Ekuphishekeleni okuhlangenwe nakho kokugcina okubukwayo namuhla, ubuchwepheshe bokubonisa i-OLED (i-Organic Light-Emitting Diode) buya ngokushesha buyisixazululo esithandwayo sezikrini zedivayisi ye-elekthronikhi, ngenxa yokusebenza kwazo okuvelele. Ngokungafani nezikrini ze-TFT LCD zendabuko, i-OLED isebenzisa isimiso sokuzikhandla lapho iphikseli ngayinye ikhiqiza ukukhanya kwayo, iqeda isidingo semojula yokukhanya kwangemuva. Lesi sici sinika amandla cishe izilinganiso zokungafani ezingapheli, izikhathi zokuphendula ngokushesha, kanye nekhwalithi yesithombe ebukhali, ecacile—izinzuzo ezisenza sithandwe kakhulu abathanda isibonisi sezinga eliphezulu nabasebenzisi abangochwepheshe.
Njengamanje, ubuchwepheshe be-OLED buhlukaniswe ikakhulukazi i-PMOLED (Passive Matrix OLED) ne-AMOLED (Active Matrix OLED). Nakuba i-AMOLED isetshenziswa kabanzi kuma-electronics abathengi njengama-smartphones, i-PMOLED isaqhubeka nokubamba ukubaluleka okuphawulekayo kuzibonisi ezincane ukuya kweziphakathi nendawo ngenxa yendlela yayo yokushayela eyingqayizivele nokusebenza okuhle kakhulu. Ifaneleka ngokukhethekile izinhlelo zokusebenza ezifaka amadivayisi agqokekayo, amaphaneli okulawula ezimbonini, namasistimu ashumekiwe.
Ubuchwepheshe bokushayela buyinhliziyo yokuzuza izibonisi ze-OLED zekhwalithi ephezulu. Thatha i-IC yomshayeli we-SSD1306 esetshenziswa kabanzi njengesibonelo: ihlanganisa ubuchwepheshe obuningi obuthuthukisiwe obungagcini nje ngokunqoba ngempumelelo imikhawulo yempahla nenqubo kodwa futhi ethuthukisa kakhulu ukwenziwa ngokwezifiso kwemisebenzi yokubonisa:
Idrayivu yokuskena ye-Matrix: Ishayela kahle izibonisi ze-OLED ezinokulungiswa okuphezulu, ilawula kalula ukulawula amashumi ezinkulungwane zamaphikseli.
I-Constant Current Pixel Drive: Iqinisekisa ubudlelwano bomugqa phakathi kokukhanya nokwamanje, inika amandla umbala ompunga onembile nokulawula ukukhanya kuzikrini ze-OLED.
Ubuchwepheshe bokushajwa kwangaphambili kanye nokukhishwa kwangaphambilini: Ibhekana nezinkinga zokukhanya okungalingani nokukhanya okubangelwa amandla e-parasitic kumaphaneli e-OLED.
I-Reverse Voltage Suppression: Inciphisa ngempumelelo i-crosstalk futhi ithuthukise ukugqama nokufana kuzibonisi ze-OLED.
I-Charge Pump Boost Circuit: Ihlinzeka ngamandla kagesi aphezulu adingekayo ekushayeleni i-OLED, yenza idizayini yamandla yangaphandle ibe lula.
Ukubhala Okuvunyelanisiwe Kozimele: Ivimbela ukuklebhuka kwesikrini futhi iqinisekisa ukusebenza kwesibonisi okushelelayo nokuzinzile.
Amamodi Okubonisa Ahlukahlukene: Isekela izibonisi ezingaphelele, ukugqwayiza okuskrolayo, ukulungiswa kokugqamayo okuleveli engu-256, neminye imiphumela—konke kulungiseka ngemiyalo ukuze kuhlangatshezwane nezidingo zokudala kuzo zonke izinhlelo zokusebenza ezihlukile ze-OLED.
Nakuba ubuchwepheshe be-OLED busabhekene nezinselele ekukhuliseni osayizi abakhulu kanye nokunciphisa izindleko, izinzuzo zabo ekusebenzeni kombala, isivinini sokuphendula, nokusebenza kahle kwamandla sekuvele kubonakala. Ngokuphindaphinda okuqhubekayo kobuchwepheshe kanye nokuvuthwa kochungechunge lwemboni, i-OLED kulindeleke ukuthi ithathele indawo yokuboniswa kwekristalu ewuketshezi yendabuko emikhakheni ekhulayo, inikeze abasebenzisi umuzwa wokubuka ogxile kakhulu futhi osebenza kahle.
Ukukhetha i-OLED akukhona nje ukukhetha ubuchwepheshe bokuboniswa—kuhlanganisa ikusasa lokucaca nokugqama.
Isikhathi sokuthumela: Sep-03-2025