ITeknoloji yokuThelekisa iTeknoloji

Plasma vs LCD vs LED vs DLP

Enoba uphando nge-TV entsha kwi-intanethi okanye ukhangela imizekelo emitsha kwiivenkile , uza kufumana ubuchwepheshe obuninzi abavelisi abaqhelekileyo basebenzisa kwiisethi ze-HDTV zanamhlanje. Zonke zinomgangatho ofanayo okhangelekayo wokukora umfanekiso - kodwa "iresiphi" nganye ineziphumo kunye neengxaki. Ezi zinto zifanelekile ukwazi malunga nokuthenga i-TV entsha . Ngexesha lophando lwakho, gcinani engqondweni ukuba yindawo ekuya kuyo, kungekhona uhambo; umfanekiso omnandi weTV ngumfanekiso omnandi weTV kungakhathaliseki ukuba kusetyenziswe iteknoloji.

ITVs

I-Plasma yayiyi-teknoloji yokuqala ye-TV ephathekayo ekwazi ukuvelisa imifanekiso emihle kwimifanekiso yasesikhatyweni esisekhaya yase-42 "nangaphezulu. Nangona iingcali ezininzi ezenza iplasma ivelise umfanekiso obalaseleyo, i-TV ye-plasma ayisenziwanga ngenxa yokunciphisa isabelo semarike yeeLCD TV.

I-TV yeLCD

Nangona kuthathe ixesha elithile le- LCD (ukubonakalisa i-crystal display) ukufumana ngokuvumelana nokwamkelwa kweemarike kunye nexabiso, oku ngoku kuyona iteknoloji yeTV ebonakalayo kakhulu kwaye ifumaneka kwiinkalo zengqondo, ezinobungakanani kunye nokukhethwa komzekelo. Ngenxa yoluhlu olubanzi, umgangatho womfanekiso unokuhluka kakhulu, ngamanye amaxesha phakathi kweemodeli ezahlukileyo kwi-brand efanayo.

I-LCD Benevantages

I-TV ye-LCD yenzelwe ukuvimba ukukhanya kwangaphandle, oku kuthetha ukuba izikrini zabo zihlala zingabonakali kwaye ukukhanya okuvela kwesikrini kudla ngokugqithiseleyo kunezinye ubuchwepheshe. I-TV ye-LCD iphinda ivelise ubushushu obuncinane kwaye idla umbane ongaphantsi. I-TV ye-ELCD ikhuselekile kwikrini "ukutshisa" kwaye yinto ekhethekileyo xa imifanekiso eseleyo inxalenye enkulu yeemfuno zakho zokubukela. Ekugqibeleni, i-LCD iya kukunika ukhetho olukhulu lwamanani kunye nobukhulu besikrini.

LCD Drawbacks

Ngaphezulu kwamanye ubuchwephesha beTV, ii-LCD iiTV zihluka kakhulu kumgangatho wesithombe. Oku kuyimpembelelo yemvelo yenani elikhulu lemodeli ekhoyo, kodwa nangenxa yokuba i-LCD iyanconywa ukuvelisa kwaye abaninzi abenzi balwela ukubetha amanqaku amanqanaba aphantsi, ngokukodwa kwimilinganiselo yezinga lokungena. Ingxaki enkulu yeTheknoloji yeLCD imifanekiso ehamba ngokukhawuleza; kwezinye iiseti, ungabona umzila weepikseli okanye i-"blocky" ekhangayo ngokukhawuleza. Abavelisi bazama ukulungisa oku kunye nokuphucula "amanqaku" athile, ngamanye amaxesha ngempumelelo, ngamanye amaxesha angaphantsi koko. Iingqungquthela zeeLCD eziqhelekileyo nazo azivelisi umbala omnyama kunye nobuchwephesha, obangela ukuba iinkcukacha ezingaphantsi kunye nokungafani nakwezinye indawo. Ekugqibeleni, umfanekiso kwii-TV ezininzi ze-LCD ibonakala ngokuhlukileyo xa ubukela ukusuka kwindawo ephakamileyo.

IiTV zeTV

I-LED (i-diode yokukhanya ekhanyayo) I-TV ziyi-LCD yeTV ngeendlela ezahlukeneyo zokuvelisa ukukhanya. Wonke umboniso wesiseko se-LCD ufuna ukuba iipekseli zayo "zikhanyiswe" ukuze kuveliswe imifanekiso. Kwiiseti eziqhelekileyo ze-LCD, isibane se-fluorescent ngasemva kwesetyenzisiwe sisetyenzisiweyo, kodwa kwi-LED iseti, izibane ezincinci kunye neendlela ezisebenza kakuhle ze-LED zitshintsha oku. Kukho iintlobo ezimbini ze-TV ze-LED. Omnye wabo ubizwa ngokuba ngu-LED "umbane wokukhanya" - endaweni yesibane esikhulu emva kweepikseli, izibane ezincinci ze-LED ezijikeleze umgca wesikrini zisebenzisa. Le ndlela yabiza nge-LED. Kwindlela ecacileyo (kunye nexabiso eliphezulu) "ye-local dimming" indlela ye-LED, imiqolo emininzi yezibane ze-LED zibekwa ngasemva kwesikrini kwaye vumela iipekseli zendawo "zendawo" ukuba ziphephe okanye zivaliwe ngokupheleleyo, kuxhomekeke kwiimfuno zesikhashana zenkqubo ubukele. Oku kubangela ukuhluke ngakumbi.

Iimpawu Zomoya

Ngenxa yokuba ukukhanya kwe-LED kukhanya ngakumbi kwaye kunempumelelo kunokuba ukukhanya kwe-fluorescent, umfanekiso kwi-TV ye-LED "pops" ngaphezu kwe-LCD yesiqhelo, ngokubhekiselele kokucacileyo kunye neenkcukacha, ngokuqhelekileyo kufikelela kumgangatho wesithunzi weeteksi zePlasma ezingcono. Oku kuyinyani ngokukodwa kwiiseti ze-LED zokudibanisa, ezibizwa nangokuthi "i-LED epheleleyo". I-LED isebenzisa ukuba iteknoloji yokukhanyisa i-"edge" ephantsi kakhulu ingenziwa yincinci - ingaphantsi kwee intshi. Ngelixa lihle kwizinga lezonyakatho, le mpu melelo ayinasiphumo kumgangatho wesithombe. Zombini iintlobo ze-TV ze-TV zinamandla ngakumbi kune-plasma okanye i-LCD ye-TV eqhelekileyo, oko kuthetha ukuba umbane ongezantsi kunye nekhaya elitshintshileyo.

I-LED Drawbacks

I-TV ze-LED zinokubiza ngaphezu kwee-TV ze-LCD kwaye zikhetha ezimbalwa kwi-TV ye-LED; awuyi kufumana amanqaku amaninzi okanye ubukhulu besikrini ongakhetha kuyo. Kwakhona, ekubeni i-LED iyinqobo yeTheknoloji yeLCD, ukujonga i-angle yinkinga; Umgangatho wesithombe unokuhluka uma uhlala kwindawo ephezulu kwi-TV.

I-TV yeDLP

Nangona ininzi yeemarike ishintshele kwi-TV-screen-screen, abaninzi abenzi beprojekthi baqhubeka nokubonelela nge-"screen-back screen-screen" ye-TV esekelwe kwi- Digital Light Processing (DLP) eyenziwe yiTexas Instruments ekuqaleni kwawo-1990. Lobu buchwepheshe obufanayo bokusetyenziswa kwedijithali kwimiboniso yee-movie kunye nokusebenzisa i-chip kunye nezigidi zezibuko ezincinane ezibonisa ukukhanya (kunye nemifanekiso) kwisikrini esekelwe kwiimfuno zenkxaso yangempela yenkcazelo yeprogram. Nangona la maTV ayikho cwaka, azinjengeenkcazo ezinjengee-TV zangaphambili ze-analog kwaye ziza kuluhlu olumangalisayo lweeskrini ezinkulu.

DLP Inzuzo

I-DLP yitheknoloji evuthiweyo enokukwazi ukubonakalisa umgangatho wesithombe ovelele. Isebenza kakuhle kumagumbi aqaqambileyo okanye amnyama kwaye ineempawu ezibonakalayo zokujonga izinto. Ukongezelela kumgangatho womfanekiso, inzuzo enkulu ye-DLP yi-bang ye-buck - unokufumana iskrini esikhulu se-DLP kwisikrini esincinane kunomfanekiso wesikrini esicatshulwayo ophezulu, kwaye kwimeko yezikhulu ezinkulu (amasentimitha ama-60 nangaphezulu) ngenxa yemali encinane. Ii-TV ze-DLP nazo ziyafumaneka kwiimodeli ze-3D.

DLP Iintsilelo

I-TV ye-DLP ayilanga. Uza kufuna indawo eninzi ye-shelf (okanye indawo yendawo) kwi-TV ye-DLP, kodwa ukuba unayo igumbi kwaye ungacingi ukuba i-TV yakho ayikho cala, akuyona ingxaki.