Idan 2018 shekara ce ta fasaha mai girma na nuni, ba ƙari ba ne.Ultra HD 4K ya ci gaba da zama madaidaicin ƙuduri a cikin masana'antar TV.High Dynamic range (HDR) ba shine babban abu na gaba ba saboda an riga an aiwatar da shi.Haka lamarin yake ga allon wayar hannu, wanda ke ƙara fitowa fili saboda ƙaƙƙarfan ƙuduri da ƙimar pixel kowane inch.
Amma ga duk sabbin abubuwa, muna buƙatar yin la'akari da gaske bambance-bambance tsakanin nau'ikan nunin biyu.Dukkan nau'ikan nunin suna bayyane akan na'urori, talabijin, wayoyin hannu, kyamarori, da kusan kowace na'urar allo.
Daya daga cikinsu shine LED (Light Emitting Diode).Shi ne nau'in nunin da aka fi sani a kasuwa a yau kuma yana da fasaha iri-iri.Koyaya, ƙila ba ku saba da irin wannan nunin ba saboda yana kama da alamar LCD (Liquid Crystal Display).LED da LCD iri ɗaya ne ta fuskar amfani da nuni.Idan an yiwa allon "LED" alama akan TV ko smartphone, hakika allon LCD ne.Bangaren LED yana nufin tushen haske kawai, ba nunin kanta ba.
Bugu da kari, OLED ne (Organic Light Emitting Diode), wanda galibi ana amfani da shi a cikin manyan wayoyin hannu masu inganci kamar iPhone X da sabuwar iPhone XS.
A halin yanzu, a hankali na'urorin OLED suna yawo zuwa manyan wayoyin Android, irin su Google Pixel 3, da manyan TVs irin su LG C8.
Matsalar ita ce wannan fasahar nuni ce ta daban.Wasu mutane suna cewa OLED shine wakilin nan gaba, amma yana da kyau fiye da LCD?Sannan, da fatan za a biTopfoisondon ganowa.A ƙasa, za mu bayyana bambance-bambance tsakanin fasahohin nuni guda biyu, fa'idodin su da ka'idodin aiki.
Bambanci
A takaice, LEDs, allon LCD suna amfani da hasken baya don haskaka pixels, yayin da OLED pixels ke haskaka kansu.Wataƙila kun ji cewa ana kiran pixels OLED "hasken kai" kuma fasahar LCD "mai watsawa ce".
Hasken da nunin OLED ke fitarwa ana iya sarrafa pixel ta pixel.LED Liquid crystal nuni ba zai iya cimma wannan sassauci ba, amma kuma suna da rashin amfani, wandaTopfoisonza a gabatar a kasa.
A cikin ƙananan farashin TV da wayoyin LCD, nunin kristal ruwa na LED suna amfani da "hasken gefen" inda LEDs suke a zahiri a gefen nuni maimakon a baya.Sannan, hasken waɗannan LEDs yana fitowa ta cikin matrix, kuma muna ganin pixels daban-daban kamar ja, kore, da shuɗi.
Haske
LED, LCD allon ya fi OLED haske.Wannan babbar matsala ce a masana'antar TV, musamman ga wayoyin hannu waɗanda galibi ana amfani da su a waje, a cikin hasken rana.
Yawanci ana auna haske cikin sharuddan "nits" kuma shine kusan hasken kyandir a kowace murabba'in mita.Hasken haske mafi girma na iPhone X tare da OLED shine nits 625, yayin da LG G7 tare da LCD na iya cimma mafi girman haske na nits 1000.Ga TVs, hasken ya ma fi girma: Samsung's OLED TVs na iya samun haske sama da nits 2000.
Haske yana da mahimmanci lokacin kallon abun ciki na bidiyo a cikin hasken yanayi ko hasken rana, haka kuma don babban bidiyo mai ƙarfi.Wannan aikin ya fi dacewa da TV, amma yayin da masana'antun wayar hannu ke ƙara yin alfahari da aikin bidiyo, haske kuma yana da mahimmanci a wannan kasuwa.Mafi girman matakin haske, mafi girman tasirin gani, amma rabin HDR kawai.
Kwatancen
Idan ka sanya allon LCD a cikin ɗakin duhu, za ka iya lura cewa wasu sassa na ƙaƙƙarfan hoton baƙar fata ba a zahiri ba ne baƙar fata, kamar yadda har yanzu ana iya ganin hasken baya (ko hasken gefen).
Samun damar ganin fitilun da ba a so ba zai iya rinjayar da bambanci na TV, wanda kuma shine bambanci tsakanin mafi kyawun haske da inuwa mafi duhu.A matsayin mai amfani, sau da yawa kuna iya ganin bambanci da aka kwatanta a cikin ƙayyadaddun samfur, musamman don TV da masu saka idanu.Wannan bambanci shine don nuna muku yadda aka kwatanta launin farin na duban da baƙar fata.Allon LCD mai kyau yana iya samun bambanci na 1000: 1, wanda ke nufin cewa farin ya fi baƙi haske sau dubu.
Bambancin nunin OLED ya fi girma.Lokacin da allon OLED ya zama baki, pixels ɗin sa ba sa samar da wani haske.Wannan yana nufin cewa kuna samun bambanci mara iyaka, kodayake bayyanarsa yayi kyau dangane da hasken LED lokacin da aka kunna ta.
Hankali
Fuskokin OLED suna da kyawawan kusurwoyi na kallo, galibi saboda fasahar siriri ce kuma pixels suna kusa da saman.Wannan yana nufin zaku iya kewaya OLED TV ko ku tsaya a sassa daban-daban na falo kuma ku ga allon a sarari.Ga wayoyin hannu, kusurwar kallo na da matukar muhimmanci, domin wayar ba za ta yi daidai da fuska ba a lokacin da ake amfani da ita.
The kusurwar kallo a cikin LCD yawanci matalauta ne, amma wannan ya bambanta sosai dangane da fasahar nuni da ake amfani da ita.A halin yanzu akwai nau'ikan bangarori daban-daban na LCD a kasuwa.
Watakila mafi mahimmanci shine TNdied Nematic (TN).Ana amfani da wannan fasaha wajen nunin kwamfuta maras tsada, kwamfutar tafi-da-gidanka marasa tsada, da wasu wayoyi masu rahusa.Yanayinsa yawanci matalauta ne.Idan kun taɓa lura cewa allon kwamfutar yana kama da inuwa daga wani kusurwa, to tabbas yana da murɗaɗɗen nematic panel.
Abin farin ciki, yawancin na'urorin LCD a halin yanzu suna amfani da panel IPS.IPS (Tsarin Jirgin sama) a halin yanzu shine sarkin faifan kristal kuma gabaɗaya yana ba da kyakkyawan aikin launi da ingantaccen kusurwar kallo.Ana amfani da IPS a yawancin wayoyi da Allunan, adadi mai yawa na na'urorin kwamfuta da talabijin.Ya kamata a lura cewa IPS da LED LCD ba su bambanta da juna ba, kawai wata mafita.
Launi
The latest LCD fuska samar da dama na halitta launuka.Koyaya, kamar hangen nesa, ya dogara da takamaiman fasahar da aka yi amfani da ita.
Fuskokin IPS da VA (tsaye na tsaye) suna ba da kyakkyawan daidaiton launi idan an daidaita su yadda ya kamata, yayin da allon TN sau da yawa ba sa yin kyau sosai.
Launin OLEDs ba ya da wannan matsalar, amma OLED TV na farko da wayoyin hannu suna da matsala wajen sarrafa launi da aminci.A yau, halin da ake ciki ya inganta, kamar Panasonic FZ952 jerin OLED TVs har ma na Hollywood masu zane-zane masu launi.
Matsalar OLEDs shine adadin launi.Wato, yanayi mai haske na iya yin tasiri akan ikon OLED panel don kula da jikewar launi.
Lokacin aikawa: Janairu-22-2019