A masana'antu na LED nuni, ƙima na yau da kullun da kuma farashin kayan shakatawa da masana'antu ke ba da sanarwar da 1982Hz da kuma 384Hz da mai farfado da shi a kansu. Hanyar aiwatar da ayyukan yau da kullun sune drive ninki biyu-latch drive da pwm hawa bi da bi. Bangaren aiwatar da bayani yafi kamar haka:
[Direba ninki biyu IC]: 1920HZ Rarraba kudi, BIYU-THE SCALE, ginshiki da aka gina, letarancin matsewa na fatalwa don cire ayyukan da suka mutu da sauran ayyuka;
[PWM direba ici]: 3840HZ
A karshen PWM Shirin Tuki yana da karin magana mai launin toka a yanayin shari'ar sauqaqin mai taushi. Ayyukan da aka haɗa da'irar da aka haɗa da algorithms da aka yi amfani da su a cikin samfurin sun fi rikitarwa. A zahiri, guntu na direba ya yi amfani da yanki mafi girma da aka fi so da tsada.
Koyaya, a cikin Post-ela, yanayin duniya ba shi da m, hauhawar farashin kayan aiki da kuma alamomi 3k mai aiki da alamomi 3k, a musayar da kayan aikin grayscar, a musayar don 2880Hz warts Late, kuma wannan nau'in reshen reshe ana kiransa da ƙima 3k mai ƙyalƙyali don dacewa da PWM tare da jin daɗin tuƙin jama'a tare da kayan shayewa.
Domin yawanci ana kiran ƙudurin 19220x1080 a filin nuni, ana kiran ƙudurin gwaji 2K, kuma ana yawan ƙudurin 3840x2160 ana kiranta ƙuduri 4K. Sabili da haka, farashin shakatawa na 2880hoz ya rikice a matakin ƙididdigar 3k, da kuma sigogi masu ingancin hoto waɗanda Real 3840Hz refresh ba tsari bane na girma.
Lokacin amfani da guntun direban direba a matsayin aikace-aikacen bincike na allo guda uku, akwai hanyoyi guda uku don inganta tsarin shakatawa na gani na allon dubawa:
1. Rage yawan adadin hotunan launin toka-sikelin.Ta hanyar yin hadayar mutuncin Hoton Hoto-sikelin, lokacin kowane scan don kammala ƙididdigar launin toka-sikelin yana ƙara ficewa a cikin lokacin da ake amfani da shi don inganta hangen nesa maimaitawa.
2. Hanya mafi ƙarancin bugun jini don sarrafa LED:Ta hanyar rage lokacin fadakarwa lokaci, gajarta sake zagayowar Grayscale akan kowane scan, da kuma ƙara yawan lokuta ana akai-akai allon allo akai-akai. Koyaya, lokacin mayar da martani game da kwakwalwar gargajiya ba za a iya rage ba in ba haka ba, za a sami mugun-jita-jita kamar launin toka ko ƙarancin launin toka.
3. Iyakance adadin kwakwalwan kwamfuta da aka haɗa a cikin jerin:Misali, a cikin aikace-aikacen bincike na 8, yawan kwakwalwan kwamfuta da aka haɗa a cikin jerin bukatun da za a iya watsa daidai cikin ƙarancin canji a cikin ƙima mai sauri.
Allon masu binciken yana buƙatar jira bayanan layin gaba don rubuta kafin canza layin. Wannan karon ba zai iya gajarta ba (tsawon lokaci daidai ne ga yawan kwakwalwan kwamfuta), in ba haka ba allon zai nuna kurakurai. Bayan cire waɗannan lokutan, ana iya kunna LED. Lokaci yana raguwa, don haka a cikin tsarin firam (1/60 sec), yawan lokuta da duk sikelin za a iya iyakance shi, kuma ƙimar amfani da ƙasa ba ta da girma (duba adadi a ƙasa). Bugu da kari, ƙira da kuma amfani da mai sarrafawa ya zama mafi rikitarwa, da kuma bandwidth na sarrafa bayanai na ciki yana buƙatar haɓaka, sakamakon shi a cikin kwanciyar hankali cikin kwanciyar hankali. Bugu da kari, yawan sigogi waɗanda masu amfani suna buƙatar saka idanu sawu. Nuna hali.
Buƙatar ingancin hoto a kasuwa yana karuwa kowace rana. Kodayake kwakwalwan kwamfuta na yanzu suna da fa'idar fasahar S-PWM, har yanzu akwai sauran kwalban da ba za a iya fashewa ta cikin aikace-aikacen Scanning Screens ba. Misali, aikin da ake gudanar da ka'idodin direban direban S-PWM ya nuna a cikin adadi a ƙasa. Idan an yi amfani da guntun fasahar direban fasahar S-PWM don tsara allon bincike na 1: 8, a ƙarƙashin yanayin sikelin 16mhz, farashin mai ban sha'awa shine kusan 30hz. A cikin 14-bit grayscale, yawan shakatawa na gani kusan 120Hz. Koyaya, yawan shakatawa na gani yana buƙatar aƙalla sama da 3000hz don biyan bukatun idanun mutane don ingancin hoto. Sabili da haka, lokacin da buƙata ta ƙimar gyaran kayan gani na gani 3000Hz, jagorancin kwakwalwan kwamfuta tare da kyakkyawan aikin ana buƙatar biyan bukatun.
Yawancin lokaci ana iya bayyana shi bisa ga zuwa lamba N sau da yawa da ƙwararrun firam na bidiyo 60Afps. Gabaɗaya, 1920HZ sau 32 da sauƙin ƙimar 60Fps. Yawancinsu ana amfani dasu a allon haya, wanda filin babban haske da filin shakatawa mai ban sha'awa. Kwamitin naúrar yana nunawa a cikin 32 Scans LED Nunin allon naúrar na naúrar; 3840Hz shine sau 64 da yawa, kuma yawancinsu suna amfani da su ne a allon nuni na bayanan 64 da aka samu tare da karancin haske da yawa na nuni.
Duk da haka, allon nuni a kan tushen firam na 1920Hz ya karye zuwa 2880Hz, wanda ke buƙatar haɓaka kayan aikin kwalliya na 42, wanda ke buƙatar karɓar adadin kayan kwalliya 4. Murdiya da rashin ƙarfi.
Lokacin Post: Mar-31-2023
