I-athikili Eyodwa Yembula Izinto Zokupakisha ze-UVC LED/inqubo/Ubunzima bobuchwepheshe namathrendi

Njengoba imboni yendabuko ye-LED ingena esikhathini esivuthiwe, abakhiqizi baye balungisa amasu abo okuthuthukisa, futhi esikhundleni salokho banweba izingxenye ezifana nokukhanyisa kwezimoto, ukukhanya kwezitshalo, i-UV LED, i-IR LED, kanye nesikhala esincane, i-mini/micro LED nokunye ukubonisa okusha. amasimu. Phakathi kwabo, emkhakheni we-UV LED, nakuba abakhiqizi abaningi benesakhiwo sesikhathi eside, imakethe yomkhiqizo we-UV LED ayizange ithole ukwamukelwa okuphezulu esikhathini esidlule. Ngakho-ke, imboni ye-UV LED isanda kuqala, ikakhulukazi ama-UVC LED anobunzima obuphezulu bezobuchwepheshe nezintengo. Kodwa-ke, njengoba uhlobo olusha lwe-coronary virus pneumonia lusabalala emhlabeni wonke, ukuqwashisa kwabathengi ngokuvala inzalo nokubulawa kwamagciwane kukhule ngokushesha, futhi isidingo semikhiqizo yochungechunge lwe-UVC LED sikhule, sikhuthaza amandla ezinhlangano eziningi zomhlaba ukuthi atshale ocwaningweni nasekuthuthukisweni. yobuchwepheshe be-UVC LED, esiphinde yaveza izinhlobo ezahlukene zezinhlobo ezahlukene Imikhiqizo, le mikhiqizo ihlangabezana kanjani nezidingo ezifanele? Eqinisweni, izici eziningi zidinga ukucatshangelwa ekukhethweni kwemikhiqizo ethembekile ye-UVC LED, njengokuthi: imithamo ehlukene nesikhathi sokushiswa kwemisebe ukuze amagciwane ahlukene namabhaktheriya afinyelele umphumela wokubulala amagciwane kanye nomphumela wokuvala inzalo. Ngokombono wokukhiqizwa komkhiqizo, kuningi okucatshangelwayo kusuka ku-chip yokwandisa ukuya ekupakishweni kuya kumkhiqizo ophelile. Kulokhu, i-LEDINSIDE iveze izinto ezidingekayo, ubuciko, izinkinga zobuchwepheshe kanye nezitayela zokuthuthukiswa ezidingekayo kuseshini yokupakisha ye-UVC LED ukuze uqonde kangcono umkhiqizo wokupakisha we-UVC LED. Amafomu encapsulation ye-UVC LED, ubuciko, nokukhethwa kwezinto ezibonakalayo kukhethekile. Njengamanje, ukupakishwa kwe-UVC LED kunezinhlobo ezintathu: ukupakishwa kwe-organic, ukupakisha kwe-semi-inorganic (okwaziwa nangokuthi “Ukupakisha okuseduze kwe-inorganic ”) Futhi ukupakisha konke. Ukupakishwa kwe-organic kusebenzisa izinto eziphilayo ezifana ne-silicone, i-silicon resin noma i-epoxy resin, ikakhulukazi kuhlanganise ne-LAMP, i-SMD, i-ceramic MOLDING neminye imikhiqizo. Ubuchwepheshe bubonke buvuthiwe, kodwa ukusebenza kwe-anti-ultraviolet kudinga ukuthuthukiswa okwengeziwe. Ukupakishwa okuyingxenye kwesigamu (okubuye kwaziwe ngokuthi “Ukupakisha okuseduze kwe-inorganic ”) Sebenzisa izinto ze-silicon eziphilayo ngengilazi nezinye izinto ezingaphili. Wonke amaphakheji we-inorganic agwema ukusetshenziswa kwezinto eziphilayo kuyo yonke inqubo. Inhlanganisela ye-lens nama-substrates ifinyelelwa ngokushisela i-laser, i-wave welding, ne-resissive welding. Thuthukisa ngempumelelo ukuzinza nokuthembeka kwamadivayisi e-UVC LED. Kuyaqondakala ukuthi abakhiqizi basekhaya abafana ne-Guoxing Optoelectronics, i-Mustang Shen Zi Zi, i-Hongli Bingyi, ne-Huayinxin bonke bathuthukise imikhiqizo ye-UVC ye-LED yazo zonke izinto zokupakisha ezingaphili. Njengamanje, umkhiqizo we-semi-inorganic packaging usewumkhakha wemakethe yasekhaya. Ikakhulukazi yakhiwe nge-ceramic stent kanye nengilazi ye-quartz enenkomishi. Ibekwe ngokumboza i-anti-ultraviolet glue endaweni esemaphethelweni ye-ceramic substrate ukuze kuzuzwe ilensi. Ngokuqondile, i-glue yechashazi phezulu noma izinyathelo zenkomishi, bese uvala ingilazi ye-quartz ukuze uphulukise futhi ubophe. Ngokuphathelene nezinto zokwakha, ukupakishwa kwe-UVC LED kuhlukile kune-LED evamile. Okokuqala, ukukhetha ingilazi ye-quartz kungenxa yokuthi i-quartz ayiyona into ephilayo, ngeke ithinteke emisebeni ye-ultraviolet, futhi izinga eliphezulu lengilazi ye-quartz ebhendi ye-UVC liphezulu. Okwesibili, mayelana nama-substrates okushisa okushisa, ngenxa yokusebenza kahle okuphansi kwe-UVC LED photoelectric ukuguqulwa, iningi lazo liguqulwa libe ukushisa, ngakho-ke i-aluminium nitride heat sink substrate enezinga lokushisa eliphezulu ngokuvamile isetshenziswa. Ngaphezu kwalokho, i-UVC inomphumela omubi ku-glue. Ngakho-ke, izidingo zokumelana ne-UV ezingilazini zokubopha ingilazi nakubakaki ziphakeme kunalezo ezijwayelekile zokupakishwa kwe-LED. Kuyaphawuleka ukuthi abanye abakhiqizi basebenzisa i-aluminium oxide dissipation substrates. Kokubili i-aluminium nitride ne-aluminium oxide substrates ingeye-ceramic substrate. Umehluko omkhulu phakathi kwalokhu okubili ukuthi izinga lokushisa le-aluminium nitride liphakeme kakhulu kune-alumina. Phakathi kwazo, i-aluminium nitride thermal conductivity ngokuvamile ingaba ngu-140W/mk-170W/mk, kuyilapho i-aluminium oxide conductivity eshisayo icishe ibe ngu-30w/mk. Izitsha zobumba ze-alumina ngokuvamile zimhlophe, zine-thermal conductivity ephansi, ngokuvamile zisetshenziselwa imikhiqizo yamandla aphansi. Kodwa-ke, izitsha zobumba ze-alumina zinkulu, futhi kulula ukuqhekeka kune-aluminium nitride. Ngakho-ke, kujwayele ukuwa ngesikhathi sokusika. I-aluminum nitride ceramics ngokuvamile iveza okumpunga -mnyama, inezinga eliphezulu lokushisa, futhi ivamise ukusetshenziselwa imikhiqizo yamandla aphezulu. Ngaphezu kwalokho, kukhona futhi ama-alumina ceramics afakwe emakethe, abuye abe grey-black, kodwa izinga lokushisa liphansi. Izinga lokuphathwa okushisayo kanye negesi -ukuminyana kuthinta ikhwalithi yemikhiqizo yokupakisha ye-UVC ye-LED ye-UVC LED imikhiqizo yokupakisha. Ikhwalithi yekhwalithi yomkhiqizo kanye nomthelela wokuqina kwegesi. Lezi zici ezimbili ziphinde zibe nobunzima bobuchwepheshe kusixhumanisi sokupakisha. Phakathi kwazo, ukuphathwa okushisayo kuthinta ngqo impilo yemikhiqizo yokupakisha ye-UVC LED, kuyilapho ukuqina kwegesi kunquma ukuthembeka kwayo ngezinga elikhulu. I-UVC LED iyazwela ekushiseni, ukusebenza kahle kwayo kwe-quantum yangaphandle (EQE) iphansi, futhi ingxenye encane kuphela yamandla kagesi iguqulwa ibe ukukhanya, futhi amandla amaningi kagesi aguqulwa abe ukushisa, okuthinta ngqo impilo yesevisi chip. Ngenxa yalokhu, kulesi sigaba, imikhiqizo eminingi isekelwe ohlelweni lokuthulula ama-chips ngokushisa okuphezulu -ukuqhuba i-aluminium nitride substrates. I-Aluminium nitride ine-conductivity enhle kakhulu yokushisa, ingakwazi ukubekezelela ukuguga kwemithombo yokukhanya ye-UV ngokwayo, futhi ihlangabezana nezidingo zokuphatha ukushisa okuphezulu kwe-UVC LED. Ngaphezu kwezinto zokwakha, inqubo yokupakisha nayo iyisici esithonya sokuphathwa kokushisa. Inqubo yokupakisha ibonakala kakhulu kubuchwepheshe bekristalu obuqinile, okuhlanganisa ukushisela i-pulp esiliva, i-tin paste welding, kanye negolide ye-tin co -crystal welding. Nakuba isiliva i-pulp welding inhle, kulula ukubangela ukufuduka kwesiliva, okuholela ekuhlulekeni kwedivayisi. Ngokuqondene nokushiswa kwe-tin paste, ngoba indawo yokuncibilika yokunamathisela ithini icishe ibe ngama-degree angama-220 kuphela, ngemuva kwesiqeshana sedivayisi, into yokuhlanganisa kabusha izokwenzeka futhi. I-Golden tin co -crystal welding isetshenziselwa ikakhulukazi i-co-crystal welding ngokusebenzisa i-ejenti yokushisela, engathuthukisa ngempumelelo amandla okubopha kanye nokuqhutshwa kokushisa kwe-chip ne-substrate. Ngokuphambene. Ngakho-ke, indlela yegolide ye-tin co-welding isetshenziswa emakethe. Enqubweni yokushisela, kuhilela ikakhulukazi inkinga yezinga lokushisela elingenalutho. Ukushisela imbobo engenalutho kubhekisela ekushiyekeni okwakhiwa ngesikhathi sokushisela ama-chips e-LED nama-substrates. Iveza isimo sokubukeka okungenalutho ngokubukeka. Kuyinkomba ebalulekile ethinta ukuchithwa kokushisa. Lapho imbobo yokushisela iphansi engenalutho, ngcono umphumela wokuqeda ukushisa, impilo yomkhiqizo ende, ikhwalithi engcono, ikhwalithi engcono. Kuyaqondakala ukuthi ubuchwepheshe bokupakisha obungaphili be-Huayin core busebenzisa igesi ye-inert futhi bubuyisele indawo yokuvikela exubile yegesi ukwenza i-hot pressure co -crystal welding ye-chip ukuze kuthuthukiswe ukusebenza kahle kokuxhumeka kukagesi, kuyilapho kunciphisa izinga elingenalutho, izinga lokushisa elizinzile lefindo le-LED. . Izinzuzo nezici ze-Guoxing Optoelectronics kubuchwepheshe obujwayelekile bokushisela bekristalu zigqame kakhulu. Le nkampani ineminyaka engu-10 yemvula evamile yobuchwepheshe bekristalu, futhi izinga le-reflux elivamile le-crystal vacuum lilawulwa ngokuyisisekelo ngaphakathi kwe-10%, eliphansi kakhulu kunemikhiqizo efanayo emakethe emakethe. Ngokwemibiko, mayelana nokunciphisa amazinga angenalutho we-welding, inkampani yakhe ubuchwepheshe obuhamba phambili futhi obuphelele. Njengamanje, indawo yonke yembobo engenalutho yemikhiqizo yayo ye-UVC LED ingaphansi kuka-10%, futhi indawo enkulu engenalutho yembobo eyodwa ingaphansi kuka-2%. Uma kuqhathaniswa nenani elingenalutho lohlobo olufanayo lomkhiqizo emakethe 15% -30%, umphumela wokukhipha ukushisa muhle kakhulu, impilo yomkhiqizo yinde, imikhiqizo yento yomkhiqizo Ukulawula okungcono. Ngokuphathelene nokuthembeka, indlela yokupakisha ingenye yezinto, kodwa ukhiye uwukuthi. Ngendlela ye-semi-inorganic packaging, i-glass lens kanye ne-cup ceramic substrates izokwakha umgodi ovaliwe ngoxhumano lweglue. Ngenxa yokuthi i-cavity evaliwe ayikwazi ukuba yi-vacuum, lapho i-glue ishisa, umoya osemgodini usengozini yokushisa nokuchitheka, ukwakha ibhamuza, kanye nomgudu wegesi owenziwe ezimweni ezinzima. Ngalesi sikhathi, umhwamuko wamanzi wangaphandle nokungcola kungangena emkhiqizweni ngamabhamuza omoya namashaneli egesi, okubangela ukungcoliswa kwe-chip nama-substrates nezinye izinto, okuthinta kakhulu ukuqina kwegesi komkhiqizo, ngaleyo ndlela kuthinte ukukhanya nokuthembeka. Kuyabonakala ukuthi umthelela wokuqina kwegesi unomthelela omkhulu kwikhwalithi yokupakishwa kwe-UVC LED, futhi inqubo yokucubungula ubuchwepheshe ibaluleke kakhulu. Kuhle ukusho ukuthi ngokuthuthukisa ukwelashwa okungaphezulu kanye nokupakisha okuqhubekayo kanye nobuchwepheshe bokuphulukisa be-substrate, i-National Star Optoelectronics iphinde yakha isisombululo esiphelele senqubo yokupakisha, enganciphisa ngempumelelo umoya ovaliwe, ibone i-bubble ye-zero kanye ne-zero idivayisi ye-UVC LED, kanye noziro. Umoya. Iphethini yokupakisha ye-UVC: i-semi-inorganic packaging iyona eyinhloko, futhi wonke amaphakheji we-inorganic anezelwa ukuphatha okushisayo nokuqina kwegesi. Ukumelana ne-UV nakho kungenye yezinkinga zobuchwepheshe zokufakwa kwe-UVC LED. Ukuze kuthuthukiswe ukusebenza kwe-anti-ultraviolet yomkhiqizo, abakhiqizi abaningi baye baqinisa ukuthuthukiswa kwayo yonke imikhiqizo yokupakisha -inorganic. Isibonelo, i-Guoxing Optoelectronics ithuthukise amadivaysi e-UVC abizayo kakhulu emikhiqizo ekhethekile, futhi inzuzo yezindleko isobala. Ngasikhathi sinye, inkampani futhi ithuthukisa ngokuhlanganyela imikhiqizo yezinto ezibonakalayo zokupakisha i-anti -UVC fluoropic resin nabakhiqizi bezinto ezibonakalayo. Umkhiqizo unezici zokumelana nokushisa okuphezulu, amandla amakhulu, kanye nemisebe ye-anti -UV. Imikhiqizo ye-UVC LED ye-Jingneng Optoelectronics ikakhulukazi ifaka ama-ceramics anamandla aphezulu. Izinto ze-Ceramic ziyapakishwa, futhi ukusebenza kokushisa komkhiqizo kuhle. I-Hongli Zhihui iphinde iqhubeke nokwenza ucwaningo ngobuchwepheshe bokupakisha bezinto ezingaphili, okuhloswe ngazo ukuthuthukisa imikhiqizo ye-UVC LED enamandla amakhulu okukhanya, ukwethembeka okuphezulu, impilo ende, nokusebenza kahle kwezindleko. Mayelana nokupakishwa kwe-UVC ye-LED yenkambiso yentuthuko yesikhathi esizayo, i-Guoxing Optoelectronics ikholelwa ukuthi imakethe yasekhaya isazohlanganiswa ikakhulukazi onyakeni olandelayo noma emibili, yengezwe yikho konke ukupakishwa kwe-inorganic, kodwa njengoba izinto eziphilayo sezithuthukile futhi zaqanjwa kabusha ngokuphikiswa kwe-UV nokuqanjwa kabusha , I-organic encapsulation efana ne-fluorine resin cishe izothatha ingxenye yesabelo semakethe. Kusukela ekuqaleni kwalo nyaka, imikhakha yezobuchwepheshe eyahlukene ye-UVC LED isizuze impumelelo ethile, idlulisa izimpawu zokuthi imboni iyadlondlobala. Nakuba, ngenxa yezindleko eziphakeme kanye nemiphumela yokukhanya ephansi, imikhiqizo yamanje ye-UVC LED ayikwazi ukufaka esikhundleni ngokuphelele inzalo yokwelapha izibani ze-UV ze-mercury. Kodwa i-Guoxing Optoelectronics ikholelwa ukuthi ngokuthuthuka kobuchwepheshe, ngikholelwa ukuthi i-UVC LED izongena kancane kancane kule makethe maduze. Ngaphezu kwalokho, ngenxa yevolumu encane kanye nomklamo olula, i-UVC LED okwamanje isemkhakheni wokubulala amaselula kanye nokuvalwa kwendawo encane. Uma kuqhathaniswa nezibani ze-mercury, inezinzuzo ezithile. Ngokusho kwe-LEDINSIDE, ohlelweni lwamanje lwemakethe, i-UVC LED isiqalile ukusetshenziswa ekubulaleni inzalo ebusweni (imikhiqizo ethwala inzalo, izibani zokuvala inzalo, imikhiqizo kamama nezinsana), ukuvala inzalo yamanzi kanye nokuhlanzwa komoya.