Kwimeko yanamhlanje yetekhnoloji ehamba phambili ngokukhawuleza, izisombululo zokubonisa i-LED ziye zavela kakhulu.Itekhnoloji ye-LED iguqule imboni yokukhanyisa, ibonelela ngeendlela ezisebenza ngamandla kunye nexesha elide kubathengi nakumashishini ngokufanayo.Phakathi kweendlela ezahlukeneyo zokucwangciswa kwe-LED, i-COB (i-Chip kwiBhodi) iye yavela njengokhetho oluphezulu ngenxa yeempawu zayo zobugcisa.Kweli nqaku, siza kuphonononga izizathu zokuba kutheni i-COB ibambe inzuzo ngaphezulu kwetekhnoloji esetyenziswa kakhulu ye-SMD (iSixhobo seMount).Ukusuka kukukhutshwa kwayo okuphantsi kwe-thermal kukhuseleko oluphuculweyo ngokuchasene nezinto ezisingqongileyo, i-COB ibalasele ngokwenene abo bakhuphisana nabo.
1.I-SMD vs. COB: Yeyiphi Engcono?
Xa kuziwa kwitekhnoloji yokubonisa i-LED, abakhuphisi ababini abaphambili balawula imarike: i-SMD kunye ne-COB.Ngelixa i-Surface Mount Device kudala ilukhetho lokukhetha izisombululo zokukhanya kwe-LED, i-COB iye yavela njengenye indlela eyoyikisayo.
Ngokungafaniyo ne-SMD, equka ii-diode ze-LED ezifakwe ngabanye kwibhodi yesekethe, i-COB idibanisa ii-chips ezininzi ze-LED ngaphakathi kwemodyuli enye.Olu lungelelwaniso lukhethekileyo alunyusi nje kuphela ukuqaqamba kunye nobunzulu bokukhanya kodwa lukwanciphisa ukuthotywa kokukhanya kumgama omde.Uyilo olucekethekileyo lwe-COB lukhokelela kwimveliso yokukhanya engenamthungo ngokufana kunye nokunikezelwa kombala ophezulu.
II.I-Thermal ephantsi enobushushu obuphantsi
Enye yeenzuzo eziphambili ze-COB ngaphezulu kwe-SMD bubuchule bayo obuphezulu bolawulo lobushushu.Itekhnoloji ye-COB inikezela ngokuxhathisa okuphantsi kwe-thermal ngenxa yoyilo lwayo oludibeneyo.Ukuxhatshazwa kwe-thermal kugqiba indlela ubushushu obuchitha ngayo kwimodyuli ye-LED, okwenza i-COB isebenze ngakumbi ekunciphiseni ukufudumala kokufudumala.Oku kubangela kungekuphela nje ubomi obude obuphuculweyo kunye neemfuneko ezincitshisiweyo zokulondolozwa kodwa nokhuseleko olwandisiweyo njengokoIimodyuli zeCOBabaqhelekanga kakhulu ekufudumezeni.
III.UKhuseleko oluGqwesileyo ngokuchasene neMiba yokusiNgqongileyo
Umboniso weCOBinika ukhuseleko olugqwesileyo ngokuchasene nezinto ezahlukeneyo zokusingqongileyo, iqinisekisa ukuqina kunye nokuthembeka kwiimeko ezahlukeneyo.Unyangwa nge-epoxy resin ukuphucula ukusebenza kokukhusela.Iqhayisa ngokuxhathisa okuphezulu kumswakama, uthuli, i-static, i-oxidation, kunye nokukhanya okuluhlaza okwesibhakabhaka.Olu khuselo luphuculweyo luvumela izisombululo zokukhanya kwe-COB ukuba ziphumelele kwiindawo ezinomngeni ezifana nezicwangciso zangaphandle okanye iindawo ezinomswakama ophezulu.Ukongeza, ukuchasana okuphezulu kwe-COB kwi-oxidation kuqinisekisa ukuba ii-LED zigcina ukuqaqamba kunye nokuchaneka kombala ixesha elide, ngokungafaniyo nabalingane babo be-SMD.
IV.Umgangatho omnyama kunye nobukhali.
Uyilo lwetekhnoloji ye-COB ayiphuculi nje ulawulo lwayo lobushushu kunye namandla okukhusela kodwa ikwanegalelo kumgangatho wokukhanya kwayo.Ngenxa yeetshiphusi ze-LED ezisondeleleneyo, i-COB ikhupha ukukhanya okugxile ngakumbi kunye nokuqina, okukhokelela kwithunzi elimnyama kunye neenkcukacha ezikhanyayo.Oku kwenza i-COB ifaneleke ngokukodwa kwizicelo apho ukuchaneka kunye nokuchasana okuphezulu kubaluleke kakhulu, okufana neemyuziyam, imiboniso yokuthengisa, kunye neegalari.Ukukhanya okubukhali okubonelelwa buchwephesha be-COB kwandisa isibheno esibonakalayo kunye nokucaca kweendawo ezikhanyisiweyo.
Njengoko ishishini lokuBonisa i-LED liqhubeka nokuvela,Itekhnoloji yeCOBkuye kwavela njengokhetho olutsha kunye oluphezulu lwezisombululo zokubonisa i-LED.Iimpawu zayo zobugcisa, ezifana nokukhutshwa kokukhanya okufanayo, ukukhutshwa kwe-thermal ephantsi, ukukhuselwa okuphuculweyo kwizinto ezisingqongileyo, kunye nokukhanya okubukhali, kwenza kube yinto engenakulinganiswa.I-COB ayinikezeli kuphela ukusebenza okuphuculweyo kunye nobomi obude kodwa ikwabonelela ngomgangatho wokubonwa ongcono, oyimfuneko kwizicelo ezahlukeneyo.
Ngokuthandwa kwayo kunye nenkqubela phambili kwiinkqubo zokuvelisa,Itekhnoloji yeCOBifumaneka lula kubathengi nakumashishini kwihlabathi jikelele.Ukuwola Umboniso weCOBIzisombululo zithembisa ukunikezela ngokukhanya okuqaqambileyo, okusebenzayo ngakumbi, kunye nokhetho lokukhanyisa oluhlala ixesha elide ngelixa siguqula indlela esikhanyisa ngayo indawo esingqongileyo.
Ixesha lokuposa: Oct-25-2023