Keketseho ea Mocheso Ho hanyetsana le Leseli -emitting Diode Sebopeho

Li-chips tse tšelang lebone la lebone la LED, litsebo tse sa phuthetsoeng li sa tsoa baka khoebo ea theknoloji e phahameng indastering ea LED. Ka lebaka la lifaha tsa lebone tse tloaelehileng tsa LED, mokhoa oa ho thehoa ha ho thehoa ha mocheso oa mocheso, ho hlōleha ha leseli le libotlolo tse ling tsa litsebo. LED lebone sefaha a tšela litsupa le litsebo unpackaged e le khale lilemong tse 10 tse fetileng, linaheng tse ling ho tsetela ka ho etsa lipatlisiso khōlō motse-moholo. The ikemiseditse ho LED mabone lifaha ho tloha substrate sekhomaretsi le lijo-thollo ka ho toba tjheseletsa bokgoni. E felisitsoe ka ho feletseng ke lisebelisoa tsa lebone tsa LED tse tloaelehileng ka ponahalo ea maloetse a mangata a moriri, ho lumella mabone a lebone la LED ho mamella mamello e phahameng ea mocheso le ho atolosa lifaha tsa lebone la LED. Indasteri e holim'a litsebo tsa ho qetela tsa liphutheloana tsa mabone a LED. & LED Lighting Daspeed Ke ba bakae wnbsp; empa potso ke hore: Ke hobane'ng ha litsebo tsa ho tšela lebone la lebone la LED? Ho itšetlehile ka li-substrates tsa aluminium (koporo), ho bopa ha substrate ea ceramic, le ho kenya ha ho bonolo joaloka li-substrates tsa tšepe, hobane (habeli) welding ea tin e lokela ho mamella likhato tse 280 tsa mocheso o phahameng, o ke keng oa thusa empa o baka tšenyo ea thepa le likaroloana. Li-ceramic substrates le litšepe tsa tšepe ha li phahame ho feta tekanyo ea ho bonahatsa, 'me phello ea khanya ea nakoana e thata ho ntlafatsa. Sekhahla se lekanyelitsoeng sa mocheso oa li-substrates tsa ceramic le sebaka se lekanyelitsoeng sa ho kopana le chip le tsona li fokolitse khanya ea eona e tsitsitseng. Ts'ebetso ea ho tšela lifaha tsa lebone la LED habeli ho tjheseletsa tin le ceramic substrate substrate dual dual resistance resistance e lekane ho fokotsa moya o ka hodimo o sa tswang ho bolelwa. Ho phaella moo, mocheso oa khatello ea mocheso le reflux welding ea lifaha tsa lebone tsa LED li phahame haholo, 'me lihlahisoa ha lia tsitsa. Ho latela pono ea basebelisi ba ho qetela, sesebelisoa se setle sa LED se lokela ho ba le boleng bo botle ba mabone, mesebetsi e phahameng ea mabone, litšenyehelo tse tlase tsa sistimi le phaello e potlakileng ea matsete. Ho tšoara litsebo tsa ho tšela lebone la lebone la LED nakong e tlang (LM yuan) boleng. Ka mantsoe a mang, litsebo tsa ho paka mabone a LED ke litsebo tsa nts'etsopele le tsa tlhahiso ea masakaneng a ho paka. COB LED lebone bead encapsulation le single -chip LED lebone bead sephutheloana e senotse matla a mangata mabapi le matla khanya, mocheso dissipation, kabo ea leseli, litšenyehelo, joalo-joalo. Lifaha tsa lebone tse tloaelehileng tsa COB LED hona joale ke bracket e sebelisang li-substrates tsa aluminium (kapa koporo) ho kopanya FR4 fiber board ho e le 'ngoe. Matlapa a lehae a FR-4 semi-curing, conductivity ea mocheso ke 0.3 /m-k feela, monyako o motle ka ho fetisisa ke 2.0 /m-k feela ho morekisi, athe coefficient e hloekileng ea aluminium e futhumatsang ke 237 /m-k. E tlameha ho eketsa ho hanyetsa mocheso oa tsamaiso, ho etsa hore lifaha tse matla tsa lebone la LED li bola le ho fokotsa bophelo ba tšebeletso. Ka hona, mehopolo ea batho ea likelello tsa kelello e felisa fiber e kenang ea aluminium substrates. “Setšoantšo sa LMCOB ”(Ho cheka letlalo la koporo le lera la insulating ea substrate ea aluminium), empa e lekanyelitsoe ho lebaka la lisebelisoa, gel, ts'ebetso le litšenyehelo, 'me ha e e-s'o khothalletsoe. Ho phaella moo, 'maraka oa hona joale o tumme haholo ho thoeng ke “Mohloli o kopaneng oa leseli ”Setsebi, se amohelang mokhoa oa ho etsa ente ho kenya poleiti ea electrode ho PPA (kapa EMC e ntseng e sutumetsa hona joale), hobane PPA e tla fetoha phofo e mosehla tlas'a mahlaseli a phahameng a futhumetseng le a ultraviolet, e leng se hlahisang metsi le metsi a phefumolohang. Sebopeho ke hobane poleiti ea electrode e phahame ho feta chip 1.5 morali'abo rōna, 'me phofo ea eona ea fluorescent le tekanyo ea gel li tsofetse haholo. E ke ke ea eketsa litšenyehelo tsa ho paka feela, li-colloid tse teteaneng haholo li tla ama phetiso. Hajoale, libaha tsa lebone la COB LED kaofela ha li na mokhelo ho theha moralo o koaletsoeng ho thibela marenene a pherekano a fluorescent ntle le ho qhalana, hobane gel ea letamo le bokaholimo ba oli e tšoeu li monya khanya. Qalong, matla a ho fetisa leseli le mocheso oa toropo ke lebaka la bohlokoa bakeng sa phello ea khanya ea nakoana ea mohloli o khanyang oa lebone la lebone la COB LED le bothata ba phello e tsitsitseng ea boemo bo botle. Moqapi oa lifaha tsa lebone la LED, potso e atisang ho botsoa ka 5052LED ea lebone la lebone ke mokhoa oa ho khetha motlakase oa ho khanna, 'me ha e le hantle mabone a mabone a LED a theoha kapa a senngoa,' me karolo ea matla a ho khanna e na le bokhoni. Bokgoni bo bokgutshwane ba difaha mabone boto. Leha ho le joalo, COB LED lebone lifaha aluminium substrates li amohetse tlhophiso ea liphutheloana tsa matla a mocheso, 'me (chip e boletsoe ka ho toba substrate).