SMD-LEDs: tarihi da kuma babban halaye

LED effects mutumin da aka gani a karon farko shekaru 90 da suka wuce. Wannan ya faru a Rasha a shekarar 1923, a lokacin da Oleg Losev a Nizhny Novgorod aka farko ya lura da luminescence na silicon carbide lantarki dakin gwaje-gwaje. Kimiyya articles a kan wannan batu da aka buga a cikin 30s na karshe karni, da kuma na farko zane ya bayyana ne kawai a cikin 70s. a Birnin Leningrad, Zelenograd da Kaluga. Active ci gaban da dabaru dangantaka da zirga-zirga da 'yan sanda da umarni ga yi na zirga-zirga hasken wuta a 1000 zuwa 850 tunawa da babban birnin kasar, a cikin abin da maimakon Iskar Wutar fitilu amfani da wani haske kore LEDs.

A LED ne semiconductor guntu a haɗe zuwa substrate na aluminum ko jan karfe da kuma tsara Tantancewar tsarin da tashoshi. LED SMD (surface Montage bayani) daga sauran jinsuna ne halin a cewa sassa a cikinta ake saka kai tsaye a kan surface. Crystal Tsarin ga wannan fasahar suna girma da organometallic epitaxy. A wannan tsari, a cikin rana daya, za ka iya girma da ake so tsarin (kwakwalwan kwamfuta) domin a kalla 12 substrates.

Daga bisani, da samu lu'ulu'u suna bi ta wajen high fasahar: suna harhada jiki sanya jimloli suna amfani, ƙarin abubuwa da ake so shirya kadan mayar da hankali. Wannan mataki ne sosai kudin, don haka SMD LEDs ne mafi tsada fiye da na al'ada kwararan fitila. An yi imani da cewa kudin da lumen generated da LED 100 fiye da sau guda naúrar samar da wani halogen fitilar.

A tabbatacce halaye na wadannan tsarin hada da zafi kadan, high launi tsarki, babu infrared da ultraviolet radiation isa ƙarfi, karko da kuma aminci. Yau liruyuschey kasa na duk, inda amfanin SMD-LEDs, shi ne Japan.

Lokacin aiki tare da wadannan abubuwa yawanci dauke da wadannan halaye:

- haske, wanda zai iya zama fari (dumi ko sanyi), blue, kore, ruwan rawaya ko ja. White haske SMD-LEDs an samu a cikin hanyoyi da dama, ciki har da RGB hanya, lokacin da launuka daban-daban aka haxa da wani ruwan tabarau ko wani Tantancewar tsarin.

- ƙasar asalin guntu (yawanci, Taiwan).

- luminous juyi (lumens).

- bukata ƙarfin lantarki.

- yawan lu'ulu'u (kwakwalwan kwamfuta).

- da zama dole halin yanzu ƙarfi.

- kwana na haske (45 zuwa 140 digiri).

- gaban ko babu wani substrate, wanda shi ne sau da yawa wani ƙarin kudin.

SMD-LEDs suna yadu amfani da lighting a da yawa daban-daban yankunan. Su designers son ga high quality na haske da kuma lantarki aminci, ma'aikata na jama'a utilities - for low makamashi amfani da high vandal juriya. The kawai banda ga aikace-aikace na da waɗannan kimiyoyi a yau ne gaban manyan yankunan, don haka ba su da amfani a samar. LED tsiri za a iya gani a yau a gidajen, cafes da kuma ofisoshin, ciki har da waɗanda suke a cikin yankunan da gumi yanayi, saboda akwai wasu iri diodes ba su ji tsoron ruwa.

A sabis rai daga cikin wadannan na'urorin ne quite manyan (har zuwa 50 000 hours for high-karshen model), don haka za mu iya ce, SMD-LEDs - shi ne mafi kyau ga kayan aiki da lighting a nan gaba.