UbuchwephesheElectronics

Iplasma noma i-LCD - ukukhetha okunzima

Njengoba izinsuku zamabhayisikobho abamnyama nabamhlophe ziye "zishintsha ukungena" ngokuthula, amadivaysi ane-kinescope evamile kancane kancane awela phansi. Isizukulwane esisha se-TV-panel panel sithola kancane kancane imakethe ye-TV. Amanani kubo asevele ehlile kakhulu, futhi abathengi abaningi bacabanga ngalokho okuzoshintsha "ibhokisi" labo elingasebenzi. Futhi lapha kuphakama umbuzo wemvelo: yini engcono - i-plasma noma i-LCD TV.

Futhi ukuxazulula le nkinga, kubalulekile ukuqonda umehluko phakathi kwabo. Futhi kukhona umehluko phakathi kwabo, futhi zihlanganisa nemigomo ehlukene ngokuphelele yokuhambisa isithombe esibukweni. Ngamunye walabu buchwepheshe unobungozi kanye nezinzuzo. Futhi ukuthola ukuthi yikuphi okuhlukile kwe-TV ye-plasma kusuka e-LCD kungena kancane emlandweni wokwakha lobu buchwepheshe.

Ubuchwepheshe beLCD buyaziwa iminyaka engaphezu kwekhulu, kusukela ngo-1904. Okokuqala, amakristalu amanzi akhiwa ukuze athumele isithombe "esifile". Lezi yiziboniso zamawashi kanye nezibalo. Lokhu kwaqhubeka iminyaka eminingi, kuze kube yilapho lobu buchwepheshe busetshenziselwa kuqala abaqaphi bekhompiyutha, bese kuba ama-TV avamile.

Eqinisweni, ubuchwepheshe "be-plasma" butholwe ngo-1964. Kodwa okokuqala ngesikrini kwesikrini sethelevishini sasetshenziswa ngo-1998, ngesikhathi se-Winter Olympics e-Nagano. Lolu buchwepheshe lwenzeke ukuthi lusakaze isithombe esikrinini esikhulu , ubukhulu be- TVs bendabuko abukatholakali.

Futhi manje kufanelekile ukubhekana nemingcele esemqoka ye-TV, ezithakazelisayo kubathengi. Futhi enye yazo isayizi yeskrini. Kule mpikiswano - i-plasma noma i-LCD - i-plasma ihola. Okokuqala, ubukhulu obuncane besikrini se-plasma buyizingalo ezingu-32. Okwesibili, ama-TV ama-plasma ane-inches angu-42 ayeshibhile kunama-LCD-TV anesayizi efanayo. Kodwa iphuzu lokuqala akusebenzi njalo nge-plasma. Ngempela, akubona bonke abadinga ama-TV amakhulu, futhi akuwona wonke angakwazi ukukukhokhela. Ngakho-ke, engxenyeni yemakethe yamathelevishini ngezikrini ezincane, ukuncintisana okungalingani kwamakhemikhali amakhemikhali kungenziwa kuphela ngama-kinescopes omuhle.

I-Plasma noma i-LCD - lawabuchwepheshe ababili abukelwanga nje kuphela ngesayizi. Ukusetshenziswa kwamandla nakho akuyona into yokugcina. Futhi uma kamuva nje amaphaneli we-plasma aphendulela izinto zokubala ngokushesha kunama-LCD-TV, manje asetshenziswa ngokulinganayo kagesi. Okunye okuphikisanayo yi-parameter ye-TV njenge-angle yokubuka. Ngama-plasmas konke kucacile - kubo isithombe sihlala sicace ngaphakathi kwama-degree angu-160. Futhi abanye abakhiqizi bezikrini ze-LCD bathi bafinyelele i-angle yokubuka ama-degree angu-178. Kodwa lezi zibalo zibangela ukungabaza. Ngemuva kwalokho, isithombe kulezi zikrini sishaya futhi silahlekelwa umehluko ezincane ezincane.

Abantu abaningi abaye balala ngamabhayisikobho amnyama namhlophe, khumbula ukuthi bangaki ama-"Amarekhodi" nama "Birches" asebenzile. Ukuphila kwabo kokusebenza kwakulinganiselwa emashumini eminyaka. Futhi manje, lowo obhekene nokukhetha - i-plasma noma i-LCD - unesithakazelo sokuthi luzosiza kangakanani ukuthengwa kwalo okusha. Abakhiqizi be-LCD-display babika ukuthi "i-offsprings" yabo ingasebenza iminyaka engama-40, uma ihlanganisa isilinganiso samahora angu-4 ngosuku. Ngesikhathi esifanayo, isikhathi sokuphila samapaneli we-plasma kubhekwa njengesiqingatha. Kodwa ukufakazela lesi simemezelo kuzokwenzeka eminyakeni engu-10-20 kuphela, lapho "i-long-liver" yokuqala ivela "ngayinye". Futhi manje singasho ngokuqiniseka kuphela into: Izibonisi ze-LCD zinezidingo zesikhathi eside.

Esinye isici esibalulekile salolu daba - i-plasma noma i-LCD ukudluliswa kombala. Kulesi parameter, i-plasma izuza ngokukhethekile. Lokhu kutholakala ngendlela yokuvimbela ukukhanya kulawo maphaneli. E-plasma, amaphikseli angasebenzi avuliwe, ngakho-ke akukho ukukhanya ngaphandle kwesikrini. Futhi kubuchwepheshe be-LCD, ukukhanya kuhlale kungena emagcekeni egridiyeli yegrixel. Lokhu kunikeza imibala i-gray futhi ihlanekezela ama-shadow shades.

Futhi ngesikhathi esifanayo, izikrini ze-plasma zingabhekana nokushisa. Umthelela onjalo ungenzeka uma isithombe esiphezulu sikhishwa kuso isikhathi eside. Futhi i-phosphor "iphuma" kulowo "msebenzi" omkhulu. Lokhu kuzokwenza ukuthi isithunzi sesithombe esisele sitholakale esibukweni ngemva kwesikhashana. Futhi ama-TV e-LCD awahlupheki "isifo" esinjalo. Futhi, eziningi zemingcele yeTV zixhomeke kumenzi wempahla, unembeza wakhe. Futhi lokhu kusebenza kokubili ubuchwepheshe. Futhi yikuphi okuzokhetha, wonke umuntu unelungelo lokuzikhethela yena.

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