A cikin 'yan shekarun nan, tare da tartsatsi amfani da m-jiharLED fitilu fitilu, mutane da yawa kuma suna ƙoƙarin nazarin rikitarwa da hanyoyin sarrafawa na fasahar launi na LED.

Game da Haɗin Ƙarfafawa

LED ambaliya fitiluyi amfani da hanyoyin haske da yawa don samun launuka daban-daban da ƙarfi. Domin nisha lighting masana'antu, ƙara da hadawa launuka ne riga a clich é. Shekaru da yawa, masu sana'a sun yi amfani da fitilu tare da masu tace launi don tsara yanki ɗaya a kan alfarwa, wanda ba shi da sauƙin sarrafawa. Haske mai haske tare da tushen hasken MR16 guda uku, kowanne tare da ja, kore, da matattarar shuɗi. A cikin farkon kwanakin, irin wannan fitilar kawai tana da tashoshin sarrafawa guda uku na DMX512 kuma babu tashoshi mai ƙarfi mai zaman kanta. Don haka yana da wahala a ci gaba da canza launi yayin aikin dimming. Yawancin lokaci, masu shirye-shiryen hasken kwamfuta suma suna saita "canjin launi mai haske" don kashe fitilun cikin sauƙi. Tabbas, akwai hanyoyi mafi kyau, kuma ba zan lissafta su duka anan ba.

Sarrafa da Ma'anar Launuka

Idan mai amfani bai yi amfani da madaidaitan ƙimar DMA ba don sarrafa kayan aikin walƙiya mai hankali, amma yana amfani da wasu hanyoyin sarrafawa mara ƙima, ana iya amfani da ƙimar ƙimar kama-da-wane. Ko da masana'anta sun ƙididdige cewa na'urorin hasken wuta suna amfani da tashoshi na DMA guda uku, hanyar sarrafawa mai ƙima har yanzu ana iya sanya hannaye huɗu don sarrafawa: ƙimar ƙarfi da sigogin launi uku.

Siffofin launi uku “maimakon ja, kore, da shuɗi, kamar yadda RGB hanya ɗaya ce kawai don bayyana launuka. Wata hanyar da za a kwatanta shi ita ce hue, jikewa, da haske HSL (wasu suna kiransa tsanani ko haske, maimakon haske). Wani bayanin shine hue, jikewa, da ƙimar HSV. Darajar, wanda kuma aka sani da haske, yayi kama da Luminance. Koyaya, akwai babban bambanci a cikin ma'anar jikewa tsakanin HSL da HSV. Don sauƙi, a cikin wannan labarin, marubucin ya bayyana launi a matsayin launi da jikewa a matsayin adadin launi. Idan an saita 'L' zuwa 100%, fari ne, 0% baki ne, kuma 50% na L launi ne mai tsafta tare da jikewa na 100%. Don 'V', O% baƙar fata ne kuma 100% yana da ƙarfi, kuma ƙimar jikewa dole ne ta daidaita ga bambanci.

Wata ingantacciyar hanyar bayanin ita ce CMY, wanda shine tsarin launi na farko guda uku wanda ke amfani da hadawar launi mai rahusa. Idan farin haske ya fito da farko, to, ana iya amfani da tacewa kala biyu don samun ja: magenta da rawaya; Suna cire abubuwan kore da shuɗi daga farin haske daban. Yawancin lokaci,LED launi canza fitiluKada ku yi amfani da hadawar launi mai rarrafe, amma wannan har yanzu hanya ce mai inganci don kwatanta launuka.

A ka'idar, lokacin sarrafa LEDs, ya kamata a iya daidaita ƙarfin da RGB, CMY Ɗaya daga cikin HSL ko HSV (tare da wasu bambance-bambance tsakanin su).

Game da LED launi hadawa

Idon ɗan adam na iya gano haske tare da tsawon raƙuman ruwa daga 390 nm zuwa 700 nm. Abubuwan LED na farko sun yi amfani da ja (kimanin 630 nm), kore (kimanin 540 nm), da shuɗi (kimanin 470 nm) LEDs. Ba za a iya haɗa waɗannan launuka guda uku don samar da kowane launi da idon ɗan adam ke gani ba