Munguva pfupi yapfuura, timu yekutsvagisa yeBOE yakaburitsa bepa rine musoro unoti Novel Package Design Enhances Optical Efficiency yeMicro LED Displays mujenari reInformation Display.

Magadzirirwo ekugadzira Micro LED Display Microstructure Packaging (Mufananidzo unobva: Ruzivo rweKuratidzwa)

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Chidzidzo ichi chinokurudzira hurongwa hutsva hwekurongedza maMicro LED, huchibudirira kugadzirisa matambudziko ehunyanzvi eindasitiri akadai sekubuda kwakasimba kwema micro LED chips padivi pemadziro, kushandiswa kwesimba shoma kwechiedza, uye kuchinja kwemavara.

Zvinonzi sezvo saizi yepikisiki ichidzikira kusvika pasi pe50μm, nzvimbo yerutivi rwechip inowedzera, zvichikonzera kuwedzera kwekubuda kwemagetsi padivi uye kudzikira kwekubuda kwemagetsi epamusoro eMicro LEDs. Izvi zvinokonzera kurasikirwa nekupenya uye kuchinja kwemavara, zvichideredza kushandiswa kweMicro LEDs muzviitiko zvekuratidza zvakanyatsonaka.

Kuti vagadzirise dambudziko iri, chikwata chevaongorori cheBOE chakagadzira chimiro chekurongedza chakagadzirwa neadhesive transparent ine high-refractive-index, white high-reflective resin, microlens arrays, uye patterned black matrix (BM).

Nekuisa gradient refractive index layer pamaMicro LED chips, vaongorori vakavandudza angle yekubuda kwechiedza kubva pamusoro pechip, vachiwedzera angle yakakosha kubva pamadhigirii makumi maviri nemashanu kusvika pamadhigirii makumi matanhatu nemashanu nemakumi mapfumbamwe nemashanu uye vachiwedzera zvakanyanya kushanda zvakanaka kwekuburitsa chiedza chepamusoro.

Panguva iyi, resin chena inopenya inoita chimiro chetrapezoidal che isosceles pakati pemachipisi, chinogona kusanganisa nekuparadzira chiedza, zvichiwedzera kupenya pakona yekuona ye0° neinenge 27%. Pamusoro pezvo, nzira yekubvisa namatidziro yeplasma inoita kuti chiedza chisavharwe.

Panyaya yekudzora chiedza, timu yakashandisa tekinoroji ye nanoimprint lithography kugadzira ma microlens arrays akanyatsogadzirwa, zvichiita kuti chiedza chibatane zvakanaka mukati me ±60°.

Mhedzisiro yekufananidzira inoratidza kuti kana lenzi yakakombama iri 0.03 uye refractive index iri 1.85, simba rechiedza rinowedzera neanopfuura 53%. Uyezve, chidzidzo ichi chakaunza matrix nhema ine mapatani mugirazi rekurongedza, zvichideredza kupenya kusvika pasi pe2% uye kuwana chiyero chepamusoro chekuenzanisa chinodarika 20,000:1, zvichivandudza zvakanyanya kunaka kwechiratidziro.

(a) Chimiro cheMicro LED, (b) Nzira yekubuda kwechiedza mukati mechip, (c) Kugoverwa kwechiedza (Mufananidzo unobva: Ruzivo rweKuratidzwa)

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Chikwata chevaongorori veBOE chakataura kuti chirongwa ichi hachingogumiri pakubudirira kwe optical uye kufanana kwayo chete asiwo chinoona kuvimbika kwekurongedza. Kusanganiswa kwegirazi rinofukidza neOCA (Optically Clear Adhesive) layer kunowedzera hunhu husingapindi mvura, hunodzivirira oxidation, uye hunodzivirira kupera, zvichipa nzira yakavimbika yekushandiswa kwema Micro LEDs mukugadzirwa kwakawanda munzvimbo dzakadai semotokari, mahedhifoni eAR/VR, uye zvishandiso zvinopfekwa.

BOE haina kungowana chete mhedzisiro yekutsvagisa kweMicro LED asiwo inoramba ichikurudzira kuvandudzwa kwetekinoroji yeMini/Micro LED direct display uye mashandisirwo ayo.