Kwimeko yezobuchwepheshe yanamhlanje ephucula ngokukhawuleza, izisombululo zokubonisa i-LED zitshintshe kakhulu. Itekhnoloji ye-LED itshintshe kakhulu ishishini lokukhanyisa, ibonelela ngeendlela ezisebenzisa amandla kakuhle nezihlala ixesha elide kubathengi nakumashishini ngokufanayo. Phakathi kweendlela ezahlukeneyo zokumisela i-LED, i-COB (i-Chip on Board) ivele njengokhetho oluphezulu ngenxa yeempawu zayo zobugcisa. Kweli nqaku, siza kujonga izizathu zokuba kutheni i-COB inethuba elingcono kunetekhnoloji ye-SMD (iSurface Mount Device) esetyenziswa kakhulu. Ukususela ekukhupheni kwayo ubushushu obuphantsi ukuya ekukhuselekeni okuphuculweyo kwimiba yokusingqongileyo, i-COB idlula ngokwenene abakhuphisana nayo.
1.I-SMD vs. COB: Yeyiphi engcono?
Xa kufikwa kubuchwepheshe bokubonisa i-LED, kukho abakhuphisanayo ababini abaphambili: i-SMD kunye ne-COB. Nangona i-Surface Mount Device ibisoloko iyindlela efanelekileyo yokukhanyisa i-LED, i-COB iye yavela njengenye indlela enamandla.
Ngokungafaniyo ne-SMD, equlathe ii-diode ze-LED ezifakwe ngokwahlukeneyo kwibhodi yesekethe, i-COB ifaka iitships ezininzi ze-LED ngaphakathi kwimodyuli enye. Olu lwakhiwo lukhethekileyo alupheleli nje ekunyuseni ukukhanya kunye nokuqina kokukhanya kodwa lukwanciphisa ukuncitshiswa kokukhanya kumgama omde. Uyilo oluphambili lwe-COB luphumela ekukhanyeni okungenamthungo okufana kunye nombala ophezulu.
II. Ubushushu obuphantsi obunobushushu obuncinci
Enye yezona nzuzo ziphambili ze-COB kune-SMD kukuba inamandla okulawula ubushushu aphezulu. Itekhnoloji ye-COB inika ukumelana okuphantsi kobushushu ngenxa yoyilo lwayo oluncinci. Ukumelana nobushushu kumisela indlela ubushushu obuphela ngayo kwimodyuli ye-LED, okwenza i-COB isebenze ngakumbi ekunciphiseni ukwakheka kobushushu. Oku akupheleli nje ekuphuculeni ixesha elide kunye nokunciphisa iimfuno zokugcinwa kodwa kukwaphucula ukhuseleko njengeIimodyuli ze-COBazinawo amathuba amaninzi okugqithisa kakhulu.
III. Ukhuseleko Olugqwesileyo Kwiingxaki Zokusingqongileyo
Umboniso we-COBInika ukhuseleko oluhle kakhulu kwiimeko ezahlukeneyo zokusingqongileyo, iqinisekisa ukuqina nokuthembeka kwiimeko ezahlukeneyo. Inyangwa nge-epoxy resin ukuphucula ukusebenza kokukhusela. Inamandla okumelana nokufuma, uthuli, i-static, i-oxidation, kunye nokukhanya okuluhlaza okwesibhakabhaka. Olu khuselo luphuculweyo lwenza izisombululo zokukhanyisa ze-COB ziphumelele kwiindawo ezinzima ezifana nezicwangciso zangaphandle okanye iindawo ezinomswakama ophezulu. Ukongeza, ukumelana okuphezulu kwe-COB ne-oxidation kuqinisekisa ukuba ii-LED zigcina ukukhanya kwazo kunye nokuchaneka kombala ixesha elide, ngokungafaniyo nezinye ze-SMD.
IV. Umgangatho omnyama nobukhali ngakumbi.
Uyilo lweteknoloji ye-COB alugcini nje ngokuphucula ulawulo lwayo lobushushu kunye nokukwazi ukuzikhusela kodwa lukwanegalelo kumgangatho wokukhanya kwayo. Ngenxa yeetships ze-LED ezikufutshane, i-COB ikhupha ukukhanya okugxile ngakumbi nokunamandla, okubangela izithunzi ezimnyama kunye neenkcukacha ezicacileyo. Oku kwenza i-COB ifaneleke ngakumbi kwizicelo apho ukuchaneka kunye nomahluko ophezulu kubaluleke kakhulu, njengeemyuziyam, iimboniso zentengiso, kunye neegalari. Ukukhanya okubukhali okubonelelwa yiteknoloji ye-COB kuphucula ukukhanga okubonakalayo kunye nokucaca kweendawo ezikhanyisiweyo.
Njengoko ishishini le-LED Display liqhubeka nokukhula,Itekhnoloji ye-COBIvele njengokhetho olutsha nolugqwesileyo lwezisombululo zokubonisa i-LED. Iimpawu zayo zobugcisa, ezinje ngokukhanya okufanayo, ukukhutshwa kobushushu obuphantsi, ukhuseleko oluphuculweyo kwiimeko zokusingqongileyo, kunye nokukhanya okubukhali, kuyenza ibe lukhetho olungenakoyiswa. I-COB ayiboneleli nje kuphela ngokusebenza okuphuculweyo kunye nokuhlala ixesha elide kodwa ikwabonelela ngomgangatho ongcono wokubonwa, obalulekileyo kwiindlela ezahlukeneyo zokusebenza.
Ngenxa yokuthandwa kwayo okwandayo kunye nokuqhubela phambili kwiinkqubo zokuvelisa,Itekhnoloji ye-COBifumaneka lula kubathengi nakumashishini kwihlabathi liphela. Umboniso we-COBizisombululo zithembisa ukubonelela ngeendlela zokukhanyisa ezikhanyayo, ezisebenzayo nezihlala ixesha elide ngelixa ziguqula indlela esikhanyisa ngayo indawo esingqongileyo.
Ixesha lokuthumela: Okthobha-25-2023
