Kukwera kwa OLED, kuthamanga kwafupipafupi kwa PWM mpaka 2160Hz

Kodi DC dimming ndi PWM ndi chiyani? Ubwino ndi kuipa kwa CD dimming ndi OLED ndi PWM dimming?

Za kuChithunzi cha LCD, chifukwa imagwiritsa ntchito mawonekedwe a backlight, kotero kuwongolera mwachindunji kuwala kwa backlight layer kuti kuchepetsa mphamvu ya backlight layer kumatha kusintha kuwala kwa skrini, njira yosinthira yowala iyi ndi DC dimming.

Koma kwa mkulu-mapetoZithunzi za OLEDzomwe zimagwiritsidwa ntchito pakali pano, DC dimming sikoyenera, chifukwa chake ndi chakuti OLED ndi chophimba chodziwunikira chokha, pixel iliyonse imatulutsa kuwala payokha, ndipo kusintha kwa mphamvu yowunikira ya OLED kudzachitapo kanthu pa pixel iliyonse, chophimba cha 1080P ma pixel opitilira 2 miliyoni. Mphamvu ikakhala yochepa, kusinthasintha pang'ono kumayambitsa kuyatsa kosiyana kwa ma pixel osiyanasiyana, zomwe zimapangitsa kuwala ndi mavuto amtundu.Izi ndizomwe timatcha "rag screen".

Poganizira kusagwirizana kwa DC dimming mu OLED zowonetsera, mainjiniya apanga njira ya PWM ya dimming, imagwiritsa ntchito zotsalira za diso la munthu kuwongolera kuwala kwa chinsalu kudzera mukusintha kosalekeza kwa "screen-off screen-bright screen- off screen”.Kutalikitsa chinsalu chiyatsidwa pa nthawi ya unit, m'pamenenso kuwala kwake kumakwerachophimba,ndi mosemphanitsa.Koma njira ya dimming iyi ilinso ndi zofooka, kagwiritsidwe kake ka kuwala kochepa, kosavuta kuchititsa maso kukhumudwa.Pakali pano, 480Hz imagwiritsidwa ntchito kwambiri pakuwala kochepa kwa PWM m'makampani. Masomphenya aumunthu sangathe kuzindikira stroboscope pa 70Hz .Zikuwoneka kuti kusintha kwafupipafupi kwa 480Hz ndikokwanira, koma maselo athu owoneka amatha kuzindikira stroboscope, kotero iwo amayendetsa minofu ya diso kuti asinthe. kuti chitonthozo chakugwiritsa ntchito skrini, komanso ndi chimodzi mwazofufuza zamakampani m'zaka ziwiri zapitazi.