Apple imatcha kuwonetsera pa iPhone "Retina Display," kunena kuti imapereka pixel yambiri kuposa momwe maso a munthu angakhoze kuwonera - chidziwitso chomwe chatsutsidwa ndi akatswiri ena.
IPhone 4 inali iPhone yoyamba yobwera ndi Kuwonetsera kwa Retina ndi kuwerengeka kwa pixel ya 326ppi (pixels per inch). Polengeza foni , Steve Jobs adanena kuti 300ppi ndi "nambala ya matsenga," chifukwa ndilo malire a retina yaumunthu kuti azindikire mapikseli. Ndipo, monga chipangizochi chimakhala ndi mawonedwe a pixel osapitirira 300ppi, Jobs adanena kuti malembawo adzawoneka bwino komanso owala kuposa kale lonse.
Zojambula za Retina Pambuyo pa 2010
Kuyambira kukhazikitsidwa kwa iPhone 4 mu 2010, kusinthidwa kwa iPhone kulikonse kwasangalatsa Retina Display, koma kukula kwenikweni ndikuwonetseratu kusinthidwa pazaka. Zinali ndi iPhone 5, pamene Apple adazindikira kuti inali nthawi yomaliza kukula kwasankhulidwe kuyambira masentimita atatu mpaka masentimita 4, ndipo kusintha kumeneko kunasintha kusintha - 1136 x 640. Ngakhale kuti kampaniyo ikugwiritsa ntchito chigwirizano chapamwamba kuposa kale, mlingo wokhazikika wa pixel unasungidwa mofanana pa 326ppi; kuwonetsera ngati Retina Display.
Komabe, mawonetsero a masentimita 4 anali akadali ochepa poyerekeza ndi mafoni omwe opangidwa ndi omenyana nawo, anali masewera a masewera a 5.5-5.7-inches, ndipo anthu amawoneka akuwakonda. Mu 2014, Cupertino yatsegula iPhone 6 ndi 6 Plus. Imeneyi inali nthawi yoyamba kampaniyo inayambitsa ma iPhones awiri apadziko lonse panthawi imodzimodzi, ndipo chifukwa chachikulu chomwe chinali kumbuyo kwawo chinali chakuti zipangizo zonsezi zikuwonetsera kukula kwazithunzi. IPhone 6 yanyamula mawonetsedwe a 4.7-inchi ndi chigamulo cha 1334 x 740 ndi pixel mlingo pa 326ppi; kachiwiri, kusunga mlingo wa pixel chimodzimodzi ndi kale. Koma, ndi iPhone 6 Plus, kampaniyo inachulukitsa kuchuluka kwa pixel - kwa nthawi yoyamba mu zaka zinayi - mpaka 401ppi pamene idapanga chipangizochi ndi 5.5 "pota ndi kuthetsa kwa Full HD (1920 x 1080).
Kusinthidwa ndi Faryaab Sheikh