Ukuba i-2018 ngunyaka weteknoloji enkulu yokubonisa, akusiyo ukugqithisa.I-Ultra HD 4K iyaqhubeka isisisombululo esisemgangathweni kwishishini leTV.Uluhlu oluphezulu lwe-dynamic (HDR) ayiseyonto enkulu elandelayo kuba sele iphunyeziwe.Kuyafana nakwizikrini ze-smartphone, eziya zicaca ngakumbi nangakumbi ngenxa yokunyuka kwesisombululo kunye nobuninzi bepixel nge-intshi nganye.
Kodwa kuzo zonke izinto ezintsha, kufuneka siwuthathele ingqalelo ngokunzulu umahluko phakathi kwezi ntlobo zimbini zokubonisa.Zombini iintlobo zokubonisa ziyabonakala kwiimonitha, oomabonakude, iiselfowuni, iikhamera, kwaye phantse nasiphi na esinye isixhobo sesikrini.
Enye yazo yi-LED (i-Light Emitting Diode).Lolona hlobo luqhelekileyo lokubonisa kwiimarike namhlanje kwaye lunobuchwephesha obahlukeneyo.Nangona kunjalo, usenokungalwazi olu hlobo lomboniso kuba luyafana neleyibhile yeLCD (Liquid Crystal Display).I-LED kunye ne-LCD ziyafana ngokusetyenziswa komboniso.Ukuba isikrini "se-LED" siphawulwe kwi-TV okanye kwi-smartphone, ngokwenene sisikrini se-LCD.Icandelo le-LED libhekisa kuphela kumthombo wokukhanya, hayi umboniso ngokwawo.
Ukongeza, yi-OLED (i-Organic Light Emitting Diode), esetyenziswa kakhulu kwiifowuni eziphathwayo eziphezulu ezifana ne-iPhone X kunye ne-iPhone XS esanda kukhutshwa.
Okwangoku, izikrini ze-OLED zihamba ngokuthe ngcembe kwiifowuni eziphezulu ze-Android, ezifana neGoogle Pixel 3, kunye neeTV eziphezulu ezifana ne-LG C8.
Ingxaki kukuba le yitekhnoloji yokubonisa eyahlukileyo ngokupheleleyo.Abanye abantu bathi i-OLED ngummeli wekamva, kodwa ngaba ngokwenene ingcono kune-LCD?Emva koko, nceda ulandeleTopfoisonukufumanisa.Apha ngezantsi, siza kutyhila umahluko phakathi kobuchwephesha bokubonisa ezimbini, iinzuzo zabo kunye nemigaqo yokusebenza.
Umahluko
Ngamafutshane, ii-LED, izikrini ze-LCD zisebenzisa izibane zangasemva ukukhanyisa iipikseli zazo, ngelixa iipikseli ze-OLED zizikhanyisa ngokwazo.Usenokuba uvile ukuba iipikseli ze-OLED zibizwa ngokuba "zikhanyisela ngokwakho" kunye neteknoloji ye-LCD "idlulisa".
Ukukhanya okukhutshwe sisiboniso se-OLED kunokulawulwa ipixel ngepixel.Iziboniso zekristale zolwelo lwe-LED azikwazi ukufezekisa oku kuguquguquka, kodwa nazo zinemiqobo, leyoTopfoisonizakwazisa ngezantsi.
Ngexabiso eliphantsi leTV kunye neefowuni ze-LCD, iziboniso zekristale zolwelo lwe-LED zikholisa ukusebenzisa "ukukhanya komphetho" apho ii-LED zibekwe ecaleni kwesiboniso kunokuba ngasemva.Emva koko, ukukhanya okuvela kwezi LED kukhutshwa kwi-matrix, kwaye sibona iipikseli ezahlukeneyo ezinjengobomvu, eluhlaza, kunye nobhlowu.
Ukuqaqamba
I-LED, isikrini se-LCD sikhanya ngakumbi kune-OLED.Le yingxaki enkulu kwishishini leTV, ngakumbi kwii-smartphones ezihlala zisetyenziswa ngaphandle, ekukhanyeni kwelanga.
Ukukhanya ngokuqhelekileyo kulinganiswa ngokwe "nits" kwaye kuqikelelwa ukukhanya kwekhandlela ngemitha yesikwere.Ukuqaqamba okuqhelekileyo kwe-iPhone X ene-OLED zii-nits ezingama-625, ngelixa i-LG G7 ene-LCD inokufikelela kukukhanya okuphezulu kwee-nits eziyi-1000.Kumabonakude, ukuqaqamba kungaphezulu nangakumbi: IiTV ze-OLED zeSamsung zinokuqaqambisa ngaphezu kwe-nits ezingama-2000.
Ukukhanya kubalulekile xa ubukele umxholo wevidiyo ekukhanyeni okujikeleze okanye ukukhanya kwelanga, kunye noluhlu oluphezulu lwevidiyo.Lo msebenzi ufanelekile ngakumbi kumabonwakude, kodwa njengoko abavelisi beefowuni eziphathwayo besiya beqhayisa ngokusebenza kwevidiyo, ukukhanya kukwabalulekile kule marike.Ukuphakama kwenqanaba lokuqaqamba, kokukhona impembelelo yokubonwayo, kodwa sisiqingatha kuphela se-HDR.
Ukuthelekisa
Ukuba ubeka isikrini se-LCD kwigumbi elimnyama, unokuqaphela ukuba ezinye iindawo zomfanekiso omnyama oqinileyo azikho mnyama ngokwenene, njengoko isibane sangasemva (okanye isibane somphetho) sisenokubonakala.
Ukukwazi ukubona izibane ezingafunwayo kunokuchaphazela ukuchasana kweTV, okukwangumahluko phakathi kwezinto eziqaqambe kakhulu kunye nezithunzi ezimnyama.Njengomsebenzisi, ungabona rhoqo umahluko ochazwe kwiinkcukacha zemveliso, ngakumbi kwiiTV kunye nabahloli.Lo mahluko kukubonisa indlela eqaqambileyo ngayo umbala omhlophe wemonitha xa uthelekiswa nombala wayo omnyama.Iscreen seLCD esinesidima sinokuba nereyishini echaseneyo ye-1000:1, into ethetha ukuba umhlophe uliwaka ngokuqaqamba kunomnyama.
Umahluko wesiboniso se-OLED siphezulu kakhulu.Xa isikrini se-OLED sijika sibe mnyama, iipikseli zaso azivelisi kukhanya.Oku kuthetha ukuba ufumana umahluko ongenamkhawulo, nangona inkangeleko yayo ibonakala ilungile ngokuxhomekeke ekukhanyeni kwe-LED xa ikhanyisiwe.
Imbono
Iiphaneli ze-OLED zineengile ezibalaseleyo zokujonga, ngakumbi kuba itekhnoloji incinci kakhulu kwaye iipikseli zisondele kakhulu kumphezulu.Oku kuthetha ukuba unokuhamba ujikeleze i-OLED TV okanye ume kwiindawo ezahlukeneyo zegumbi lokuhlala kwaye ubone isikrini ngokucacileyo.Kwiifowuni eziphathwayo, i-angle yokujonga ibaluleke kakhulu, kuba ifowuni ayiyi kuhambelana ngokupheleleyo nobuso xa isetyenziswa.
I-angle yokujonga kwi-LCD idla ngokuba yintlupheko, kodwa oku kuyahluka kakhulu kuxhomekeke kubugcisa bokubonisa obusetyenzisiweyo.Kukho ngoku zininzi iintlobo ezahlukeneyo zeepaneli ze-LCD kwimarike.
Mhlawumbi eyona isisiseko yi-twisted nematic (TN).Le teknoloji iqhele ukusetyenziswa kwimiboniso yekhompyutheni ephantsi, iilaptops ezingabizi kakhulu, kunye nezinye iifowuni eziphantsi kakhulu.Umbono wayo udla ngokuba mbi.Ukuba ukhe waqaphela ukuba isikrini sekhompyuter sijongeka njengesithunzi ukusuka kwi-engile ethile, mhlawumbi yiphaneli yenematic ejijekileyo.
Ngethamsanqa, izixhobo ezininzi zeLCD ngoku zisebenzisa ipaneli ye-IPS.IPS (Ukuguqulwa kwePlane) okwangoku iyinkosi yeepaneli zekristale kwaye ngokubanzi ibonelela ngokusebenza kombala ongcono kunye ne-angle yokujonga ephuculweyo kakhulu.IPS isetyenziswa kwii-smartphones ezininzi kunye neetafile, inani elikhulu leemonitha zekhompyuter kunye nomabonakude.Kuyafaneleka ukuba uqaphele ukuba i-IPS kunye ne-LED LCD azihambelani, esinye isisombululo.
Umbala
Izikrini ze-LCD zamva nje zivelisa imibala yendalo emangalisayo.Nangona kunjalo, njengombono, kuxhomekeke kwitekhnoloji ethile esetyenziswayo.
Izikrini ze-IPS kunye ne-VA (Vertical Alignment) zibonelela ngokuchaneka kombala okugqwesileyo xa zilinganiswe ngokufanelekileyo, ngelixa izikrini ze-TN zihlala zingabonakali kakuhle.
Umbala we-OLED awunayo le ngxaki, kodwa ii-TV ze-OLED zangaphambili kunye neefowuni eziphathwayo zineengxaki ekulawuleni umbala kunye nokuthembeka.Namhlanje, imeko iye yaphucuka, njengothotho lwePanasonic FZ952 yeeTV ze-OLED nakwizitudiyo zokulinganisa imibala zaseHollywood.
Ingxaki ngeeOLED sisixa sazo sombala.Oko kukuthi, indawo eqaqambileyo inokuba nefuthe kubuchule bephaneli ye-OLED ukugcina ukugcwala kombala.
Ixesha lokuposa: Jan-22-2019