Tianhui- ib tug ntawm cov ua UV LED nti manufacturers thiab lwm tus neeg muab ODM/OEM UV coj nti kev pab cuam rau ntau tshaj 22+ xyoo.
Koj puas xav paub txog cov kev siv ntawm LED UV 405nm thev naus laus zis? Saib tsis ntxiv! Hauv tsab xov xwm no, peb yuav tshawb txog kev siv thiab ntau yam txiaj ntsig ntawm qhov kev siv thev naus laus zis no. Los ntawm nws cov ntawv thov hauv cov khoom siv kho mob rau nws qhov cuam tshuam rau kev tsim khoom lag luam, peb yuav delve rau hauv txoj hauv kev uas LED UV 405nm thev naus laus zis tau hloov pauv ntau yam haujlwm. Koom nrog peb thaum peb nthuav tawm qhov tsis muaj qhov kawg thiab qhov zoo ntawm qhov kev siv thev naus laus zis no.
Raws li thev naus laus zis txuas ntxiv mus, kev tsim kho tshiab hauv thaj chaw ntawm LED UV 405nm thev naus laus zis tau tsim, hloov pauv ntau yam kev lag luam thiab cov txheej txheem. Hauv tsab xov xwm no, peb yuav delve rau hauv kev siv thiab cov txiaj ntsig ntawm qhov kev siv thev naus laus zis no, thaum tseem tau txais kev nkag siab zoo ntawm nws cov hauv paus.
LED UV 405nm thev naus laus zis hais txog kev siv lub teeb-emitting diodes (LEDs) uas emit ultraviolet (UV) lub teeb ntawm lub wavelength ntawm 405nm. Qhov tshwj xeeb wavelength no paub txog nws lub peev xwm los kho tau zoo thiab polymerize ntau yam ntaub ntawv, ua rau nws muaj ntau yam cuab yeej hauv ntau daim ntawv thov.
Ib qho ntawm cov kev siv tseem ceeb ntawm LED UV 405nm thev naus laus zis yog nyob rau hauv thaj tsam ntawm 3D luam ntawv. Nrog rau nws cov meej thiab tswj kev kho muaj peev xwm, cov thev naus laus zis no ua rau kev kho sai thiab ua tau zoo ntawm photopolymer resins siv hauv stereolithography (SLA) thiab digital light processing (DLP) 3D printers. Qhov no ua rau kev tsim cov khoom zoo, ruaj khov 3D-luam tawm nrog cov ntsiab lus sib txawv thiab du nto.
Tsis tas li ntawd, LED UV 405nm thev naus laus zis tau siv dav hauv cov txheej txheem txheej thiab cov nplaum. Lub teeb UV emissions ntawm no wavelength pib txheej txheem kho ntawm UV-kho coatings thiab adhesives, ua rau kom qhuav sai, ruaj finishes. Qhov no yog qhov tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv kev lag luam xws li tsheb, hluav taws xob, thiab kev tsim kho, qhov chaw tsim khoom sai thiab kev sib dhos yog qhov tseem ceeb.
Ntxiv rau nws siv hauv 3D luam ntawv thiab txheej txheej, LED UV 405nm thev naus laus zis kuj tau siv hauv kev kho mob thiab kho hniav. Nws ua lub luag haujlwm tseem ceeb hauv kev kho cov hniav sib xyaw thiab cov khoom siv kho hniav, ua kom lub neej ntev thiab lub zog ntawm kev kho hniav kho hniav. Ntxiv mus, nws yog qhov tseem ceeb hauv kev ua kom tsis muaj menyuam ntawm cov cuab yeej kho mob thiab cov cuab yeej siv, vim UV lub teeb ntawm 405nm muaj txiaj ntsig zoo hauv kev tua kab mob thiab kab mob.
Cov txiaj ntsig ntawm LED UV 405nm thev naus laus zis muaj ntau heev thiab ncav cuag. Nws lub zog txuag hluav taws xob thiab lub neej ntev ua rau kev txuag nqi thiab txo kev cuam tshuam ib puag ncig. Tsis tas li ntawd, nws lub peev xwm qhib / tawm tam sim thiab kev tswj xyuas meej ntawm kev kho cov txheej txheem pab txhawb kev tsim khoom thiab kev sib luag hauv kev tsim khoom. Tsis tas li ntawd, kev siv lub teeb UV ntawm 405nm wavelength minimizes tshav kub, yog li tiv thaiv kev puas tsuaj rau cov ntaub ntawv rhiab thiab substrates.
Nws yog ib qho tseem ceeb kom nco ntsoov tias kev nkag siab zoo thiab kev siv ntawm LED UV 405nm thev naus laus zis yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo. Cov yam ntxwv xws li lub sij hawm raug, lub teeb siv, thiab cov khoom sib raug zoo yuav tsum tau ua tib zoo txiav txim siab los xyuas kom meej qhov kev ua tau zoo thiab polymerization ntawm cov ntaub ntawv UV-rhiab heev.
Hauv kev xaus, LED UV 405nm thev naus laus zis tau tshwm sim los ua kev hloov pauv kev ua si nrog ntau yam kev siv thiab qhov zoo tseem ceeb. Los ntawm 3D luam ntawv mus rau txheej txheej, thiab los ntawm kev kho mob kom tsis muaj menyuam mus rau kev kho hniav, nws cov kev cuam tshuam tseem muaj nyob thoob plaws ntau qhov kev lag luam. Raws li cov thev naus laus zis no txuas ntxiv mus, nws lub peev xwm rau kev nce qib ntxiv thiab kev ua tiav tseem muaj kev vam meej.
LED UV 405nm thev naus laus zis tau hloov pauv ntau yam kev lag luam nrog nws cov txiaj ntsig thiab kev siv ntau. Los ntawm kev saib xyuas kev noj qab haus huv mus rau kev tsim khoom, lub tshuab thev naus laus zis no ua rau nthwv dej thiab hloov pauv txoj kev lag luam. Hauv tsab xov xwm no, peb yuav tshawb txog ntau yam txiaj ntsig ntawm kev siv LED UV 405nm thev naus laus zis hauv ntau lub lag luam thiab yuav ua li cas nws hloov qhov kev ua si rau kev lag luam thoob ntiaj teb.
Hauv kev lag luam kev noj qab haus huv, LED UV 405nm thev naus laus zis tau siv rau kev tua kab mob. Nws muaj peev xwm tua tau cov kab mob, kab mob, thiab lwm yam kab mob ua rau nws muaj txiaj ntsig zoo hauv cov chaw kho mob. Cov tsev kho mob tau siv cov cuab yeej no los tua cov cuab yeej kho mob, qhov chaw, thiab txawm tias huab cua, txhawm rau tsim kom muaj kev nyab xeeb thiab huv dua rau cov neeg mob thiab cov neeg ua haujlwm. Qhov no tau ua pov thawj tias yog qhov tseem ceeb hauv kev tiv thaiv kev kis tus kab mob thiab kab mob, thaum kawg cawm neeg txoj sia thiab txo cov nqi kho mob.
Hauv kev lag luam tsim khoom, LED UV 405nm thev naus laus zis tau siv los kho cov nplaum nplaum, txheej txheej, thiab inks. Nws muaj peev xwm muab instant curing thiab txo lub sij hawm ntau lawm revolutionized lub manufacturing txheej txheem. Cov thev naus laus zis no kuj tau ua pov thawj tias muaj zog ntau dua thiab muaj txiaj ntsig zoo piv rau cov txheej txheem kho ib txwm muaj, ua rau nws nyiam xaiv rau ntau lub tuam txhab.
Tsis tas li ntawd, LED UV 405nm thev naus laus zis kuj tau siv hauv kev lag luam luam ntawv. Nws lub peev xwm los tsim cov ntawv luam tawm zoo hauv lub sijhawm luv luv tau ua rau nws hloov pauv kev ua si rau cov lag luam hauv cov haujlwm no. Qhov tseeb thiab ceev ntawm LED UV 405nm thev naus laus zis tau tso cai rau cov lag luam kom ua tau raws li lub sijhawm teem sijhawm thiab tsim cov ntawv luam tawm nrog cov khoom zoo, thaum kawg ua rau cov neeg siv khoom siab dua thiab cov txiaj ntsig tau nce ntxiv.
Tsis tas li ntawd, LED UV 405nm thev naus laus zis kuj tau pom nws txoj hauv kev rau kev lag luam zaub mov thiab dej haus. Nws lub peev xwm los txuas ntxiv lub txee lub neej ntawm cov khoom noj khoom haus los ntawm inhibiting kev loj hlob ntawm cov kab mob thiab pwm tau ua ib qho kev ua si-hloov rau cov lag luam hauv cov haujlwm no. Cov thev naus laus zis no kuj tau siv los ua kom tsis muaj menyuam cov khoom ntim khoom noj thiab khoom siv, ua kom muaj kev nyab xeeb thiab zoo ntawm cov khoom noj khoom haus.
Hauv kev lag luam tsheb, LED UV 405nm thev naus laus zis tau siv los ua cov nplaum nplaum thiab kho. Nws lub peev xwm los muab kev kho tam sim thiab kev sib raug zoo siab tau ua rau nws yog ib qho tseem ceeb hauv kev tsim tsheb. Cov thev naus laus zis no tau ua pov thawj kom ntseeg tau ntau dua thiab ua haujlwm zoo piv rau cov txheej txheem kho ib txwm, thaum kawg txhim kho qhov zoo thiab ua haujlwm ntawm cov khoom siv tsheb.
Thaum LED UV 405nm thev naus laus zis tau ua rau muaj kev cuam tshuam loj hauv ntau qhov kev lag luam, nws lub peev xwm rau kev loj hlob thiab kev tsim kho tshiab tsis muaj kev txwv. Raws li kev lag luam txuas ntxiv tshawb nrhiav thiab siv cov txiaj ntsig ntawm cov cuab yeej thev naus laus zis no, qhov ua tau rau nws siv yog qhov kawg. Los ntawm kev kho mob mus rau kev tsim khoom, qhov cuam tshuam ntawm LED UV 405nm thev naus laus zis yog qhov tsis lees paub, thiab nws lub neej yav tom ntej zoo li ci ntsa iab.
LED UV 405nm thev naus laus zis tau pom ntau yam kev siv hauv ob qho tib si kev kho mob thiab kev tshawb fawb, hloov pauv txoj kev ua ntau yam txheej txheem. Cov tshuab no tau ua pov thawj tias muaj txiaj ntsig zoo, muab ntau qhov zoo dua li cov txheej txheem ib txwm muaj. Hauv tsab xov xwm no, peb yuav tshawb txog ntau hom kev siv thiab cov txiaj ntsig ntawm LED UV 405nm thev naus laus zis hauv cov haujlwm tseem ceeb no.
Hauv kev kho mob, LED UV 405nm thev naus laus zis tau ua lub luag haujlwm tseem ceeb hauv kev ua kom tsis muaj menyuam thiab tua kab mob. Lub 405nm wavelength tau pom tias muaj txiaj ntsig zoo hauv kev tua ntau yam kab mob, suav nrog cov kab mob, kab mob, thiab fungi. Qhov no tau ua rau nws siv dav hauv kev siv tshuaj tua kab mob, qhov chaw, thiab txawm tias huab cua hauv cov chaw kho mob. Kev siv LED UV 405nm thev naus laus zis tau ua pov thawj tias yog qhov tseem ceeb hauv kev txo qis kev pheej hmoo ntawm kev noj qab haus huv cuam tshuam kev kis kab mob, thaum kawg ua rau cov neeg mob tau txais txiaj ntsig zoo dua.
Tsis tas li ntawd, LED UV 405nm thev naus laus zis kuj tau ua haujlwm hauv kev kho duab kho mob rau ntau yam tawv nqaij. Lub 405nm wavelength tau pom tias muaj txiaj ntsig zoo hauv kev tsom thiab kho cov mob xws li psoriasis, eczema, thiab pob txuv. Qhov kev kho mob uas tsis yog-tus kab mob no tau txais kev muaj koob meej vim nws qhov kev mob tshwm sim tsawg thiab ua tau zoo, muab cov neeg mob kev xaiv kev kho mob zoo dua thiab muaj txiaj ntsig.
Hauv kev tshawb fawb, LED UV 405nm thev naus laus zis tau qhib qhov muaj peev xwm tshiab hauv kev tshawb fawb thiab kev sim. Qhov tseeb thiab tswj qhov xwm txheej ntawm cov thev naus laus zis no tau ua rau nws muaj txiaj ntsig hauv ntau yam kev tshawb fawb, suav nrog fluorescence microscopy, flow cytometry, thiab DNA tsom xam. Lub 405nm wavelength yog tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau cov fluorescent dyes thiab cov proteins, uas tso cai rau cov neeg tshawb nrhiav pom thiab kawm txog cov txheej txheem lom neeg nrog qhov tseeb tshwj xeeb thiab raug.
Tsis tas li ntawd, LED UV 405nm thev naus laus zis kuj tau ua haujlwm hauv thaj chaw bioimaging, qhov uas nws siv los teeb pom kev thiab ntes cov duab ntawm cellular thiab molecular lug. Qhov no tau ua rau muaj txiaj ntsig zoo rau kev nkag siab thiab kawm txog qhov nyuaj ntawm cov kab ke lom neeg, thaum kawg ua rau muaj kev cuam tshuam hauv ntau qhov chaw ntawm kev tshawb fawb.
Cov txiaj ntsig ntawm LED UV 405nm thev naus laus zis hauv ob qho tib si kev kho mob thiab kev tshawb fawb tsis tuaj yeem lees paub. Nws cov xwm txheej tsis muaj cua sov thiab lub peev xwm ua kom pom tseeb ua rau nws muaj kev nyab xeeb thiab siv tau zoo rau ntau yam kev siv. Tsis tas li ntawd, lub zog txuag hluav taws xob thiab kav ntev ntawm LED UV 405nm thev naus laus zis ua rau nws muaj txiaj ntsig zoo rau cov tsev kho mob thiab kev tshawb fawb, thaum kawg ua rau muaj txiaj ntsig ntau ntxiv thiab txo cov nqi ua haujlwm.
Hauv kev xaus, cov ntawv thov ntawm LED UV 405nm thev naus laus zis hauv kev kho mob thiab kev tshawb fawb tau hloov pauv ntau yam txheej txheem thiab cov txheej txheem, muab ntau yam txiaj ntsig thiab qhov zoo ntawm cov txheej txheem ib txwm muaj. Raws li thev naus laus zis txuas ntxiv mus, lub peev xwm rau kev siv ntxiv thiab kev tsim kho tshiab hauv cov haujlwm no tsis muaj kev txwv, thaum kawg ua rau cov txiaj ntsig tau zoo dua qub thiab nkag siab tob txog qhov nyuaj ntawm tib neeg lub cev thiab lub ntiaj teb ntuj tsim.
LED UV 405nm thev naus laus zis tau ua qhov tseem ceeb hauv xyoo tas los no thiab tau siv dav hauv ntau lub lag luam. Cov thev naus laus zis no tsis yog tsuas yog hloov pauv cov txheej txheem thiab cov txheej txheem tsim khoom xwb tab sis kuj muaj qhov cuam tshuam zoo rau ib puag ncig. Hauv tsab xov xwm no, peb yuav tshawb txog qhov cuam tshuam ib puag ncig ntawm LED UV 405nm thev naus laus zis thiab nws cov kev siv thiab cov txiaj ntsig.
LED UV 405nm thev naus laus zis hais txog kev siv lub teeb-emitting diodes (LEDs) uas emit ultraviolet (UV) lub teeb ntawm lub wavelength ntawm 405 nanometers. Cov tshuab no tau siv dav hauv kev lag luam xws li luam ntawv, tsim khoom, thiab kev kho mob, thiab lwm yam. Kev siv LED UV 405nm thev naus laus zis muaj ntau yam txiaj ntsig ib puag ncig, feem ntau vim nws lub zog ua haujlwm thiab txo qis ib puag ncig hneev taw.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm LED UV 405nm thev naus laus zis yog nws lub zog ua haujlwm. Tsoos UV kho tshuab siv mercury vapor teeb, uas siv lub zog loj thiab muaj lub neej luv luv. Hauv qhov sib piv, LED UV 405nm thev naus laus zis muaj lub neej ntev dua thiab siv txog li 70% tsawg zog dua li cov txheej txheem UV kho. Qhov kev txo qis hauv kev siv hluav taws xob no txhais tau tias txo qis carbon emissions thiab cuam tshuam rau ib puag ncig me me.
Tsis tas li ntawd, LED UV 405nm thev naus laus zis tsis tawm ozone teeb meem lossis tsim cov khib nyiab pov tseg, ua rau nws muaj kev xaiv zoo dua qub thiab zoo ib puag ncig. Tsoos UV curing systems tsim ozone raws li cov khoom lag luam, uas ua rau muaj kev phom sij rau ib puag ncig thiab tib neeg kev noj qab haus huv. Hauv qhov sib piv, LED UV 405nm thev naus laus zis tsim tsis muaj ozone, txo cov pa phem thiab ua rau muaj kev noj qab haus huv ua haujlwm.
Lwm qhov txiaj ntsig ib puag ncig ntawm LED UV 405nm thev naus laus zis yog nws txo qis hauv tsev cog khoom roj emissions. Lub zog siv hluav taws xob ntawm LED UV 405nm thev naus laus zis txhais tau tias kev siv hluav taws xob qis dua, uas ua rau txo qhov kev thov rau fossil fuels thiab txo qis hauv tsev cog khoom roj emissions. Qhov no ua rau LED UV 405nm thev naus laus zis yog qhov kev xaiv zoo dua rau kev lag luam nrhiav kom txo lawv cov kev cuam tshuam ib puag ncig.
Ntxiv rau nws cov txiaj ntsig ib puag ncig, LED UV 405nm thev naus laus zis kuj tseem muaj ntau yam zoo. Nws muab kev kho tam sim, ua rau lub sij hawm tsim khoom sai dua thiab nce cov khoom tsim tau. Tsis tas li ntawd, LED UV 405nm thev naus laus zis ua rau siv ntau yam ntawm cov substrates thiab txheej txheej, ua rau nws muaj ntau yam kev daws teeb meem rau ntau yam kev siv.
Hauv kev xaus, LED UV 405nm thev naus laus zis muaj ntau yam kev pab cuam ib puag ncig, suav nrog kev siv hluav taws xob, txo cov pa hluav taws xob hauv tsev, thiab ib puag ncig me me. Nws cov txiaj ntsig zoo thiab kev siv ntau yam ua rau nws yog qhov kev xaiv zoo rau kev lag luam nrhiav kev txhim kho lawv cov kev ua tau zoo ib puag ncig thaum tswj hwm qib siab ntawm cov khoom lag luam. Raws li qhov kev thov rau kev siv thev naus laus zis txuas ntxiv mus txuas ntxiv, LED UV 405nm thev naus laus zis tau npaj los ua lub luag haujlwm tseem ceeb hauv kev tsim lub neej yav tom ntej ib puag ncig.
LED UV 405nm thev naus laus zis tau hloov pauv hauv ntau qhov kev lag luam, thiab nws cov kev txhim kho yav tom ntej thiab kev tsim kho tshiab txuas ntxiv txhim kho nws cov kev siv thiab cov txiaj ntsig. Hauv tsab xov xwm no, peb yuav tshawb txog ntau yam kev siv thiab qhov zoo ntawm LED UV 405nm thev naus laus zis, nrog rau cov peev txheej tsim thiab kev tsim kho tshiab ntawm lub qab ntug.
LED UV 405nm thev naus laus zis tau hloov pauv kev lag luam luam ntawv, muab sijhawm kho sai dua, txo lub zog siv, thiab ua kom muaj zog dua piv rau cov txheej txheem UV kho. Qhov tseeb wavelength ntawm 405nm tso cai rau kev kho kom zoo ntawm UV inks thiab coatings, uas ua rau cov khoom zoo, vibrant prints nrog tsawg tsawg tshav kub tiam.
Lwm daim ntawv thov tseem ceeb ntawm LED UV 405nm thev naus laus zis yog nyob rau hauv kev kho mob, qhov twg nws yog siv rau kev ua kom tsis muaj menyuam thiab tua kab mob. Lub 405nm wavelength muaj txiaj ntsig zoo tshem tawm cov kab mob, kab mob, thiab lwm yam kab mob, ua rau nws yog ib qho cuab yeej tseem ceeb hauv kev tswj kom huv thiab tsis muaj menyuam nyob hauv cov chaw kho mob.
Hauv kev tsim khoom lag luam, LED UV 405nm thev naus laus zis tau raug coj los siv rau cov nplaum kho, kev sib txuas, thiab cov txheej txheem sib khi. Nws muaj peev xwm kho tau sai thiab muaj peev xwm sib txuas ntau yam ntaub ntawv ua rau nws yog qhov kev daws teeb meem zoo tshaj plaws rau kev sib dhos kab ntau lawm, ua rau muaj kev ua tau zoo thiab tsim khoom.
Raws li qhov kev thov rau ib puag ncig tus phooj ywg thiab lub zog siv thev naus laus zis txuas ntxiv zuj zus, LED UV 405nm thev naus laus zis tau tshwm sim los ua lwm txoj hauv kev rau kev kho ib txwm siv. Nws qhov kev siv hluav taws xob tsawg, lub teeb UV LED siv tau ntev, thiab txo qis kev siv cov tshuaj phem ua rau nws xaiv ib puag ncig zoo rau kev lag luam thiab kev lag luam.
Saib tom ntej, kev txhim kho yav tom ntej thiab kev tsim kho tshiab hauv LED UV 405nm thev naus laus zis tau npaj los txhim kho nws cov kev siv thiab cov txiaj ntsig ntxiv. Ib cheeb tsam ntawm kev nce qib uas muaj peev xwm yog nyob rau hauv kev txhim kho ntau dua thiab raug nqi UV LED teeb. Cov kws tshawb fawb thiab cov chaw tsim khoom tau ua haujlwm rau kev ua kom lub neej ntev thiab ruaj khov ntawm UV LED teeb, nrog rau kev tshawb nrhiav cov ntaub ntawv tshiab thiab cov qauv tsim los txhim kho kev ua haujlwm tag nrho.
Tsis tas li ntawd, kev nce qib hauv UV 405nm kho cov cuab yeej yog tsom rau kev txhim kho qhov tseeb thiab tswj cov txheej txheem kho. Qhov no suav nrog kev txhim kho cov tshuab ua kom txias dua thiab kho qhov muag kom ntseeg tau tias kev kho zoo ib yam thiab zoo sib xws ntawm cov substrates thiab kev siv sib txawv.
Lub peev xwm rau kev sib koom ua ke LED UV 405nm thev naus laus zis rau hauv kev lag luam tshiab thiab kev siv kuj yog thaj tsam ntawm kev tshawb nrhiav thiab kev tsim kho tshiab. Los ntawm cov ntim khoom noj thiab cov neeg siv khoom siv hluav taws xob mus rau tsheb thiab aerospace, kev siv ntau yam ntawm LED UV 405nm thev naus laus zis muab sijhawm rau kev nthuav dav mus rau ntau qhov chaw.
Hauv kev xaus, LED UV 405nm thev naus laus zis tau ua pov thawj tias yog cov cuab yeej muaj txiaj ntsig thiab muaj txiaj ntsig thoob plaws ntau yam kev lag luam, muab ntau yam txiaj ntsig ntawm kev ua tau zoo, kev ruaj khov, thiab kev ua haujlwm. Raws li kev txhim kho tsis tu ncua thiab kev tsim kho tshiab txuas ntxiv txhim kho lub neej yav tom ntej ntawm cov thev naus laus zis no, lub peev xwm rau kev siv ntau dua thiab cov txiaj ntsig tau zoo. Ua tim khawv txog kev hloov pauv thiab nthuav dav ntawm LED UV 405nm thev naus laus zis yuav ua rau muaj kev vam meej ntxiv thiab muaj cib fim rau kev lag luam thiab kev lag luam tshawb nrhiav.
Hauv kev xaus, kev tshawb fawb ntawm LED UV 405nm thev naus laus zis tau qhib lub ntiaj teb ntawm kev muaj peev xwm thiab cov txiaj ntsig hauv ntau qhov kev lag luam. Nws siv hauv kev kho, tshuaj tua kab mob, thiab lwm yam kev siv tau ua pov thawj tias muaj txiaj ntsig zoo, muaj txiaj ntsig zoo, thiab ib puag ncig tus phooj ywg. Nrog 20 xyoo ntawm kev paub hauv kev lag luam, peb lub tuam txhab zoo siab los txuas ntxiv tshawb nrhiav thiab siv cov cuab yeej siv thev naus laus zis no kom tau raws li cov kev xav tau ntawm peb cov neeg siv khoom. Peb tos ntsoov rau kev nce qib ntxiv thiab kev siv LED UV 405nm thev naus laus zis hauv xyoo tom ntej.