Site na mmepe nke Micro na-aga n'ihuNgosipụta LED, ọtụtụ ihe ọganihu na nkà na ụzụ emeela.N'oge na-adịbeghị anya, enweela ọganihu ọhụrụ ugboro ugboro na ngosi Micro LED, ma enweela ọtụtụ ọganihu nkà na ụzụ ọhụrụ n'ụwa.
Mahadum Yonsei na-emepụta teknụzụ ngosi ihe ngosi nwere agba agba atọ dị elu
A na-akọ na ndị otu Prọfesọ Jong-hyun Ahn nke Ngalaba Electric na Electronic Engineering nke Mahadum Yonsei jiri MoS2 semiconductors na quantum dots iji nweta teknụzụ ngosi tri-color Micro LED dị elu. The technology, bipụtara na "Nature Nanotechnology " ma bụrụ onye mbụ n'ụwa na-emepụta teknụzụ jikọtara ọnụ site na iji semiconductors akụkụ abụọ na quantum dots, a na-atụ anya na a ga-eji ya mee ihe na mmepe nke ọgbọ na-esote nnukwu arụmọrụ augmented reality (AR) na virtual reality (VR).Ọ bụ ozi ọma makaỤlọ ọrụ LED.
Iji rụpụta ihe ngosi Micro LED, a chọrọ usoro mgbagwoju anya nke na-ebufe ibe Micro LED agba atọ na bọọdụ sekit azụ.Ọ bụ ezie na usoro mmepụta ihe a dabara adaba maka mmepụta nke nnukwu ngosipụta na obere mkpebi dị ala, ọ nweghị ike imezu ihe ndị na-achọsi ike nke ọgbọ na-esote augmented reality (AR) na ihe ngosi eziokwu (VR) nke chọrọ mkpebi dị elu na ịrụ ọrụ ọsọ ọsọ.
Iji merie teknuzu oke nke na-emepe emepe Micro LED ngosi, ndị nnyocha otu guzobere a abụọ akụkụ semiconductor molybdenum disulfide (MoS2) ozugbo na gallium nitride (GaN) wafer maka-acha anụnụ anụnụ LEDs, na mgbe ahụ jikọtara semiconductor sekit iji mepụta onye semiconductor sekit , rụpụtara nke ọma 500 PPI mbụ nke ụwa (ọnụọgụ Micro LED ìhè n'otu inch), ngosipụta Micro LED dị elu na-enweghị usoro mbufe.Na mgbakwunye, ndị otu nyocha ahụ ewepụtala usoro iji nweta agba atọ bụ isi site na ibipụta ntụpọ quantum na-acha anụnụ anụnụ GaN Micro LED, nke nwere ike imeziwanye mmepụta usoro ngosi ahụ ma belata ọnụ ahịa mmepụta.Tụkwasị na nke ahụ, nkà na ụzụ nke ndị otu nyocha mepụtara nwere ike ọ bụghị nanị ime ka usoro nrụpụta dị mgbagwoju anya nke Micro dị mfeIkanam na-egosiputa ngwaahịa, ma nwetakwa mkpebi dị elu.
Mahadum Kyung Hee na-emepụta ngwa ngwa optics dị oke egwu maka ngwaọrụ AR
N'oge na-adịbeghị anya, otu ndị nyocha nke Prọfesọ Lee Seung-hyun nke Ngalaba Electronic Engineering nke Mahadum Kyung Hee duziri jiri diodes micro light-emitting ultra-highly integrated micro light-emitting diodes (nke a na-akpọkwa ya dị ka Micro LEDs) iji mepụta ngwa anya ngwa anya nke nwere nha pixel nha. ahụ na ntụpọ quantum na ọmarịcha agba.Mweghachi.A na-atụ anya na a ga-eji ọtụtụ ihe nleba anya were wepụta onyonyo eziokwu agbakwunyere na anya.Fusion siri ike n'ihi ọdịiche dị na mmepụta nke sekit eletrọnịkị na Micro LED.Dịka ọmụmaatụ, a na-emepụta sekit eletrọnịkị na mkpụrụ silicon, ebe a na-emepụta micro LED na gallium nitride substrates.Iji dozie nsogbu a, òtù nyocha nke Prọfesọ Li mepụtara usoro nke nwere ike ibufe gallium nitride dị nro, ihe dị ka otu ụzọ n'ụzọ iri nke ọkpụrụkpụ ntutu mmadụ, n'ime ihe ndị dị na silicon.
Dabere na teknụzụ a, ndị otu nyocha ahụ mebere nha nha nke kacha nta n'ụwa (5μm) LED pixel site na iji naanị teknụzụ sekit silicon na enweghị usoro ngosipụta izugbe."Usoro mbufe na-emetụta nke ukwuu site na mgbasawanye ọkụ, yabụ anyị lekwasịrị anya n'ịme ka ọ dị obere alloy na obere okpomọkụ," nwa akwụkwọ injinịa eletriki Shin Yoo-seop kọwara.N'otu oge ahụ, ndị otu nyocha ahụ tinyere teknụzụ quantum dot iji kwalite ọnụego mmụba agba, na-agbakwunye echiche nke eziokwu na AR.Quantum dots adọtala uche dị ukwuu dị ka ngwaọrụ na-enye ọkụ na-esote ọgbọ n'ihi ịdị ọcha ha dị elu na fototability ma e jiri ya tụnyere ihe ndị na-emepụta ọkụ na-emekarị n'ihi na enwere ike ịmepụta ha site na ịmepụta ogologo ogologo ọkụ dị iche iche maka nha nha ọ bụla na-agbanweghị ụdị.ihe dị iche iche na agba.Agbanyeghị, ntụpọ quantum na-enwe ike ịnweta ihe mgbaze dị iche iche ejiri na nhazi semiconductor izugbe.
Iji dozie nsogbu a, ndị otu nyocha ahụ mepụtara "usoro mbufe akọrọ dị elu" nke nwere ike ịhọrọ usoro dịka ike ike elu si dị.Ha nwere ihe ịga nke ọma n'iji teknụzụ quantum dot iji nweta agba RGB na-enweghị ihe mgbaze.Pikselụ ngwa anya emepụtara dị ntakịrị ọbụlagodi mgbe a na-elele ya site na microscope, na-eme ka ha dabara maka obere ngwaọrụ dị ka wearables.Na mgbakwunye, pikselụ ngwa anya nwere ike nke ọmaedu oru ngoagbakwunyere onyonyo eziokwu site na igosipụta gamut agba dị elu.
Oge nzipu: Sep-02-2022