qhov tsis zoo. Thiab kom paub qhov txawv ntawm ib tug ntshav TV nyob rau LCD yog ib tug me ntsis ntxaum mus rau hauv lub keeb kwm ntawm cov technologies.

LCD technology tau paub rau ntau tshaj ib puas xyoo, txij li thaum 1904. Chiv, kua muaju tau tsim nyob rau hauv kev txiav txim mus rau kis ib tug "tuag" cov duab. Nws qhia watches thiab cov cav laij leb. Qhov no txuas ntxiv mus rau ntau xyoo kom txog rau thaum no technology pib yuav tsum tau siv rau computer saib ua ntej, thiab ces mus rau ib tug pa TV.

Zoo, tus "ntshav" technology twb qhib nyob rau hauv 1964. Tab sis rau cov thawj lub sij hawm rau ib lub TV screen rau siv nyob rau hauv 1998, thaum lub sij hawm lub caij ntuj no Olympics nyob rau hauv Nagano. Qhov no technology ua rau nws tau mus rau kis cov dluab ntawm lub loj screen, qhov luaj li cas ntawm uas yog rau cov tsoos TVs muaj.

Thiab tam sim no, nws tsim nyog yuav mus nyob rau qhov yooj yim tsis muaj TVs uas yog ntawm kev txaus siab rau cov kev pab. Thiab ib tug ntawm lawv yog cov screen loj. Nyob rau hauv no hais - ntshav los yog LCD - ntshav ua. Firstly, qhov tsawg kawg nkaus dimension ntawm cov ntshav screen yog 32 inches. Ob, ntshav TVs nrog ib tug kab pheeb ces kaum ntawm 42 nti yog tseem pheej yig dua tshaj LCD-TVs nrog tib qhov loj me. Tab sis cov thawj pawg lus tsis yeej ib txwm ua hauj lwm rau cov ntshav. Tom qab tag nrho, tsis yog txhua tus xav tau ib tug loj TV, thiab tsis yog txhua txhua ntawm lawv muaj peev xwm them taus. Yog li ntawd, nyob rau hauv kev ua lag luam ya ntawm TVs nrog me me cov ntxaij vab tshaus teej sib txeeb nrog kua muaju yuav mus txog xwb qhov zoo qub kinescopes.

Ntshav los yog LCD - cov ob technologies yog ntsuas tsis tau tsuas yog nyob rau hauv loj. Zog noj no kuj tsis yog qhov kawg tshaj. Thiab yog hais tias tsis ntev los no spun ntshav txee sai LCD-TVs, thiab tam sim no nyob rau hauv hluav taws xob noj yog yuav luag sib npaug. Kuj yog xws li ib tug parameter yog moot li cov TV saib lub. Nrog plasmas no txhua yam yog tseeb - lawv nyob qis qis teem nyob rau hauv lub chav 160 degrees. Thiab ib co manufacturers LCD-cov ntxaij vab tshaus tshaj tawm hais tias lawv muaj ib tug saib kaum sab xis ntawm 178 degrees. Tab sis cov nuj nqis yog ib co lus nug. Tom qab tag nrho, cov duab rau tej cov ntxaij vab tshaus yuav ploj mus thiab loses zoo ntawm me npaum li cas ces kaum.

Muaj coob tus neeg uas ua rau nws mus rau lub dub-thiab-dawb TV, nco ntsoov ntau npaum li cas yog cov ces "cov ntaub ntawv" thiab "Birches". Lawv lifespan by decades. Tam sim no kuj yog ib tug neeg ntsib lub ib tug xaiv - ntshav los yog LCD xav yuav ua li cas muaj ntau yam yuav ua hauj lwm nws tshiab tshaaj. Manufacturers ntawm LCD-qhia tshaj tawm hais tias lawv "tus me nyuam" tej zaum yuav ua hauj lwm mus rau 40 xyoo, yog hais tias lawv muaj xws li ib tug nruab nrab ntawm 4 teev ib hnub twg. Nyob rau tib lub sij hawm lub neej ntawm ntshav zaub panels yog pom tias yuav tsum ob zaug tsawg. Tab sis los ua pov thawj lo lus no yuav tsuas muaj nyob rau hauv 10-20 xyoo, thaum thawj "long-lived" nrog txhua yam ntawm lub "warring ob tog". Thiab tam sim no peb yuav confidently hais tsuas yog ib yam - LCDs tsis muaj ib lub neej ntev.

Ib qho tseem ceeb nam ntawm lub teeb meem - ntshav los yog LCD yog xim tu tub tu kiv. Nyob rau qhov no parameter uniquely yeej ntshav. Qhov no yog tiav los ntawm ib tug txheej txheem rau lub teeb thaiv nyob rau hauv xws panels. Nyob rau hauv ntshav, lub tsaug zog pixels yog muab tua, thiab thiaj li cov kev tshuaj ntsuam yog tsis cai sab nraum illumination. Nyob rau hauv LCD technology teeb lossi penetrates mus rau hauv cov kab nrib pleb ntawm lub pixel array. Nws muab xim dullness thiab distorts hauv tej yam ntuj tso ntxoov.

Nyob rau tib lub sij hawm, ntshav ntxaij raug kev txom nyem los ntawm burnout. Cov nyhuv no tej zaum yuav tshwm sim yog hais tias nws yog ib tug ntev lub sij hawm "dai" zoo li qub duab. Thiab phosphors "hnav tawm" los ntawm xws li ib tug mob siab heev "ua hauj lwm". Qhov no yuav ua rau lub fact tias tom qab ib co sij hawm nyob rau qhov kev tshuaj ntsuam yuav tsum pom silhouette duab tuav tseg. Ib tug LCD-TVs no "tus kab mob" yog tsis cuam tshuam. Tsis tas li ntawd, muaj ntau yam ntawm lub chaw nyob ntawm seb lub TV ntawm lub chaw tsim tshuaj paus, nws ncaj ncees. Thiab qhov no siv rau ob qho tib si technologies. Thiab uas yog ib tug xaiv, txhua txhia tus muaj txoj cai los txiav txim rau nws tus kheej.