Lihlopha tsa li-LED tse nyenyane li eketsehile, 'me li se li qalile ho hlōlisana le DLP le LCD' marakeng oa lipontšo tsa ka hare. Ho latela lintlha tse mabapi le sekala sa 'maraka oa lefats'e oa ponts'o ea LED, ho tloha 2018 ho isa 2022, melemo ea ts'ebetso ea lihlahisoa tse bonts'itsoeng tse nyane tsa LED e tla totobala, ho theha mokhoa oa ho khutlisa mahlale a setso a LCD le DLP.
Kabo ea indasteri ea bareki ba LED ba maemo a manyane
Lilemong tsa morao tjena, li-LED tse nyenyane li fihletse tsoelo-pele e potlakileng, empa ka lebaka la litšenyehelo le mathata a botekgeniki, hajoale li sebelisoa haholo-holo libakeng tsa lipontšo tsa litsebi. Liindasteri tsena ha li amehe ka litheko tsa sehlahisoa, empa li hloka boleng bo holimo ba ponts'o, ka hona, li potlakela ho lula 'marakeng tšimong ea lipontšo tse khethehileng.
Nts'etsopele ea li-LED tse nang le matla a manyane ho tloha 'marakeng o ikhethileng oa lipontšo ho ea ho limmaraka tsa khoebo le tsa sechaba. Ka mor'a 2018, ha theknoloji e ntse e hōla 'me litšenyehelo li fokotseha, li-LED tse nyenyane li phatlohile limmarakeng tsa lipontšo tsa khoebo tse kang likamore tsa likopano, thuto, libaka tsa mabenkele le libaka tsa lifilimi. Tlhokahalo ea li-LED tsa maemo a manyane a boleng bo holimo mebarakeng ea mose ho maoatle e ntse e eketseha. Bahlahisi ba supileng ho ba robeli ba kaholimo ho lefatše ba li-LED ba tsoa Chaena, 'me bahlahisi ba robeli ba kaholimo ba etsa karolo ea 50.2% ea karolo ea 'maraka ea lefatše. Ke lumela hore ha lefu la seoa le lecha le tsitsisa, mebaraka ea mose ho maoatle e tla qala haufinyane.
Papiso ea khanya e nyane ea LED, Mini LED, le Micro LED
Litheknoloji tse tharo tse kaholimo tse bonts'itsoeng kaofela li ipapisitse le likaroloana tse nyane tsa kristale ea LED joalo ka lintlha tse khanyang tsa pixel, phapang e hole pakeng tsa lifaha tsa lebone tse haufi le boholo ba chip. Mini LED le Micro LED li boetse li fokotsa sebaka sa lifaha tsa lebone le boholo ba chip motheong oa li-LED tse nyane, e leng mokhoa o ka sehloohong le tataiso ea nts'etsopele ea theknoloji ea nakong e tlang.
Ka lebaka la phapang ea boholo ba chip, libaka tse fapaneng tsa ts'ebeliso ea theknoloji ea ponts'o li tla fapana, 'me molumo o nyane oa pixel o bolela sebaka se haufi sa ho boha.
Analysis of Small Pitch LED Packaging Technology
SMDke kgutsufatso ya sesebediswa sa hodima thaba. The bare chip e tsitsitsoe ka har'a bracket, 'me khokahanyo ea motlakase e etsoa pakeng tsa li-electrode tse ntle le tse mpe ka terata ea tšepe. Epoxy resin e sebelisetsoa ho sireletsa lifaha tsa lebone tsa SMD LED. Lebone la LED le entsoe ka reflow soldering. Ka mor'a hore lifaha li kenngoe ka PCB ho theha mochine oa pontšo, mochine o kenngoa ka lebokoseng le tsitsitseng, 'me motlakase, karete ea taolo le terata li eketsoa ho theha skrine ea pontšo ea LED e phethiloeng.
Ha ho bapisoa le maemo a mang a ho paka, melemo ea lihlahisoa tse pakiloeng tsa SMD e feta bofokoli, 'me e tsamaellana le litšobotsi tsa tlhokahalo ea mmaraka oa lapeng (ho etsa liqeto, ho reka le ho sebelisa). Hape ke lihlahisoa tse tloaelehileng indastering 'me li ka fumana likarabo tsa litšebeletso kapele.
COBTs'ebetso ke ho khomarela ka kotloloho chip ea LED ho PCB ka sekhomaretsi se tsamaisang kapa se sa conductive, le ho etsa khokahanyo ea terata ho fihlela khokahano ea motlakase (mokhoa o motle oa ho kenya) kapa ho sebelisa theknoloji ea chip flip-chip (ntle le lithapo tsa tšepe) ho etsa tse ntle le tse mpe. li-electrode tsa lebone la lebone le amana ka ho toba le khokahanyo ea PCB (theknoloji ea flip-chip), 'me qetellong ho thehoa mojule oa yuniti ea ponts'o,' me joale mochine o kenngoa ka lebokoseng le tsitsitseng, ka matla, karete ea taolo le terata, joalo-joalo. theha skrine e phethiloeng ea LED. Molemo oa theknoloji ea COB ke hore o nolofatsa mokhoa oa tlhahiso, o fokotsa litšenyehelo tsa sehlahisoa, o fokotsa tšebeliso ea matla, kahoo mocheso oa holim'a pontšo o fokotseha, 'me phapang e ntlafatsoa haholo. Bothata ke hore ho tšepahala ho tobana le liphephetso tse kholoanyane, ho thata ho lokisa lebone, 'me khanya,' mala, le 'mala oa enke li ntse li le thata ho li etsa Ho lumellana.
IMDe kopanya lihlopha tsa N tsa lifaha tsa lebone tsa RGB ka yuniti e nyane ho etsa sefaha sa lebone. Tsela e ka sehloohong ea theknoloji: Common Yang 4 ho 1, Common Yin 2 ho 1, Common Yin 4 ho 1, Common Yin 6 ho 1, joalo-joalo. Molemo oa eona o ka melemo ea liphutheloana tse kopanetsoeng. Boholo ba lifaha tsa lebone bo kholoanyane, sebaka se ka holim'a metsi se bonolo, 'me ho ka finyelloa sebaka se senyenyane sa matheba, se fokotsang bothata ba tlhokomelo. Bothata ba eona ke hore ketane ea hona joale ea indasteri ha ea phethahala, theko e phahame, 'me ho tšepahala ho tobana le mathata a maholo. Tlhokomelo e thata, 'me ho lumellana ha khanya, mebala le' mala oa enke ha ho so rarolloe 'me ho hloka ho ntlafatsoa le ho feta.
Micro LEDke ho fetisetsa palo e kholo ea liaterese ho tloha ho li-arrays tsa setso tsa LED le miniaturization ho ea setsing sa potoloho ho theha li-LED tsa ultra-fine-pitch. Bolelele ba millimeter-level LED bo fokotsehile ho isa boemong ba micron ho fihlela lipikselse tse phahameng haholo le qeto e phahameng haholo. Ka khopolo, e ka ikamahanya le maemo a fapaneng a skrini. Hona joale, theknoloji ea bohlokoa botlolong ea Micro LED ke ho phunyeletsa theknoloji ea miniaturization le theknoloji ea phetisetso ea bongata. Taba ea bobeli, theknoloji e tšesaane ea phetisetso ea lifilimi e ka senya moeli oa boholo mme ea phethela phetisetso ea batch, e lebelletsoeng ho fokotsa litšenyehelo.
GOBke theknoloji ea ho koahela bokaholimo bohle ba li-module tsa holim'a metsi. E kenyelletsa lera la colloid e pepeneneng holim'a li-modules tse tloaelehileng tsa SMD ho rarolla bothata ba sebopeho se matla le tšireletso. Ha e le hantle, e ntse e le sehlahisoa se senyenyane sa SMD. Molemo oa eona ke ho fokotsa mabone a shoeleng. E eketsa matla a anti-shock le tšireletso ea bokaholimo ba lifaha tsa lebone. mefokolo ea eona ke hore ho thata ho lokisa lebone, deformation ea mojulung o bakoang ke khatello ea kelello colloidal, reflection, sebakeng degumming, colloidal discoloration, le ho lokisoa ka thata ho ho ka thoeng tjheseletsa.
Nako ea poso: Jun-16-2021