Kamar yadda aka fi amfani da allon nunin LED, mutane suna da buƙatu mafi girma don ingancin samfur da tasirin nuni. A cikin tsarin marufi, fasahar SMD na gargajiya ba za ta iya biyan buƙatun aikace-aikacen wasu al'amura ba. Dangane da wannan, wasu masana'antun sun canza hanyar marufi kuma sun zaɓi ƙaddamar da COB da sauran fasahohin, yayin da wasu masana'antun suka zaɓi inganta fasahar SMD. Daga cikin su, fasahar GOB fasaha ce mai jujjuyawa bayan ingantaccen tsarin marufi na SMD.
Don haka, tare da fasahar GOB, shin samfuran nunin LED zasu iya cimma manyan aikace-aikace? Wane yanayi ci gaban kasuwa na gaba na GOB zai nuna? Mu duba!
Tun da ci gaban masana'antar nunin LED, gami da nunin COB, nau'ikan samarwa da marufi iri-iri sun bayyana daya bayan daya, daga tsarin shigar da kai tsaye (DIP) na baya, zuwa tsarin tudu (SMD), zuwa fitowar COB. fasahar marufi, kuma daga ƙarshe zuwa bullar fasahar tattara kayan GOB.
Menene fasahar marufi COB?
Marufi na COB yana nufin cewa kai tsaye yana manne guntu zuwa PCB substrate don yin haɗin lantarki. Babban manufarsa shine don magance matsalar zubar da zafi na nunin nunin LED. Idan aka kwatanta da plug-in kai tsaye da SMD, halayensa sune ceton sarari, sauƙaƙe ayyukan marufi, da ingantaccen sarrafa zafi. A halin yanzu, ana amfani da marufi na COB a wasu ƙananan samfuran.
Menene fa'idodin fasahar fakitin COB?
1. Ultra-haske da bakin ciki: Dangane da ainihin bukatun abokan ciniki, ana iya amfani da allon PCB tare da kauri na 0.4-1.2mm don rage nauyin zuwa akalla 1/3 na samfuran gargajiya na asali, wanda zai iya rage girman tsarin, sufuri da kuma farashin injiniya ga abokan ciniki.
2. Anti- karo da kuma matsa lamba juriya: COB kayayyakin kai tsaye encapsulate LED guntu a cikin concave matsayi na PCB hukumar, sa'an nan kuma amfani da epoxy guduro manne don encapsulate da warkewa. An ɗaga saman filin fitilar zuwa wani wuri mai tasowa, wanda yake da santsi da wuya, mai jurewa ga karo da lalacewa.
3. Babban kusurwar kallo: Marufi na COB yana amfani da iskar haske mai zurfi mara zurfi, tare da kusurwar kallo fiye da digiri 175, kusa da digiri 180, kuma yana da mafi kyawun tasirin launi na gani.
4. Ƙarfin zafin zafi mai ƙarfi: Abubuwan COB suna ɓoye fitilar a kan allon PCB, kuma da sauri canja wurin zafi na wick ta cikin jakar tagulla a kan allon PCB. Bugu da kari, kauri daga cikin tagulla foil na PCB kwamitin yana da tsauraran matakai na tsari, da kuma zinare nutse tsari ba zai haifar da tsanani haske attenuation. Saboda haka, akwai 'yan matattun fitilu, wanda ke kara tsawon rayuwar fitilar.
5. Wurin sa-resistant kuma mai sauƙin tsaftacewa: farfajiya na fam ɗin an cakuda shi cikin wani spheroal surface, wanda yayi laushi da wahala, mai tsayayya da karo; idan akwai mummunan batu, ana iya gyara shi da maki; ba tare da abin rufe fuska ba, ana iya tsabtace ƙura da ruwa ko zane.
6. Dukkanin yanayi mai kyau halaye: Yana ɗaukar jiyya na kariya sau uku, tare da ingantaccen tasirin hana ruwa, danshi, lalata, ƙura, wutar lantarki mai ƙarfi, iskar shaka, da ultraviolet; ya dace da duk yanayin aiki na yanayi kuma har yanzu ana iya amfani da shi kullum a cikin yanayin bambancin zafin jiki na rage digiri 30 zuwa da digiri 80.
⚪Menene fasahar tattara kayan GOB?
GOB fakitin fasaha ce da aka ƙaddamar da ita don magance lamuran kariya na bead ɗin fitilar LED. Yana amfani da ci-gaba m kayan don encapsulate da PCB substrate da LED marufi naúrar samar da m kariya. Ya yi daidai da ƙara daɗaɗɗen kariya a gaban ƙirar LED na asali, don haka samun babban aikin kariya da kuma cimma tasirin kariya guda goma ciki har da mai hana ruwa, tabbatar da danshi, tasirin tasiri, bump-proof, anti-static, gishiri mai yayyafi. , anti-oxidation, anti-blue haske, da anti-vibration.
Menene fa'idodin fasahar tattara kayan GOB?
1. GOB tsari abũbuwan amfãni: Yana da wani sosai m LED nuni allon wanda zai iya cimma takwas kariya: hana ruwa, danshi-hujja, anti- karo, ƙura-proof, anti-lalata, anti-blue haske, anti-gishiri, da kuma anti- a tsaye. Kuma ba zai sami sakamako mai cutarwa a kan zubar da zafi da hasara mai haske ba. Gwaje-gwaje mai tsauri na dogon lokaci ya nuna cewa manne garkuwa yana taimakawa har ma yana taimakawa wajen watsar da zafi, yana rage ƙimar necrosis na beads fitilu, kuma yana sa allon ya zama karko, ta haka yana tsawaita rayuwar sabis.
2. Ta hanyar sarrafa tsarin GOB, granular pixels a saman allon allo na asali an canza su zuwa allon haske na gabaɗaya, suna fahimtar canji daga tushen haske zuwa tushen haske. Samfurin yana fitar da haske daidai gwargwado, tasirin nuni ya fi haske kuma ya fi dacewa, kuma an inganta kusurwar kallon samfurin (duka a kwance da a tsaye na iya kaiwa kusan 180 °), da kawar da moiré yadda ya kamata, inganta haɓaka samfurin, rage haske da haske. , da rage gajiyar gani.
⚪Menene bambanci tsakanin COB da GOB?
Bambanci tsakanin COB da GOB yana cikin tsari. Kodayake kunshin COB yana da shimfidar wuri kuma mafi kyawun kariya fiye da kunshin SMD na gargajiya, kunshin GOB yana ƙara tsari mai cike da manne akan fuskar allo, wanda ke sa fitilun fitilar LED ya fi kwanciyar hankali, yana rage yiwuwar faɗuwa sosai, kuma yana da kwanciyar hankali mai ƙarfi.
Wanne yana da fa'idodi, COB ko GOB?
Babu wani ma'auni wanda ya fi kyau, COB ko GOB, saboda akwai dalilai da yawa don yin hukunci ko tsarin marufi yana da kyau ko a'a. Makullin shine don ganin abin da muke daraja, ko yana da inganci na beads na fitilar LED ko kariya, don haka kowace fasaha na marufi yana da fa'ida kuma ba za a iya haɗa shi ba.
Lokacin da muka zaɓa a zahiri, ko don amfani da fakitin COB ko fakitin GOB yakamata a yi la'akari da su tare da cikakkun bayanai kamar yanayin shigarwa na kanmu da lokacin aiki, kuma wannan yana da alaƙa da sarrafa farashi da tasirin nuni.
Lokacin aikawa: Fabrairu-06-2024
