Kua hu cov lus ntawm iPhone ib "Retina Display," nws hais tias nws muab ntau pixels tshaj tib neeg lub qhov muag pom tau - ib daim ntawv foob uas tau tawm tsam los ntawm ib co kws txawj.
Tus iPhone 4 yog thawj iPhone los nruab nrog Retina Display nrog ib tug pixel ceev ntawm 326ppi (pixels ib nti). Thaum tshaj tawm xov tooj , Apple's Steve Jobs hais tias 300ppi yog "tus nab npawb khov kho," vim nws yog qhov txwv ntawm tib neeg retina kom paub qhov txawv pixels. Thiab, raws li cov cuab yeej nta ib qho khoom nrog pixel ntom ntawm ntau tshaj 300 tawmppi, Cov hauj lwm tau thov tias cov ntawv nyeem yuav tshwm sim meej thiab smoother dua puas tau ua ntej.
Lub Retina Zaub Tom Qab 2010
Txij thaum lub tso tawm ntawm lub iPhone 4 nyob rau hauv 2010, txhua txhua lub xov tooj ntawm iphone tau ntaus ib Retina Display, tab sis qhov pom loj thiab kev daws teeb meem tau raug hloov dhau lub xyoo. Nws tau nrog iPhone 5, thaum Apple pom tau hais tias nws yog lub sij hawm thaum kawg ua rau lub npo loj los ntawm 3.5 nti mus rau 4-nti, thiab nrog qhov kev hloov ntawd tuaj yeem hloov qhov kev daws teeb meem - 1136 x 640. Txawm tias lub tuam txhab siv ntau dua ua ntej, qhov tseeb pixel ceev tau tib yam ntawm 326ppi; classifying nws ua Retina zaub.
Txawm li cas los xij, tus qauv 4-nti tseem yog tsawg dua piv rau smartphones tsim los ntawm nws cov neeg sib tw, lawv ntaus pob ncaws pob li ntawm 5.5-5.7-nti, thiab tib neeg zoo li lawv. Nyob rau hauv 2014, Cupertino launched tus iPhone 6 thiab 6 Ntxiv. Nws yog thawj zaug lub tuam txhab qhia ob flagship iPhones rau lub ntiaj teb tib lub sijhawm, thiab, vim li cas tom qab lawv yog tias ob qho tib si pab tau qhov sib txawv ntawm ntau qhov screen. Lub iPhone 6 tau ntim 4.7-inch zaub nrog kev daws teeb meem ntawm 1334 x 740 thiab pixel ntom ntawm 326ppi; dua, ua kom qhov pixel density raws nraim tib yam li ua ntej. Tab sis, nrog cov iPhone 6 Plus, lub tuam txhab tau nce lub pixel ceev - thawj zaug nyob rau hauv plaub lub xyoos - mus rau 401ppi raws li nws nruab ntaus ntawv nrog ib 5.5 "vaj huam sib luag thiab daws teeb meem Full HD (1920 x 1080).
Muab kho los ntawm Faryaab Sheikh