Kutshanje, iqela lophando le-BOE lipapashe iphepha elinesihloko esithi Novel Package Design Enhances Optical Efficiency of Micro LED Displays kwijenali ethi Information Display.

Inkqubo yoYilo lokuPakisha isakhiwo seMicro LED Display (Umthombo womfanekiso: Umboniso wolwazi)

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Olu phononongo lucebisa inkqubo entsha yokupakisha i-Micro LED, ejongene ngempumelelo nemingeni yobuchwephesha kushishino efana nokukhutshwa ngamandla kwee-micro LED chips ecaleni, ukusetyenziswa kwamandla okukhanya okuphantsi, kunye nokutshintsha kombala.

Kubikwa ukuba njengoko ubungakanani bepikseli buncipha ukuya ngaphantsi kwe-50μm, indawo ehambelanayo yodonga lwe-chip iyanda, nto leyo ekhokelela ekuphuculweni kokukhutshwa kwecala kunye nokuncipha kokukhutshwa okuphezulu kwe-Micro LEDs. Oku kubangela ukulahleka kokukhanya kunye nokuphambuka kombala, okuthintela ukusetyenziswa kweMicro LEDs kwiimeko zokubonisa ezichanekileyo.

Ukuze kulungiswe le ngxaki, iqela lophando le-BOE liphuhlise isakhiwo sokupakisha esidityanisiweyo esiqulathe i-adhesive transparent-index high-refractive-index, i-resin emhlophe high-reflective, ii-microlens arrays, kunye ne-patterned black matrix (BM).

Ngokungenisa umaleko we-gradient refractive index kwi-Micro LED chips, abaphandi bayiphucule ngempumelelo i-engile yokuphuma kokukhanya ukusuka phezulu kwe-chip, bonyusa i-engile ebalulekileyo ukusuka kuma-degrees angama-25 ukuya kuma-degrees angama-65.9 kwaye baphucula kakhulu ukusebenza kakuhle kokukhupha ukukhanya okuphezulu.

Okwangoku, i-resin emhlophe ekhanyayo yenza isakhiwo se-isosceles trapezoidal phakathi kweetships, ezinokugxila kwaye zisasaze ukukhanya, zinyusa ukukhanya kwi-engile yokujonga ye-0° malunga ne-27%. Ukongeza, inkqubo ye-plasma yokususa i-residue adhesive iqinisekisa ukukhutshwa kokukhanya okungaphazanyiswanga.

Ngokuphathelele ulawulo lokukhanya, iqela lisebenzise iteknoloji ye-nanoimprint lithography ukwenza ii-microlens arrays ezichanekileyo kakhulu, zifezekisa ukuhlangana okusebenzayo kokukhanya ngaphakathi kwe-±60°.

Iziphumo zokulinganisa zibonisa ukuba xa ukugoba kwelensi kungama-0.03 kwaye isalathisi sokuqaqamba singu-1.85, amandla okukhanya ayanda ngaphezulu kwama-53%. Ngaphezu koko, uphando luzise imatrix emnyama enepatheni kumaleko weglasi yokupakisha, olunciphisa ngempumelelo ukuqaqamba ukuya ngaphantsi kwe-2% kwaye lufezekisa umlinganiselo ophezulu wokungafani odlula ama-20,000:1, nto leyo ephucula kakhulu umgangatho womboniso.

(a) Ulwakhiwo lwe-Micro LED, (b) Icala lokukhupha ukukhanya ngaphakathi kwitshiphusi, (c) Ukusasazwa kokukhanya (Umthombo womfanekiso: Umboniso wolwazi)

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Iqela lophando le-BOE lithe le nkqubo ayiphumeleli nje kuphela ekufezekiseni impumelelo ekusebenzeni kakuhle kokukhanya kunye nokufana kodwa ikwaqwalasela ukuthembeka kokupakishwa. Ukudibanisa isigqubuthelo seglasi kunye nomaleko we-OCA (Optically Clear Adhesive) kuphucula ukungangeni manzi, ukuchasana ne-oxidation, kunye neempawu zokumelana nokuguguleka, okubonelela ngendlela ethembekileyo yokusetyenziswa kweMicro LEDs kwiinkalo ezifana nezibonisi zeemoto, ii-headset ze-AR/VR, kunye nezixhobo ezinxitywayo.

I-BOE ayiphumelelanga nje kuphela kwiziphumo zophando lwe-Micro LED zamva nje kodwa ikwaqhubeka nokukhuthaza uphuhliso lwetekhnoloji yokubonisa ngqo ye-Mini/Micro LED kunye nezicelo.