Kutshanje, iqela lophando le-BOE lipapashe iphepha elinesihloko esithi Uyilo lwePakeji yeNoveli iphucula ukusebenza kakuhle kweMikrozo ye-LED kwijenali yeSiboniso soLwazi.

Inkqubo yoYilo lweMicrostructure yokuPhakhelwa kweMicro-LED (umthombo womfanekiso: Umboniso woLwazi)

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Uphononongo luphakamisa isikimu sokupakisha seMicro LED, ukujongana ngempumelelo nemingeni yobugcisa efana nokukhutshwa kwe-sidewall eqinile yeetshiphusi ze-LED ezincinci, ukukhanya okuphantsi kokusetyenziswa kwamandla, kunye nokutshintsha kombala.

Kuxelwe ukuba njengoko ubungakanani bepixel buncipha ukuya ngaphantsi kwe-50μm, indawo ezalanayo ye-chip sidewall iyenyuka, ekhokelela ekuphuculweni kokukhutshwa kwecala kunye nokunciphisa ukukhutshwa okuphezulu kwee-Micro LEDs. Oku kubangela ilahleko yokukhanya kunye nokuphambuka kombala, kuthintelwe ukusetyenziswa kwee-Micro LEDs kwiimeko zokubonisa ezichanekileyo.

Ukujongana nalo mbandela, iqela lophando le-BOE liphuhlise ukwakhiwa kokupakisha okudibeneyo okubandakanya i-high-refractive-index transparent adhesive, white high-reflective resin, i-microlens arrays, kunye ne-matrix emnyama enepateni (BM).

Ngokuzisa i-gradient refractive index layer kwii-chips ze-Micro LED, abaphandi baphucula ngokufanelekileyo i-angle yokuphuma yokukhanya ukusuka phezulu kwi-chip, benyusa i-angle ebalulekileyo ukusuka kwi-25 degrees ukuya kubuninzi be-65.9 degrees kunye nokuphucula kakhulu ukukhanya okuphezulu kokukhupha ukukhanya.

Ngeli xesha, i-resin emhlophe ekhanyayo yenza isakhiwo se-isosceles trapezoidal phakathi kweetshiphusi, ezinokuthi zigxininise kwaye zisasaze ukukhanya, ukwandisa ukukhanya kwi-0 ° yokujonga i-angle malunga ne-27%. Ukongezelela, inkqubo yeplasma yokususa i-adhesive eseleyo iqinisekisa ukukhutshwa kokukhanya okungathintekiyo.

Ngokubhekiselele kulawulo lokukhanya, iqela lasebenzisa iteknoloji ye-nanoimprint lithography ukwenza i-high-precision microlens arrays, ukuphumeza ukuguqulwa okusebenzayo kokukhanya ngaphakathi kwe-± 60 °.

Iziphumo zokulinganisa zibonisa ukuba xa i-lens curvature yi-0.03 kunye ne-refractive index yi-1.85, ukukhanya kokukhanya kwandisa ngaphezu kwe-53%. Ngaphaya koko, uphononongo lwazisa i-matrix enepateni emnyama kungqimba lweglasi yokupakisha, ngokufanelekileyo ukunciphisa ukubonakalisa ukuya ngaphantsi kwe-2% kunye nokufikelela kumlinganiselo ophezulu wokuchasana odlula i-20,000: 1, iphucula kakhulu umgangatho wokubonisa.

(a) Ubume be-Micro LED, (b) Isikhokelo sokukhutshwa kokukhanya ngaphakathi kwetshiphu, (c) Ukuhanjiswa kokukhanya (Umthombo womfanekiso: Umboniso woLwazi)

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Iqela lophando le-BOE lathi esi sikimu asifezekisi nje impumelelo kwimpumelelo ye-optical kunye nokufana kodwa sikwaqwalasela ukuthembeka kokupakishwa. Ukudibanisa kweglasi kunye ne-OCA (i-Optically Clear Adhesive) umaleko uphucula ukungenwa kwamanzi, i-anti-oxidation, kunye nezakhiwo zokunxiba, ukubonelela ngendlela ethembekileyo yokusetyenziswa kobuninzi bemveliso ye-Micro LEDs kwiinkalo ezifana neziboniso zemoto, ii-headsets ze-AR / VR, kunye nezixhobo zokugqoka.

I-BOE ayiphumelelanga kuphela iziphumo zophando ze-Micro LED zamva nje kodwa iyaqhubeka nokukhuthaza ukuphuhliswa kwe-Mini / Micro LED iteknoloji yokubonisa ngokuthe ngqo kunye nezicelo.