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COB-Major Trend bakeng sa Pontšo ea LED ea Bokamoso

Ha mmaraka oa li-micro-pitch o ntse o tsoela pele ho futhumala, tlhaloso e phahameng ea 4K le 8K butle-butle e fetohile mokhoa o mocha oa lipontšo tsa LED, 'me tlhokahalo ea' maraka bakeng sa lipontšo tse phahameng e ntse e eketseha.COB, ke mang ea ka fumanang tumello ea 'maraka tseleng ea ponts'o ea micro-pitch?Litheknoloji tsena tsa ho paka li na le melemo ea tsona, empa nako ea "micro-pitch" e fihlile.E le sebaka sa pele sa nako ea sebaka se senyenyane, COB e tsebahala haholo ke mmaraka.Ka kholo ea bohlokoa eaPontšo ea LED ea P0.9'marakeng selemong sena, COB e fetohile protagonist ea ka hare ho tlhaloso e phahameng ea pontšo ea LED.Nakong e tlang e lebelletsoeng, ha sebaka se ntse se fokotseha Ho theoha, COB e tla ba eona tataiso ea mantlha ea sehlahisoa sa mmaraka.

Ka tsoelo-pele e tsoelang pele ea theknoloji ea COB, selemong senaponts'o ea micro-pitch ea LED, cathode e tloaelehileng, flip-chip, ho fetisa batho ba bangata le mantsoe a mang e se e le taba ea litaba ka makhetlo a mangata, theknoloji ee ke efe?E tseba joang bokamoso ba theknoloji ea COB micro-pitch ho ea?

Theknoloji e tloaelehileng ea cathode - ho boloka matla, matla a phahameng le tšebeliso e tlaase ea matla

Pontšo e tloaelehileng ea LED e amohela mokhoa o tloaelehileng oa phepelo ea matla a anode (positive pole), phallo ea hajoale ho tloha ho boto ea PCB ho ea ho lifaha tsa lebone, 'me lifaha tse tloaelehileng tsa lebone la anode le lifaha tsa mabone tsa IC le RGB li sebelisoa bakeng sa phepelo e kopaneng ea matla.Cathode e tloaelehileng e bua ka mokhoa o tloaelehileng oa ho fana ka matla a motlakase (pholo e mpe), ho sebelisa lifaha tsa lebone tse tloaelehileng tsa cathode le sekema se khethehileng se tloaelehileng sa mokhanni oa cathode IC, R le GB li tsamaisoa ka thoko, 'me hona joale e feta ka lifaha tsa lebone ebe e ea ho IC. cathode.Ka mor'a ho sebelisa cathode e tloaelehileng, re ka fana ka li-voltages tse fapaneng ka ho toba ho ea ka litlhoko tse fapaneng tsa diode bakeng sa motlakase, kahoo ha ho hlokahale hore u lokise mochine oa ho arola motlakase ho fokotsa tšebeliso ea matla a karolo ena, empa khanya le pontšo ea pontšo. phello ha e amehe, 'me poloko ea matla e eketseha ka 25% ~ 40%.

lebone le tloaelehileng la anode LED

Phapang ke efe pakeng tsa meralo ea koloi ea cathode e tloaelehileng le anode e tloaelehileng?

Pele ho tsohle, mokhoa oa ho khanna o fapane.Tloaelehileng cathode ho khanna ho bolela hore hona joale pele feta ka lebone sefaha ebe o ea eleketrode mpe tsa IC, e le hore pele gagamalo lerotholi e ba tse nyenyane tse 'me on-ho hanyetsa fetoha nyenyane.Tloaelo e tloaelehileng ea anode drive ke hore hona joale ho phalla ho tloha ho boto ea PCB ho ea ho lebone la lebone, le fanang ka matla ho chip ka mokhoa o ts'oanang, 'me ho theoha ha motlakase oa pele oa potoloho ho ba kholoanyane.

Taba ea bobeli, matla a phepelo ea motlakase a fapane, koloi e tloaelehileng ea cathode, voltage ea chip e khubelu e ka ba 2.8V, 'me matla a li-chips tse putsoa le tse tala ke 3.8V.Mofuta ona oa phepelo ea matla o ka fihlella matla a nepahetseng a matla le tšebeliso e fokolang ea matla, le mocheso o hlahisoang ke pontšo ea LED nakong ea mosebetsi.Hape e batla e le tlase.Tloaelo e tloaelehileng ea anode drive, tlas'a boemo ba nako e sa khaotseng, matla a phahameng a matla, matla a phahameng, le tekanyo e kholo ea tšebeliso ea matla.Ka nako e ts'oanang, chip e khubelu e hloka mocheso o tlase ho feta li-chips tse putsoa le tse tala, kahoo ho hlokahala ho eketsa mohanyetsi oa ho hanyetsa Tlas'a khatello, pontšo e etelletsoeng pele e tla boela e tlise mocheso o mongata nakong ea mosebetsi.

Theknoloji ea SRYLED - lejoe le tsoetseng pele bakeng sa tsoelo-pele eaponts'o ea micro-pitch ea LED

Melemo ea theknoloji ea COB ka boeona e fetohile sepheo sa 'maraka,' me SRYLED COB e phahamisitse theknoloji ea COB boemong bo bocha.COB ka boeona ke theknoloji e kopanyang ea mabone a mangata e kopantseng li-bracket-free e kenyelletsang ka kotloloho chip e ntšang khanya botong ea PCB.Ts'ebetso e khathatsang ea holim'a holim'a metsi ha e lumelloe, 'me ha ho na leoto la solder la bracket.The chip ea LED le terata ea solder ea pixel ka 'ngoe li koaletsoe ka thata le ka thata ka har'a colloid ke epoxy resin, ntle le likarolo tse pepeneneng.Bakeng sa ts'ireletso, e ka rarolla bothata ba ts'enyo ea lipikselse tse bakoang ke mabaka a kantle.SRYLED COB e ka eketsa boima ba hona joale haholo, ea ntlafatsa botsitso le katleho ea mabone a mabone, 'me sebopeho sa SRYL se ka finyella litlhoko tse joalo., Ho tšepahala ho phahameng, le melemo ea mehloli e sa khanyang ea holim'a metsi ho ntlafatsa ho ts'epahala, ho nolofatsa mekhoa ea tlhahiso, le ho finyella liphello tse ntle tsa pontšo, tse ka finyellang sebaka sa chip-level le ho fihla boemong ba Micro LED.

COB e tlisa melemo efe?

COB e tšela meeli ea theknoloji ea ho paka 'me e etsa hore molumo o be nyane.Re thakhotse lihlahisoa tse nang le bophahamo ba 0.6mm ho fihlela litlhoko tsa ponts'o ea 8K LED e hlakileng.Matsatsing ana, e sebelisoa haholo litsing tse fapaneng tsa litaelo, litsi tsa data, litsi tsa studio, litsi tsa likopano, litsi tsa khoebo, libaesekopo tsa lapeng, joalo-joalo. bohlale, hammoho le lebelo le potlakileng la kaho ea litaba tsa naha le phetoho ea tsebiso ea litoropong, sebaka sa 'maraka se bonts'ang khoebo se tla tsoela pele ho ntlafala., mecha ea litaba ea boithabiso le masimo a tšireletso, litebello tsa 'maraka li khanya haholo.Nakong e tlang, lihlahisoa tse bonts'itsoeng li tla tsoela pele ho hola ho ea ho li-pitch tse nyane.

 


Nako ea poso: Mar-07-2022

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