Cinemas, sabon filin aikace-aikace don nunin LED

Nunin LED dole ne su bi ka'idodin DCI idan ana amfani da su don gidajen sinima. Manyan kamfanonin fina-finai shida na duniya ne suka haɗe ƙungiyar ta DCI don kafa ƙa'idar sake kunna fina-finai na dijital, da kuma kare haƙƙin mallaka na fina-finai na dijital da kuma tabbatar da kwarewar gani-da- gani na gidajen wasan kwaikwayo. Ma'auni na DCI yana rufe tsarin bayanai, mu'amalar codec, hanyoyin watsawa, tsaro, da tsarin kayan wasan kwaikwayo gami da sabar, tsinkaya, sauti, da sarrafawa.

Gaskiya ne cewa tsarin kula da nuni na LED na iya rage nunin LED tare da babban ƙirar ƙira zuwa 48 nits ta hanyar sarrafa sikelin launin toka, amma zai kawo matsalolin nunin launin toka da yawa, kamar launin ja mai iyo, rashin daidaituwa na pixel da sauransu.

Iyakance ta mafi ƙarancin ƙayyadaddun ƙayyadaddun guntu na drive, ƙarfin halin yanzu na LED ba za a iya rage shi ba har abada.Wannan yana buƙatar LED don rage haske mai haske ta hanyar ƙirar kansa, kamar ƙara rage girman guntu ko shigar da ƙari cikin kunshin.Light. -sauke barbashi. Duk da haka, duk wannan yana cikin ƙimar ƙimar hoto. Idan za'a iya ƙara rage ƙaramar motsin guntu ɗin tuƙi, ko kuma ana iya ƙara yawan sikanin da aka goyan baya, za'a iya rage hasken nunin LED ba tare da sadaukar da ingancin wutar lantarki ba. Ga LED da kanta, kawai R, G, da B guntu rabo wanda ya dace da rabon launi na ma'aunin ma'aunin farin DCI da aka zaɓa daidai, kuma hasken da zai iya biyan buƙatun yanzu na guntu mai tuƙi a nan gaba, shine mafi cikakke. LED wanda ya dace da bukatun aikace-aikacen.

Abubuwan buƙatun launi na LED

Dangane da gamut launi na DCI-P3 wanda DCI ya ayyana, launuka na farko na R, G, da B na nuni suna da tsauraran buƙatun daidaita launi. Don nunin LED, ana buƙatar takamaiman ƙayyadaddun launi don LEDs. Koyaya, a halin yanzu akan kasuwa, yawancin masu samar da LED suna amfani da ƙayyadaddun ƙayyadaddun tsayin raƙuman ruwa don ayyana launuka, kuma tsayin raƙuman ruwa sune launuka da aka ayyana daga girma ɗaya (hue), rasa wani girma (jikewa) na bayanin launi. Launi na tsayin raƙuman raƙuman ruwa iri ɗaya yayi daidai da madaidaiciyar layin da ke wucewa ta wurin theiso-makamashi (0.333, 0.333) a cikin sararin launi, maimakon madaidaicin wurin launi. Sabili da haka, don daidaita daidaitattun buƙatun gamut na DCI-P3color, da farko ya zama dole don zaɓar LED wanda launi ya daidaita launi, maimakon ma'anar da ba daidai ba na tsayin tsayin tsayi.

Saboda ka'idar hada hasken nuni, farkon ƙirar launi gamut na allon nuni na iya zama daidai ko girma fiye da gamut ɗin launi na DCI-P3, wato, ƙirar ƙirar farko na manyan launuka uku na R, G, da B buƙata. kar a kasance masu daidaita launi kai tsaye wanda DCI-P3 ya kayyade. Yankin da aka kafa ta layin tsawaitawa biyu na kowane tushe da kuma iyakar sararin launi kamar yadda aka nuna a cikin adadi (kamar yadda aka nuna a hoto 2). Daga cikin su, kore da shuɗi bi da bi ƙanƙan yanki ne mai kama da triangle. Saboda rarrabuwar launi na LEDs, irin wannan kewayon launi kusan kusan ba zai yuwu a cimma nasarar samar da LEDs mai yawa; don ja, tushen tushen da DCI-P3 ya ƙayyade ya kasance a kan iyakar sararin launi (jikewa 100%), don haka a ka'idar, LED ba shi da yiwuwar gamsuwa.