[Uhlelo lokusebenza] Ukusetshenziswa Kwedivayisi Yokwelapha ye-UVLED kumawashi ahlakaniphile

Ngokombono wedizayini, khuluma ngedizayini yesibani samandla aphezulu e-LED, futhi ngokombono wezakhiwo, ukukhanya kwe-LED kwesibani sobuhlalu bamandla aphezulu, okungenzeka kube i-engeli yonjiniyela abaningi abakhethiwe. Kuthiwani uma kudingeka sijule? Ingabe ikhona i-engeli yokusenza sithele? "Uma sikhuluma ngokuqinile, esikuklamayo akubona ubuhlalu besibani samandla aphezulu e-LED, kodwa ukukhanya kobuhlalu besibani samandla aphezulu e-LED kumafacade ahlukene endaweni ngayinye. "Uma sixoxa ngohlelo lokukhanyisa, sinobulili obuningi mayelana nezinga lemvelo yokubuka, kodwa lokhu kungaphandle nje okukwaziyo, futhi kufanele wazi ukuthi kungani. miss. Izimfihlakalo eziningi kakhulu ezifihliwe, mhlawumbe zizokwenza ukuthi ujabule ngokuzumayo, futhi ngokuzumayo uqaphele. Ngesikhathi sokugcina sikhulume ngokwakhiwa kwenani elijwayelekile lobuhlalu belambu le-LED lamandla amakhulu asekelwe ekuboneni okubonakalayo, ngakho-ke kulokhu sibheka, hlobo luni lobuhlobo phakathi kwalabo abahlukene be-LED be-high-power lamp buhlalu, ngoba Idizayini yokukhanyisa ubuhlalu be-LED yamandla aphezulu, kungani kukhona ubukhona "obulungile"? Ake sibheke ubudlelwano phakathi kobumnyama kanye ne-Mingming: Lapho lokhu kufanele kube futhi kube mnyama, lapho abantu bengena ngokuzumayo endaweni ekhanyayo isikhathi eside, kungabikho lutho olubonayo ekuqaleni. Ngemva kwesikhathi esithile, ukuzwela okubonakalayo Kungaleso sikhathi kuphela kancane kancane kwanda, futhi kancane kancane kungabona izinto ezimnyama. Lesi simo sibizwa ngokuthi mnyama. Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

1. Izici zomkhiqizo womthombo wokukhanya we-Tianhui UVLED: 1. Ukusebenzisa ubuhlalu bamalambu baseJapane base-Asia obungenisiwe bokuqala, amandla aphezulu, ukwethembeka okuphezulu, nokuphila isikhathi eside; Umklamo omuhle kakhulu wokukhipha ukushisa uqinisekisa ukuthi ubuhlalu besibani busebenza ngokuzinza ngaphakathi kwebanga elithile lokushisa; 4. Yamukela izintambo ezithambile eziphezulu, impilo ende, kanye nokunqanda ukuphazamiseka, okungalungela izinhlelo zokusebenza ezizenzakalelayo ezidinga ukunyakaza. Okwesibili, ukuma kwekhanda lemisebe: i-tianhui i-self-cold dot source light head head Tianhui air -cooled dot light source light head three, wavelength 365nm indawo yokukhanya namandla okukhanya ipharamitha: usayizi wendawo yokukhanya (mm) 4 8 10 15 20 ukuphakama amandla okukhanya (mw/cm2) 8000250015001000700450 Ukuphakama komsakazo okunconyiwe (MM MM MM ) 12-1515-2015-2035-4045-5050-55 4. Amanye amapharamitha: ubude bomugqa wokuxhuma 1.5m noma i-predencer yempilo eyenziwe ngokwezifiso Pume izinga lokushisa nomswakama cishe 20000h 0-50 C 20% -85%RH ukusetshenziswa kwamandla okukodwa cishe kwe-4W Ukushayela indlela ye-PWM yokukhipha ukushisa kubanda noma kubanda Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Kunezinhlobo eziningi zobuhlalu besibani se-LED emakethe. Akulula ukukhetha ubuhlalu besibani se-LED obufanelana nawe phakathi kwemikhiqizo eminingi. Ubuhlalu besibani se-LED obukhiqiziwe buye babonwa futhi banconywa ngabasebenzisi abaningi emakethe. Ibonwa ngumsebenzisi, okuwubuhlalu besibani se-3528LED. Ngakho-ke yiziphi izici zobuhlalu besibani obuhlala njalo be-3528LED? Ubuhlalu besibani esingu-3528LED, ukubola kokukhanya kobuhlalu besibani obungu-3528LED. Ngemuva kokuthi i-LED isebenza, i-20mA izoqhubeka nokukhanya ngokujwayelekile, futhi ukukhanya kuzokhula kancane kancane. Izosebenza cishe amahora angu-1500. Ukukhanya kuzokwenyuka ngo-12%. 25%; Ubuhlalu besibani se-3528LED bungadlula i-40mA yamanje, yamanje evamile ingu-20mA, futhi ukukhanya kwe-30mA ngeke kuthinte ukwehluleka kokukhanya; 3528LED ubuhlalu belambu ukukhanya okuphezulu, nemibala egqamile nayo igxile kakhulu. Impilo yesevisi yinde kakhulu futhi inenqubo yokubola kokukhanya okuphansi kakhulu. Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Njengoba amakhasimende evame ukufona ukuze abonane nemishini yokwelapha iglue ye-UVLED, amanye amakhasimende aphinde asho ukuthi ijubane lokwelapha lishesha ngokwanele. Kodwa-ke, kunezici ezimbili zezinto ezithinta ukuphulukiswa kweglue ye-UVLED: 1. I-CICF: Ngokuya nge-substrate, ukugqoka, ukuphulukisa isikhawu, njll., ukulungiswa okufanele kwesivinini sokuphulukisa idivayisi. Ijubane lokuphulukisa lishesha kakhulu, futhi lithambekele ekubukeni kwesisekelo seglue ye-UVLED enamathela noma yomisa ukubukeka; uma isivinini sokusebenza sihamba kancane, ukubukeka kwe-substrate kuyoba ukuguga. 2. I-UV LED glue coating: Ugqinsi lweglue lwe-UV LED ludlala indima ebalulekile ekuqinisweni kwe-UVLED. I-coating iminyene kakhulu, futhi isikhathi side kakhulu ngaphansi kokukhanya komthombo ofanayo wokukhanya wamandla. Ngakolunye uhlangothi, kuthinta ukuphulukiswa kweglue ye-UVLED. Ngakolunye uhlangothi, kuzokwenza ukubonakala kokubukeka kwe-substrate kube phezulu kakhulu, okuzobangela ukubukeka komkhiqizo umehluko wenkazimulo. Eqinisweni, izinga lokuphulukiswa kweglue ye-UVLED, ukujula kokwelapha kokugcina kanye nomthelela wokomisa kuhlobene nezici ezifana nemithombo yokukhanya kwe-ultraviolet, isikhathi sokukhanyisa, nokudluliswa kokukhanya okubonakalayo. Kunconywa ukunquma isikhathi esithile sokuqina ngokuhlolwa. Umshini wethu wokwelapha iglue we-UVLED wenkampani unamabhendi amathathu: 365, 395, kanye nemishini yokwelapha ye-UVLED engu-405, futhi amandla okukhipha imisebe ahlukile. Amandla okushiswa kwemisebe yamandla alungisekayo kungaxhunywana nawo. Kukhona engahlangabezana nezidingo zakho. Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Ingxenye yeglue ye-Lotte cishe i-50% yemakethe, ngakho-ke izicelo eziningi zizosebenzisa ingcina kaLotte. I-Leste 3211 iyiglue ye-UV eyethulwe yi-LETII. Isetshenziselwa imishini yezokwelapha. , Futhi ube nezici zokungafuduki, ukunamathela kwe-PC okuguquguqukayo okuphezulu, ukuqhekeka kokucindezeleka okuncane nezinye izici. Ukusetshenziswa okujwayelekile: ingilazi, insimbi, ipulasitiki. Umbala usobala, ulungele ama-substrates: amaphedi okuqhuba ukushisa, ingilazi, insimbi. Ishadi lejika limi kanje: Idivayisi yokwelapha ye-UVLED ye-TIANHUI inomphumela ongcono ekwelapheni iglue ye-Leotai, futhi isikhathi sokwelapha sinciphile uma kuqhathaniswa. Akukwazi nje ukuthuthukisa ukusebenza kahle, kodwa akuthinti ukuphulukiswa kweglue. Kuyisinqumo esihle. Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Ukuqina kwe-UVLED, isimo esiyinhloko ukuthi ukumuncwa kwamangqamuzana okukhanya kwe-quantum enamandla anele kuba i-molecule yokuvuselela, ibola ibe ama-radicals mahhala noma ama-ion, ukuze izinto ze-organic unsaturated zisetshenziselwe ukuhlanganisa, amagatsha, ukuxhumanisa okuphambene nokunye ukusabela kwamakhemikhali, ukuze kuzuzwe inhloso yokuqinisa. 1. Amandla e-UVLED adingwa i-ejenti ye-Knowing Optical Discovering uwukuqinisekisa ukuqina okuphelele, amandla esayensi namandla anengqondo ahlinzekwa ukunikezwa avamile kunamandla awadingayo. 2. Angiwazi amandla e-UVLED adingwa ukukhanya okubangelwa imbangela yokukhanya, futhi ukunikezwa kuwukunikezwa ngokungaboni. Izindlela azigcini nje ngokumosha amandla, kodwa futhi zibangela imiphumela emibi yokuqiniswa ngokweqile, njengokuqoqa ukuqhuma, ukusabela okulwa nolaka, njll. 3. Uma i-UVLED inganele, amandla e-UVLED kumele abemaphakathi, okusho ukuthi, awakwazi ukudlulela noma anganele. 4. Uma kuqhathaniswa nezibani ze-mercury ezivamile nezibani ze-halogen, i-UVLED ingeyemisebe ye-ultraviolet yobude obubodwa. Ububanzi be-wavelength buncane. Ngokuvamile cishe i-5nm ku-5nm ephozithivu nenegethivu. Khetha ubude begagasi be-UVLED obufana nembangela yokukhanya. 5. Ngenqubo yokwelapha, imbangela ye-optical idinga ukuqina ngokuphelele ngesikhathi esisodwa. Uma amandla e-ultraviolet emancane kakhulu, umphumela wokuqiniswa awumuhle. Kunconywa ukuthi ulungise amandla okwelapha e-UVLED futhi. Isikhathi sokuphulukisa se-UVLED, njll. Ukuze uthole ulwazi olwengeziwe, sicela uthinte i-Tianhui! Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Muva nje, amakhasimende amaningi athintana nobuchwepheshe bokuphrinta be-UV be-TIANHUI kanye nemishini emkhakheni wobuchwepheshe bezimonyo. Eqinisweni, emakhathoni wokuphrinta wezimonyo nezikhwama zentuthu, amaphrinta anamathelayo ephepha elilodwa athola inzuzo enkulu. Njengamanje, amayunithi wokukhanya amayunithi amaningi abe ukwakheka okuyisisekelo kakhulu kwamaphrinta okunamathisela ephepha elilodwa. Ngayo, ingaqedela kalula ukukhanya kwemiphumela ekhethekile, futhi lokhu kudinga imishini yokwelapha ye-UVLED. Ezinye izinto ezikhethekile zivame ukusetshenziswa ekufakweni kwezimonyo: amakhadibhodi ensimbi, iphepha lekhadi eliyinhlanganisela kanye ne-aluminium jet paper, kanye nokusetshenziswa kwamakhadibhodi acutshungulwe ngokukhanya, asetshenziswa kabanzi emkhakheni wokupakishwa kwe-makeup crystal, okubonisa ukuthi kuya ngokuya kuyanda. esetshenzisiwe, ekhombisa umfutho wokukhula okuqhubekayo nokuzinzile. Izinto ezintsha eziyinhlanganisela esobala seziqalile ukusetshenziswa emabhokisini epulasitiki. Njengoba lezi zinto eziphrintiwe zingakwazi ukuphrinta ngezindlela ezijwayelekile, kufanele zithole imiphumela elindelekile ngobuchwepheshe be-UV. Ukusetshenziswa kwemishini nakho kuvame kakhulu. Ngokwalo mkhuba, ukuphrinta kwe-UV kuzoba ukucushwa okujwayelekile esikhathini esizayo, okungahlangabezana ngokugcwele nezidingo ezikhethekile zemboni yezimonyo. I-Tianhui yinkampani yobungcweti egxile emishinini yokwelapha ye-UVLED. Ngithemba ukubambisana futhi ngiwine isimo sokuwina-win namakhasimende nozakwethu emkhakheni we-UVLED ukuze ngidale ikusasa elingcono. Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Ukuqina okujulile kwemisebe ye-ultraviolet, isimo esiyinhloko ukuthi i-molecule kufanele imunce i-quantum yokukhanya ngamandla anele futhi ibe i-molecule evuselelayo, ihlehle ibe ama-radicals mahhala noma ama-ion, ukuze izinto eziphilayo ezingenasici zihlanganiswe, zimenyezelwe, futhi zixhumanise ukufeza injongo yokuqiniswa kwe-Essence Phakathi kwazo, amandla wamandla e-UVLED ezimbotsheni ze-UV zezingubo ze-UV adlula noma angaphansi kwalawo amandla adingwa yi-UVLED adingwa imbangela yokukhanya eyaziwayo. .2, angazi ukuthi amandla e-UVLED adingwa ukukhanya okubangelwa imbangela yokukhanya, awanikeze ngobumpumputhe. Le ndlela ayigcini nje ngokumosha amandla, kodwa futhi idala imiphumela emibi yokuqinisa ngokweqile, njengokuqoqwa kokuqhuma kanye nokusabela kokulwa nokuqina. 3. Uma i-UVLED inganele, amandla e-UVLED kufanele abe ngokulinganisela, okungukuthi, angeke abe ngokweqisa noma anganele, angaqiniswa ngokuphelele. Ukuze uthole ulwazi olwengeziwe, wamukelekile ukungena kusizindalwazi esisemthethweni Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

I-Zhuhai TIANHUI Technology Development Co., Ltd. ungumholi womhlaba wesixazululo esiqinile se-UVLED. Kusetshenziswa ama-LED ekhwalithi ephezulu, izinjini eziningi ezikhanyayo, izinto zokubona nezinto zokupholisa ukuze kukhuliswe ukuqiniswa kwe-UVLED. Isixazululo esiqinile se-TIANHUIUVLED sihlanganisa imithombo yokukhanya yephoyinti le-UVLED, imithombo yokukhanya kwezintambo, nemithombo yokukhanya yobuso. Ukupholisa impilo ye-UVLED ingafinyelela emahoreni angu-20,000 ngaphansi kwezimo zokusebenza ezivamile. Lapho ukwethulwa kwe-LED kuba namandla amaningi, kulapho amakhalori ewakhiqizayo engeziwe. Lokhu kushisa kudinga ukucutshungulwa. I-TIANHUI isebenzisa ubuchwepheshe bayo obukhethekile bokuphatha ukushisa okushisayo ukuze isuse umthwalo oshisayo ohlelweni, ukuze kuqinisekiswe ukuzinza kwezinga lokushisa lokusebenza ukuze i-diode isebenze ngaphansi kwezimo ezinhle kakhulu. I-matrix ye-matrix yakhiwe iqembu lama-UVLEDs awodwa. Ukusebenza kwayo kunqunywa inani lama-LED, izinhlobo, osayizi, ukwakheka kokuhlelwa kanye nezindlela zokusebenzisa amandla. I-TIANHUI technology optical matrix structure ihloselwe ukwakhiwa okuhlangene kanye nokukhiqizwa komkhiqizo, indlela yokupholisa (i-air-cooled and water -cooled) kanye nokusetshenziswa kwayo. Kuze kube manje, imikhiqizo yethu iyimikhiqizo engcono kakhulu futhi enokwethenjelwa kakhulu abakhiqizi besistimu abangayethemba. Ngemva kokuhlelwa kwe-matrix optical, ubuchwepheshe be-Tianhui busebenzisa ubuchwepheshe bayo obuyingqayizivele be-optical ukuze buqondise umthombo wokukhanya noma ezinye izinto ezidinga ukuqina. I-Optical orientation inalokhu okulandelayo okuthathu 1) ukuhlinzeka ngamandla e-UV aphezulu ku-substrate 2) Ukunciphisa amandla ashisayo akhiqizwe i-matrix yokubona 3) Nikeza ngamandla agxiliswe kakhulu ubuchwepheshe bomshini wokwelapha we-UVLED wokwelapha izinhlelo zokusebenza. Ungathintana ne-Tianhui! Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED

Njengomkhiqizi wesipiliyoni seminyaka engaphezu kweshumi ocwaningweni nasekuthuthukisweni nasekukhiqizweni kwemishini yokwelapha ye-UVLED optical, i-TIANHUI ibisebenza kanzima futhi ayizange ime ukuze iqhubeke nokuhlola ijubane locwaningo nentuthuko. Emashumini ambalwa eminyaka adlule, imakethe yasekhaya ayizange ibe yinhle kakhulu, ngoba intengo ishibhile, ukuze izakhamizi eziningi zizwe ukuthi "ezishibhile futhi azikho izimpahla ezinhle", ngakho wonke umuntu ugxile kakhulu ekukhetheni imikhiqizo engenisiwe, ikakhulukazi imishini ethile ebalulekile. nezinsimbi. Ngenxa yomthelela walolu bhubhane kulo nyaka, ukukhiqizwa okuningi kwamanye amazwe nakho kumisiwe. Abakhiqizi abaningi kufanele bazame ukuthola imikhiqizo engashintshwa emakethe yasekhaya, futhi i-Tianhui isiphinde yaba ngumkhiqizi wemishini eqinile ye-UVLED optical eye yadonsa ukunaka komphakathi. Esikhathini esithile esidlule, kwakunamakhasimende amaningi ayefuna ezinye esikhundleni semikhiqizo evela kwamanye amazwe. Ngewebhusayithi esemthethweni ye-Tianhui noma ngokuthintana ne-Tianhui ngabangane nabantu engibajwayele, ngangazi ukuthi i-Tianhui yayinolwazi olucebile kakhulu lokukhiqiza kanye nesipiliyoni sokufaka isicelo sembonini embonini yemishini yokwelapha ye-UVLED optical. Umshini wokwelapha we-UVLED okhiqizwe yi-Tianhui awuzange nje ubonwe amakhasimende amaningi we-Fortune 500, kodwa futhi uye waqashelwa ngamalabhorethri amanyuvesi amakhulu. Uma kuqhathaniswa neminye imishini evamile yokwelapha ye-UVLED emakethe, imishini ye-tianhuiuvled inaka kakhulu ukuzinza komkhiqizo. Kusukela ebuhlalu bezibani, ama-chips kuya ohlelweni lokukhipha ukushisa, kanye nesistimu yokuvikela, baye bahlolwa ngokucophelela nokuhlolwa okuphindaphindiwe. Njengamanje, izisetshenziswa eziyinhloko ze-TIANHUI ziyimithombo yokukhanya yephoyinti le-UVLED, imithombo yokukhanya kwentambo ye-UVLED, imithombo yokukhanya yobuso be-UVLED, ohhavini be-UVLED, izithando zomlilo eziqinile ze-UVLED, njll. Ngokuphathelene nemishini yokwelapha ye-UVLED optical, i-Tianhui ingakunikeza isethi egcwele yezixazululo eziqinile. Umkhiqizo unemikhiqizo ejwayelekile. Ungakwazi futhi ukwenza ngokwezifiso imikhiqizo ngokwezidingo zamakhasimende. Umbhali: Tianhui- Ukubulala Umoya Umbhali: Tianhui- Abakhiqizi be-UV Led Umbhali: Tianhui- Ukubulawa kwamanzi kwe-UV Umbhali: Tianhui- Isixazululo se-UV LED Umbhali: Tianhui- I-UV Led diode Umbhali: Tianhui- Abakhiqizi be-UV Led diodes Umbhali: Tianhui- Imodyuli ye-UV ehola Umbhali: Tianhui- UV LED yokuphrinta UV Umbhali: Tianhui- Isicupho somiyane se-UV LED