Menene dimming DC da PWM dimming?Amfani da rashin amfani na CD dimming da OLED da PWM dimming?
DominLCD allon,saboda yana amfani da Layer backlight, don haka kai tsaye sarrafa haske na backlight Layer don rage ikon da backlight Layer iya sauƙi daidaita hasken allo, wannan haske daidaita hanyar ne DC dimming.
Amma ga high-karshenOLED fuskaYawanci ana amfani dashi a halin yanzu, dimming DC bai dace ba, dalilin shine OLED allo ne mai haskaka kansa, kowane pixel yana fitar da haske da kansa, kuma daidaitawar hasken wutar lantarki na OLED zai yi aiki kai tsaye akan kowane pixel, allon 1080P yana da. Fiye da pixels miliyan 2. Lokacin da ƙarfin ya yi ƙasa, ƙananan sauye-sauye zai haifar da rashin daidaituwa na pixels daban-daban, wanda zai haifar da matsala mai haske da launi. Wannan shine abin da muke kira "allon allo".
Nufin rashin daidaituwa na DC dimming a cikin OLED fuska, injiniyoyi sun ɓullo da hanyar dimming PWM, yana amfani da ragowar gani na idon ɗan adam don sarrafa hasken allo ta hanyar ci gaba da jujjuyawar "allon kashe allo mai haske-allon allo mai haske- kashe allo."Yayin da ake kunna allon akan kowane lokaci naúrar, mafi girman haske naallo, kuma akasin haka. Amma wannan hanyar dimming kuma yana da gazawa, amfani da shi a cikin ƙananan haske, mai sauƙi don haifar da rashin jin daɗi na ido. A halin yanzu, 480Hz ana amfani da shi a cikin ƙananan haske PWM dimming a cikin masana'antu. Hangen dan Adam ba zai iya gano stroboscope a 70Hz .Da alama cewa saurin sauyawa na 480Hz ya isa, amma ƙwayoyinmu na gani suna iya fahimtar stroboscope, don haka za su fitar da tsokoki na ido don daidaitawa. Wannan zai iya haifar da rashin jin daɗi na ido bayan amfani da dogon lokaci. don jin daɗin amfani da allo, kuma yana ɗaya daga cikin abubuwan da aka mayar da hankali kan binciken masana'antu a cikin shekaru biyu da suka gabata.
Lokacin aikawa: Maris 21-2023
