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Tianhui- mid ka mid ah soosaarayaasha iyo alaab-qeybiyeyaasha hormuudka ka ah UV LED chip waxay bixiyaan adeegga chip-ka ee ODM/OEM UV.

Farqiga u dhexeeya Isha Iftiinka Isku-dhafan ee LED

Isha laydhka LED-ka ee la taaban karo, Isha iftiinka isku-dhafan ee waxyeellada ama dillaaca waxay sababtaa in ilayska iftiinka uu awoodi waayo in uu iftiimiyo oo laambadda dhintayna ay xun tahay. W, in ka badan 70LM/W iyo 100LM/W ee nalalka T5 ee leh nalalka dhaadheer ee caadiga ah, taasoo ka dhigaysa guud ahaan saamaynta iftiinka sanduuqyada iftiinka LED-ka. Saamaynta iftiinka ku-meel-gaadhka ah ee LED waxa loola jeedaa hufnaanta nalka isha iftiinka LED marka la bilaabayo shaqada, sidoo kale loo yaqaan saamaynta iftiinka-state- qabow ee bilowga ah. Waa qulqulka indhaha ee degdega ah ee lagu cabbiro garaaca garaaca wadnaha gaaban ee isha cabbirka. Wakhtiga kulaylka joogtada ah ee substrate-ka, ballaca garaaca garaaca garaaca sida caadiga ah waa 1- tobanaan ms. Ilaha iftiinka isku-dhafan ee LED-ku adkeeynta ama ilaha iftiinka ee ay sababto alxanka ama isticmaalka, dunta dahabka ah ayaa jaban inta lagu jiro balaadhinta kulaylka iyo foosha kolloidka, taas oo keenta nalalka dhintay; Intaa waxaa dheer, isha iftiinka LED waa il adag oo gobolka ah. Tani waxay ka dhigan tahay xasilloon. Intaa waxaa dheer, nolosha adeegga ee nalalka sodium-cadaadiska sare leh iyo nalalka halide dahabka ah ayaa badanaa ka yar saacadaha 6000, iyo tusaha samaynta midabku waa ka yar yahay 30; LED waxay leedahay faa'iidooyin la taaban karo sida hufnaan sare, badbaadinta tamarta, nolosha dheer (saacadaha 50,000), ilaalinta deegaanka, tusmada samaynta midabka sare ( > 75), etc. Sida si wax ku ool ah loogu dabaqo LED-yada iftiinka waddooyinka ayaa noqday mawduuca ugu caansan ee LED-yada iyo soosaarayaasha iftiinka waddooyinka. Sida xudunta u ah nalalka LED-yada, tignoolajiyada wax soo saarka ee chips LED iyo tikniyoolajiyadda baakadaha u dhiganta waxay si wadajir ah u go'aamiyaan rajada codsiga LED ee berrinka iftiinka mustaqbalka. Sababta ugu weyn ee fashilka weyni waa jaalaha ama yaraynta silikoonka ama hoos u dhigista. LED-yada rasmiga ah ee P iyo N waxay ku yaalaan isla dhinaca LED-ka. Hadda waa in uu u gudbaa lakabka N-GAN si siman, taaso keeneysa hadda ciriiri ah, kulayl sare oo maxalli ah, iyo xaddidaya socodka hadda. Qarsoon Habka isticmaalka muddada dheer, heerkulka sare ee uu keeno kuleylka liidata wuxuu saameeyaa waxqabadka iyo gudbinta silikoon, taas oo keenta koronto koronto oo iftiin leh. Isha iftiinka isku-dhafan ee LED-ka kaliya ma leh xawaare sare oo degdeg ah, laakiin sidoo kale waxay leedahay xaglo badan marka la isticmaalayo. Ma jiro wax cadaadis ah oo ku saabsan odoroska, dhinaca, iyo oblique saadaasha. Iyadoo loo eegayo habka geedi socodka adag, habka geedi socodka lama hagaajin karo. Habka loo rogay habka codsiga waa mid fudud, iyo iftiinka xun waa la hagaajin karaa. Marka la barbar dhigo habka baakadaha rasmiga ah, cufnaanta baakad ee habka rogan ayaa kordhay 16 jeer. Baakadaha isku dhafan waxaa sidoo kale loo yaqaan baakad polycrystalline. Tirada chips LED on saldhigga substrate ku salaysan awoodda loo baahan yahay ayaa la go'aamiyaa. 3W -allaha sare ee iftiinka sare ee LED. Ugu dambeyntii, chip-ku wuxuu ku duuban yahay chip-ka oo leh qalab index refractive sare ah iyadoo loo eegayo qaabka naqshadda indhaha. Buurta Cob “Madolaad buuxda COB →LED ”, Waxaa si toos ah loogu dhejin karaa jajabyo badan oo MCPCB ah oo ku yaala guddiga daabacaadda ee birta ah, oo si toos ah u daadiya kulaylka iyada oo loo marayo substrate si loo badbaadiyo kharashka baakadaha LED, kharashka wax soo saarka moduleka mishiinka, iyo kharashka iftiinka sare. Marka la eego waxqabadka, iyada oo loo marayo naqshad macquul ah iyo microscopy, moduleka Ilaha iftiinka ee COB wuxuu si wax ku ool ah uga fogaan karaa faa'iido darrada iftiinka iyo iftiinka ka jira isku-dhafka kala-soocidda qalabka iftiinka; Waxa kale oo ay si wax ku ool ah u wanaajin kartaa midabka isha iftiinka iyadoo ku daraysa isku-darka jajabka cas ee ku habboon galmada. Ilaha iftiinka isku-dhafan ee mugga baakadaha LED-ka ayaa la dhimay 80%, qaybinta midabka iftiinka ayaa aad u lebbisan, kharashkuna waa ka hooseeyaa, laakiin chips-yada yaryar ayaa ku xidhan inay soo bandhigaan shuruudo farsamo oo aad u sarreeya oo loogu talagalay saxnaanta qalabka iyo koollada adag ee tinnodium crystal.

Farqiga u dhexeeya Isha Iftiinka Isku-dhafan ee LED 1

Tianhui - Dejinsaad diyaarka

Tianhui - Shaqooyinka UV

Tianhui - Biyo cudurada UV

Tianhui - Kalsada UV LED

Tianhui - UV

Tianhui - Qaysadayaasha diode

Tianhui - Modulka UV

Tianhui - UV LED

Tianhui - UV LED

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