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Yuav ua li cas Yog OLED Thiab Yuav Nws ua li cas rau koj TV?

May 08, 2017

OLED TV li feem ntau neeg pab leg ntaubntawv "infinite" c ontrast ratios, thiab thaum uas tej zaum yuav suab zoo li raug hyperbole, nws yog ib tug ntawm cov tsis tshua muaj heev zaus uas neeg pab leg ntaubntawv yog ua tau tseeb. Txij li thaum OLED yuav ua tau ib tug zoo meej dub, emitting tsis muaj teeb los xij, nws zoo ratio (qhia raws li lub brightest dawb muab faib los ntawm lub tsaus ntuj tshaj plaws dub) yog technically infinite. Thiab zoo ib piv arguably tseem ceeb tshaj plaws nam ntawm daim duab zoo.

OLED yog tus tsuas yog technology muaj peev xwm ntawm meej dub thiab tsis tshua muaj kaj dawb rau ib tug ib-pixel hauv paus. LCD mas nws yeej tsis ua li ntawd, thiab txawm lub vaunted, hlub, dearly ncaim ntshav yuav tsis ua tsis dub.

Yog vim li cas muaj peev xwm tsis LCD ua li ntawd? Cov kua siv lead ua uas ua rau ib tug LCD ib tug LCD tsuas blocks lub teeb uas tsim los ntawm nws cov backlight. Yeej zoo li muab looj tsom iav dub nyob rau hauv pem hauv ntej ntawm ib tug tswm ciab. Txawm qhov zoo tshaj plaws LCDs yuav tsis tau kiag li thaiv tag nrho cov teeb, li ntawd, nyob rau hauv thiaj li yuav tau cov neeg inky movie-theatre zoo li dub, koj yuav tsum tig lub backlight down (tus "tswm ciab").

Nyob rau hauv lub feem ntau LCDs, tag nrho backlight ua hauj lwm ua ib tug, dimming tag nrho screen (yog hais tias). Local dimming LED LCDs yog nyob deb zoo dua, tab sis tseem tsuas dim thiab brighten kuj loj seem ntawm lub screen ntawm nws tus kheej. OLED TVs ' "dimming," rau lwm cov tes, ua hauj lwm nyob rau hauv ib tug ib-pixel hauv paus. Yog li ntawd thaum lub sij hawm zoo tshaj plaws lub zos dimming LED LCDs yuav muaj 6 los yog 12 los yog 64 los yog 300 dimming aav ntawm qhov screen, ib tug 4K OLED TV muaj ntau tshaj li 8 lab.

OLED tsis muaj huab teeb tso zis ntawm qhov zoo tshaj plaws tam sim no-tiam LCD TV, tiam sis nws tseem heev ci, muaj zoo dub rau ib tug zoo dua zoo ratio, thiab muaj peev xwm dim thiab brighten qhov screen rau ib tug ib-pixel hauv paus. Yog li ntawd TV qhia thiab tsos - los ntawm standard-def rau high-def rau 4K nrog High Dynamic khwv - tiag tiag pop.

Tam sim no, tag nrho cov OLED TVs no yog los ntawm LG, thiab yuav ua li cas lawv twb ua rau lawv yog es txawv txawv. Tag nrho cov TVs, los tsim cov dluab koj saib, siv liab, ntsuab, thiab xiav mixed ua ke los tsim tag nrho cov xim ntawm tus zaj sawv (zoo, tsis heev tag nrho cov xim, tab sis feem ntau). Yuav kom ua tau ib lub kob lub teeb, LCDs siv RGB xim cov ntxaij lim dej, thaum plasmas siv RGB phosphors thiab Samsung 's luv luv-lived OLED TV (thiab tag nrho lawv OLED-kuaj tooj ntawm tes) siv liab, ntsuab thiab xiav OLED ntsiab.

LG lub OLED tsuas siv ob tug xim: ib tug nyuaj ntawm xiav thiab daj OLED. Tom qab ntawd, xim cov ntxaij lim dej, cov daj thiab xiav lub teeb yog lim los tsim liab, ntsuab thiab xiav. Yuav kom ntxiv ib me ntsis ntau brightness, muaj kuj yog ib tug ntshiab "dawb" lub caij, ib yam nkaus thiab.

Tab sis qhov no yog nkawd khib thiab convoluted, nws obviously ua hauj lwm txij li thaum LG yog lub tuam txhab xwb uas tau ntse marketed loj-screen OLED TVs nyob rau hauv cov zauv. Qhov no yog vim hais tias nws yog ntau nqi-zoo ua ( "ntau" ua lub ntsiab lus muaj).

Lub khees downsides, xws li lub teeb tso zis thiab xim raug, tsis txhob zoo li yuav tej teeb meem. Nco ntsoov, tsuav yog tsis li kaj li cov brightest LCDs, tab sis lawv yeej tseem heev ci, thiab lub 2016 qauv muaj ib co ntawm cov widest P3 xim gamut coverages CNET tau ntsuas.

Feem ntau ntawm cov ntaub ntawv saum toj no yog raws li nyob rau hauv dab tsi LG hais rau kuv thaum kuv sau tas los version ntawm qhov tsab xov xwm nyob rau hauv 2014. Thaum nug kom paub tseeb qhov no yog tseem yuav ua li cas LG OLEDs ua hauj lwm, thiab yog hais tias txhua yam uas tau hloov lawm, ib tug LG spokesperson teb hais tias, "Peb tuaj lub efficiency thiab xim gamut los hloov cov ntaub ntawv thiab cov qauv, tab sis peb tsis tawm tswv yim rau cov ntsiab lus raws li lawv muaj pub leej twg paub. "

Feem ntau lo lus nug uas kuv tau txais txog OLED TVs yog hais txog yuav ua li cas ntev lawv yuav kav. Lub xiav OLED cov ntaub ntawv uas yog ib txwm luv luv-lived tshaj lwm yam "flavors" ntawm OLED. Tab sis tos! Kuv hnov koj quaj qw hais tias. Xav tsis yog hais tias txhais li cas rau hauv lub LG tseem TV yuav tuag tawm ntawm tus ceev xiav tus nqi, vim txhua txhua pixel sib txuas ntxiv ntawm cov kob xiav? Thaj pairing cov kob xiav OLED nrog daj, raws li LG puas tau, muab thiav cov kev pab cuam.

Raws li LG tus spokesman: "Peb tau ruaj ib lifespan rau OLED TV tus ntau tshaj 50,000 teev, uas yog feem ntau ntev tshaj li pa TVs." Yog li ntawd, yog hais tias koj saib rau lub sij hawm ntawm TV ib hnub twg, uas yog tshaj 22 xyoo ntawm kev siv.

Thaum kawg, uas yog ntev npaum li cas lawv cia siab tias tus vaj huam sib luag los nag. Nyob rau feem ntau niaj hnub TVs ntawm tej cuab yeej, nws yog lub hwj huam mov uas tuag ntev ua ntej cov vaj huam sib luag. Tsis hais tias ib tug TV yuav niaj hnub no tej zaum yuav tsis muaj peev xwm tau kev cob cog rua rau txhua yam nyob rau hauv 22 xyoo (ib yam li TVs circa 1994 yog obsolete niaj hnub no). Tab sis hais tias yog rau ib tug txawv tsab xov xwm.

ike tej technology, peb mam li pom loj, pheej yig dua thiab zoo dua OLEDs los ntawm LG, yam tsawg kawg nyob rau hauv lub sij hawm luv luv. Txawm li cas los, nws yuav tsum txhawj txhua kiv cua ntawm poj duab zoo tias tsuas yog ib tug tuam txhab yog ua OLED TVs. Yog hais tias tsis muaj dab tsi lwm tus, kev sib tw los ntawm lwm txiag yuav tsum tsav down nqi.

Nrog Samsung seemingly conceding lub OLED TV qhov chaw rau LG, Sony thiab Panasonic tus me nyuam ua MIA los yog txwv rau cov teb chaws Europe zoo li Philips, thiab tsis muaj suav chaw tsim tshuaj paus ua loj inroads, nws tsis zoo li lwm leej lwm tus yuav lwv tiv thaiv LG nyob rau hauv cov huab hwm coj kev ua lag luam txhua sij hawm sai sai . Nyob rau lwm cov tes, LG yuav expanding tus xov tooj ntawm cov qauv, ntau thiab tsawg pab thiab tus nqi cov ntsiab lus, uas yog ib tug zoo kos npe rau.

Ib qho ntawm feem pheej tam sim no LCD technologies yog quantum dots. Cov me hais ci ib yam xim thaum koj muab rau lawv lub zog. Muaj ntau tshiab TVs tau thephotoluminescent version, nrog dots uas ci ib lub cev nqaij daim tawv thaum ntaus nrog lub teeb (feem ntau yog lub teeb los ntawm ib tug LED backlight). Cov kev pab LED LCDs tau ntxaum xim yuav tsum tau ntawm cov Dav Xim gamut nam ntawm High Dynamic khwv (HDR).

Down txoj kev ib tug me ntsis farther yog lub electroluminescent version ntawm no technology. Tsis LED backlight ntawm tag nrho cov; cia li pixels ua los ntawm quantum dots. Cov direct-saib quantum dot qhia, "QLED" yog hais tias koj yuav, yuav tsum muaj tag nrho cov kev pab cuam ntawm OLED ntawm txawm cheaper nqi. Qhov no yog ib yam dab tsi Samsung yog tab tom nrhiav rau hauv, txij li thaum lawv yuav tsis tau OLED mus ua hauj lwm nyob rau hauv loj screen ntau thiab tsawg pab.

Tej zaum feem ntau interesting, cov no yog cov tsis nrog kom technologies. Quantum dots (lub photoluminescent version) tsis tshua tu zoo li cas ntawm lub teeb koj muab rau lawv. Yog li ntawd koj yuav muaj ib tug OLED cov ntaub ntawv uas tsim ib cov xim ntawm lub teeb, nrog quantum dots tsim lub lwm yam xim (es tsis txhob ntawm cov xim cov ntxaij lim dej). Tej zaum tus ntawd yuav tsum QOLED ( "Quoh-lead")? Q-DOLED ( "Que- doh -lead")?

Ua li cas, peb yuav pom.