Xir xayeysiis

Si kastaba ha ahaatee kiniiniga si fiican loo qaabeeyey oo sifada leh ayaa laga yaabaa, heerka ku qanacsanaanta isticmaale ee alaabtan oo kale waxay inta badan ku saleysan tahay isdhexgalka bandhigiisa. Ka dib oo dhan, waxaad samaynaysaa dhammaan ficillada isaga. Laakiin LCD, OLED ama mini-LED miyay ka fiican yihiin, maxaase mustaqbalka u yaal? 

LCD 

Bandhiga dareeraha ah ee crystal (Liquid Crystal Display) waa kan ugu baahsan sababtoo ah waa xal fudud, raqiis ah oo la isku halleyn karo. Apple waxa ay u isticmaashaa iPad-ka jiilka 9-aad (Retina bandhigay), jiilka 4-aad iPad Air (Liquid Retina display), jiilka 6-aad iPad mini (Liquid Retina display), iyo waliba 11-inji iPad-ka jiilka 3-aad . Si kastaba ha noqotee, inkasta oo ay tahay LCD fudud, Apple si joogto ah ayey u cusbooneysiineysaa, taas oo ah sababta aysan u ahayn calaamadda Liquid oo keliya, laakiin waxaa lagu arki karaa, tusaale ahaan, isdhexgalka ProMotion ee moodooyinka Pro.

LED-yar 

Hadda, wakiilka kaliya ee iPad-yada ka tirsan ee bixiya tignoolajiyada bandhiga ee aan LCD ahayn waa 12,9 ″ iPad Pro (jiilka 5aad). Bandhigeeda Liquid Retina XDR waxaa ka mid ah shabakad 2D ah oo nalalka gadaal-yar ee LED-ka ah, taas oo ay ugu mahadcelinayso taas oo bixisa aagag aad u daran marka loo eego bandhigga LCD ee caadiga ah. Faa'iidada cad ee halkan waa isbarbardhigga sare, muujinta tusaalaha ah ee nuxurka HDR iyo maqnaanshaha gubashada pixel, taas oo bandhigyada OLED ay ku dhici karto. 14 iyo 16 ″ MacBookga cusub ayaa caddeeyey in Apple ay aaminsantahay tignoolajiyada. 11-inch iPad Pro ayaa sidoo kale la filayaa in la helo bandhigga noocaan ah sanadkan, su'aashu waxay tahay sida iPad Air (iyo 13" MacBook Pro iyo MacBook Air) ay noqon doonaan.

OLED 

Si kastaba ha noqotee, mini-LED wali waa heshiis gaar ah oo u dhexeeya LCD iyo OLED. Hagaag, ugu yaraan marka laga eego aragtida alaabada Apple, oo kaliya u adeegsata OLED iPhones iyo Apple Watch. OLED waxay leedahay faa'iido cad oo ku jirta LED-yada dabiiciga ah, kuwaas oo si toos ah u metelaya pixels-yada la bixiyay, ka taxadar inay sii daayaan sawirka ka dhashay. Kuma tiirsana iftiin dambe oo dheeraad ah. pixels-ka madow halkan runtii waa madow, kaas oo sidoo kale badbaadiya batari aaladda (gaar ahaan qaabka mugdiga ah). 

Oo waa OLED ay ku tiirsan yihiin soosaarayaasha kale kuwaas oo si toos ah uga soo wareegay LCD. Tusaale ahaan. Samsung Galaxy Tab S7+ Waxay bixisaa 12,4 "Super AMOLED iyo xallinta 1752 × 2800 pixels, taas oo u tarjumaysa 266 PPI. Lenovo Tab P12 Pro waxay leedahay shaashad AMOLED ah oo leh muraayad muuqaal ah oo ah 12,6 inji iyo xallinta 1600 × 2560 pixels, i.e. 240 PPI. Huawei MatePad Pro 12,6 waa kiniin 12,6" ah oo leh xallinta 2560 × 1600 pixels OLED bandhigay oo leh 240 PPI. Marka la barbardhigo, 12,9 "iPad Pro wuxuu leeyahay 2048 x 2732 pixels oo leh 265 PPI. Halkan, sidoo kale, waxaa jira qiime cusub oo 120Hz ah, in kasta oo aan la qabsan karin.

AMOLED waa soo gaabinta Firfircoon Matrix Organic Light Emitting Diode (Diode nalka organic oo leh matrix firfircoon). Bandhigga noocaan ah waxaa badanaa lagu isticmaalaa bandhigyo waaweyn, maadaama PMOLED loo isticmaalo kaliya qalabka ilaa 3" dhexroorka ah. 

Micro-LED 

Haddii aadan eegin astaanta, dhamaadka ma haysatid wax badan oo aad ku kala dooran karto teknoolojiyadda. Moodooyinka ka jaban badanaa waxay bixiyaan LCD, kuwa qaaliga ah waxay leeyihiin noocyo kala duwan oo OLED ah, kaliya 12,9 ″ iPad Pro ayaa leh mini-LED. Si kastaba ha ahaatee, waxaa jira laan dheeraad ah oo suurtagal ah oo aan arki doono mustaqbalka, taas oo ah micro-LED. Nalalka LED-yada halkan jooga ilaa 100 jeer way ka yar yihiin LED-yada caadiga ah, waana crystals inorganic. Marka la barbardhigo OLED, waxaa sidoo kale jira faa'iido nolosha adeegga dheer. Laakiin wax-soo-saarka halkan aad buu qaali u yahay ilaa hadda, markaa waa inaan sugnaa inta badan ee la diri karo.

Markaa tillaabooyinka Apple halkan waa kuwo la saadaalin karo. Waxay horeba si buuxda ugu wareejisay OLED tiro iPhones ah (su'aashu waxay tahay maxay sanadkan iPhone SE jiilka 3aad keeni doona), laakiin waxay ku sii jirtaa LCD ee iPads. Haddii la wanaajin doono, waxaa lagu wanaajin doonaa gudaha mini-LED, wali aad ayey ugu horaysa OLED, sidoo kale sababtoo ah qiimaha sare ee wax soo saarka. 

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