Ilimin LED Episode 2: Wadanne launuka ne LEDs suke da shi?

Farin LED

Ana yin bambance-bambance da yawa yayin aikin samar da fitilun LED da aka zaɓa.Wuraren chromatic da ake kira 'bin' suna kwance a kwance tare da layin BBL.Daidaitaccen launi ya dogara da ƙwarewar masana'anta da ƙa'idodin inganci.Zaɓin mafi girma yana nufin inganci mafi girma, amma kuma mafi girma farashi.

Farin sanyi

5000K - 7000K CRI 70

Yawan zafin launi: 5600K

Aikace-aikace na waje (misali, wuraren shakatawa, lambuna)

Farin halitta

3700K - 4300K ​​CRI 75

Yawan zafin launi: 4100K

Haɗuwa tare da hanyoyin hasken da ke akwai (misali, wuraren cin kasuwa)

Fari mai dumi

2800K - 3400K CRI 80

Yawan zafin launi: 3200K

Don aikace-aikacen cikin gida, don haɓaka launuka

Amber

2200K

Yawan zafin launi: 2200K

Aikace-aikace na waje (misali, wuraren shakatawa, lambuna, wuraren tarihi)

MacAdam Ellipses

Koma wurin da ke kan zane mai chromaticity wanda ya ƙunshi dukkan launuka waɗanda ba za a iya bambanta su ba, zuwa matsakaicin idon ɗan adam, daga launi a tsakiyar ellipse.Kwakwalwa na ellipse yana wakiltar bambance-bambancen da aka sani kawai na chromaticity.MacAdam yana nuna bambanci tsakanin maɓuɓɓugan haske guda biyu ta hanyar ellipses, waɗanda aka siffanta da suna da 'matakai' waɗanda ke nuna daidaitaccen launi.A aikace-aikace inda aka ga tushen haske, ya kamata a yi la'akari da wannan al'amari saboda ellipse mai mataki 3 yana da ƙananan bambancin launi fiye da mataki 5.

LEDs masu launi

Zane-zane na CIE chromatic yana dogara ne akan nau'in ilimin halittar jiki na ido na mutum don tantance launuka ta hanyar rarraba su zuwa sassa uku na asali na chromatic (tsari mai launi uku): ja, blue da kore, an sanya su a saman zanen zane.Za a iya samun zane mai chromatic CIE ta hanyar ƙididdige x da y ga kowane launi mai tsabta.Za'a iya samun launukan bakan (ko launuka masu tsafta) akan madaidaicin kwandon, yayin da launukan da ke cikin zanen launuka ne na gaske.Ya kamata a lura cewa launin fari (da sauran launuka a cikin tsakiyar tsakiya - launuka na achromatic ko inuwa na launin toka) ba launuka masu tsabta ba ne, kuma ba za a iya haɗa su da wani tsayin tsayi ba.