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 fuskafiye da amfani a halin yanzu, DC dimming bai dace ba, dalilin shi ne cewa OLED allo ne mai haskaka kai, 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 canje-canjen zai haifar da rashin daidaituwa, rashin daidaituwa da rashin daidaituwa na launi daban-daban. "lambar fuska".
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 mai haske".alloAmma 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 dashi a cikin ƙananan haske PWM dimming a cikin masana'antu. hangen nesa na ɗan adam ba zai iya gano stroboscope a 70Hz. Yana da alama cewa sauyawa mita na 480Hz yana iya isa ga tsokoki na gani na 480Hz. ido don daidaitawa.Wannan na iya haifar da rashin jin daɗi na ido bayan amfani da dogon lokaci.Hanyar ragewa abu ne mai mahimmanci da ke da alaƙa da jin daɗin amfani da allo, kuma yana ɗaya daga cikin abubuwan da aka fi mayar da hankali kan binciken masana'antu a cikin shekaru biyu da suka gabata.
Lokacin aikawa: Maris 21-2023
