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BOE e Hlahisa Morero o Mocha oa ho Paka ho Ntlafatsa Bokhoni ba Mabone a Manyane a LED

Haufinyane tjena, sehlopha sa bafuputsi sa BOE se phatlalalitse pampiri e nang le sehlooho se reng Novel Package Design Enhances Optical Efficiency of Micro LED Displays koranteng ya Information Display.

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Mokhoa oa ho Rala Pontšo ea Micro LED ea Sebopeho sa Micro (Mohloli oa setšoantšo: Pontšo ea Tlhahisoleseling)

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Phuputso ena e sisinya morero o mocha oa ho paka oa Micro LED, o sebetsanang ka katleho le liphephetso tsa tekheniki tsa indasteri tse kang ho ntša mahlaseli a manyane a LED ka mahlakoreng a mabone a manyane, ts'ebeliso e tlase ea matla a leseli, le phetoho ea 'mala.

Ho tlalehoa hore ha boholo ba pixel bo fokotseha ho fihlela ka tlase ho 50μm, sebaka se amanang le lebota la chip sea eketseha, e leng se lebisang ho ntlafatsong ea ho ntša mahlaseli a lehlakoreng le ho fokotseha ha ho ntša mahlaseli a holimo a Micro LED. Sena se baka tahlehelo ea khanya le ho kheloha ha 'mala, e leng se thibelang ts'ebeliso ea Micro LED maemong a ponts'o e nepahetseng haholo.

Ho sebetsana le bothata bona, sehlopha sa bafuputsi sa BOE se thehile sebopeho sa ho paka se kopaneng se nang le sekhomaretsi se bonaletsang se nang le index e phahameng ea refractive, resin e tšoeu e bonahatsang haholo, li-microlens arrays, le patterned black matrix (BM).

Ka ho hlahisa lera la index ea refractive ea gradient holim'a li-chip tsa Micro LED, bafuputsi ba ntlafalitse ka katleho sekhutlo sa ho tsoa ha leseli ho tloha holimo ho chip, ba eketsa sekhutlo sa bohlokoa ho tloha ho likhato tse 25 ho isa ho likhato tse 65.9 le ho ntlafatsa haholo katleho ea ho ntša leseli le holimo.

Ho sa le jwalo, resin e tshweu e bontshang lesedi e bopa sebopeho sa trapezoidal sa isosceles pakeng tsa di-chip, tse ka tsepamisang maikutlo le ho hasanya lesedi, di eketsa kganya ka sekhutlo sa ho shebella sa 0° ka hoo e ka bang 27%. Ho feta moo, tshebetso ya plasma ya ho tlosa sekgomaretsi se setseng e netefatsa ho ntsha lesedi ho sa sitisweng.

Mabapi le taolo ea leseli, sehlopha se sebelisitse theknoloji ea nanoimprint lithography ho etsa li-microlens tse nepahetseng haholo, ho fihlella ho kopana ho sebetsang ha leseli ka hare ho ±60°.

Liphetho tsa ketsiso li bontša hore ha lense e kobeha e le 0.03 'me index ea refractive e le 1.85, matla a khanya a eketseha ka ho feta 53%. Ho feta moo, phuputso e hlahisitse matrix e ntšo e nang le paterone ka har'a lera la khalase ea liphutheloana, e fokotsa ho khanya ka katleho ho ea ka tlase ho 2% le ho fihlela karolelano e phahameng ea phapang e fetang 20,000:1, e ntlafatsang boleng ba ponts'o haholo.

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(a) Sebopeho sa LED e nyane, (b) Tsela eo khanya e ntshang ka hare ho chip, (c) Kabo ya lesedi (Mohlodi wa setshwantsho: Pontšo ya Tlhahisoleseding)

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Sehlopha sa lipatlisiso sa BOE se boletse hore morero ona ha o fihlelle feela katleho bokgoning ba optical le ho tshwana empa hape o nahana ka ho tshepahala ha diphutheloana. Motswako wa sekoahelo sa khalase le lera la OCA (Optically Clear Adhesive) o ntlafatsa thepa e sa keneleng metsi, e thibelang oxidation, le e hanelang ho tsofala, e fanang ka tsela e tshepahalang bakeng sa tshebediso ya tlhahiso ya di-LED tse nyane masimong a kang dipontsho tsa dikoloi, di-headset tsa AR/VR, le disebediswa tse aparwang.

BOE ha e a fihlella diphetho tsa moraorao tsa dipatlisiso tsa Micro LED feela empa hape e tswela pele ho kgothaletsa ntshetsopele ya theknoloji le ditshebediso tsa pontsho e tobileng ya Mini/Micro LED.


Nako ea poso: Mphalane-23-2025