Tare da ci gaba da ci gaban MicroLED nuni, an sami ci gaba da yawa a fasaha.Kwanan nan, an sami sabbin ci gaba akai-akai a cikin nunin Micro LED, kuma an sami sabbin ci gaban fasaha da yawa a duniya.
Jami'ar Yonsei tana haɓaka fasahar nuni mai launi mai launi uku mai ƙarfi
An ba da rahoton cewa ƙungiyar Farfesa Jong-hyun Ahn na Sashen Lantarki da Injiniyan Lantarki na Jami'ar Yonsei sun yi amfani da MoS2 semiconductors da ɗigon ƙididdiga don cimma babban ƙudurin nunin fasahar nunin launuka masu launuka uku na Micro LED. Fasaha, wanda aka buga a cikin "Nature Nanotechnology , "kuma shine farkon duniya don haɓaka fasahar haɗin gwiwa ta amfani da semiconductor mai girma biyu da dige ƙididdiga, ana tsammanin za'a yi amfani da shi wajen haɓaka haɓakar haɓakar haɓaka mai girma na gaba-gaba (AR) da nunin gaskiya (VR).Labari ne mai dadiLED masana'antu.
Don kera nuni na Micro LED, ana buƙatar tsari mai rikitarwa na canja wurin kwakwalwan kwamfuta masu launin Micro LED guda uku zuwa allon kewayawa na baya.Duk da yake wannan hanyar masana'anta ta dace da samar da manyan nuni tare da ƙaramin ƙuduri, ba zai iya biyan buƙatun haɓaka gaskiyar haɓakar ƙarni na gaba (AR) da nunin gaskiyar gaskiya (VR) waɗanda ke buƙatar babban ƙuduri da aiki mai sauri.
Don shawo kan iyakokin fasaha na haɓaka nunin Micro LED, ƙungiyar binciken sun kafa semiconductor molybdenum disulfide (MoS2) kai tsaye a kan gallium nitride (GaN) wafer don LEDs shuɗi, sannan kuma haɗa da'irori na semiconductor don ƙirƙirar da'irori na kowane semiconductor, samu nasarar gane farkon 500 PPI a duniya (yawan maɓuɓɓugan hasken Micro LED a kowane inch), nunin Micro LED mai girma ba tare da tsarin canja wuri ba.Bugu da ƙari, ƙungiyar binciken ta kuma haɓaka wata dabara don cimma launuka na farko guda uku ta hanyar buga ɗigon ƙididdiga akan shuɗi GaN Micro LEDs, wanda zai iya inganta yawan aikin nuni da rage farashin samarwa.Bugu da ƙari, fasahar da ƙungiyar bincike ta haɓaka ba kawai za ta iya sauƙaƙe tsarin masana'anta na Micro baLED yana nuna samfurin, amma kuma cimma babban ƙuduri.
Jami'ar Kyung Hee ta haɓaka tsararrun na'urorin gani na AR
Kwanan nan, ƙungiyar bincike karkashin jagorancin Farfesa Lee Seung-hyun na Sashen Injiniyan Lantarki na Jami'ar Kyung Hee sun yi amfani da diodes masu fitar da hasken wuta mai ɗorewa (wanda ake kira Micro LEDs) don ƙirƙira kayan aikin gani tare da girman pixels na ƙura. barbashi da ɗigon ƙididdigewa da kyakkyawan launi.Maimaitawa.Ana sa ran za a yi amfani da tsararrun abubuwan gani don aiwatar da ingantattun hotuna na gaskiya akan ido.Fusion yana da wahala saboda bambance-bambance a cikin masana'antar masana'anta na da'irori na lantarki da Micro LEDs.Yawanci, ana ƙirƙira da'irori na lantarki akan abubuwan siliki, yayin da Micro LEDs an ƙirƙira su akan gallium nitride substrates.Don magance wannan matsala, ƙungiyar bincike ta Farfesa Li ta ƙera wata dabarar da za ta iya tura siraran siraran gallium nitride, kusan kashi ɗaya bisa goma na kaurin gashin ɗan adam, zuwa kan siliki.
Dangane da wannan fasaha, ƙungiyar binciken ta sami nasarar samar da mafi ƙarancin ƙwayar ƙwayar ƙwayar cuta a duniya (5μm) pixel LED ta amfani da fasahar da'irar silicon kawai ba tare da tsarin nuni na gaba ɗaya ba."Dabarun canja wuri yana da tasiri sosai ta hanyar haɓakar zafi, don haka mun mai da hankali kan yin ɓangarorin ɓarke a cikin ƙananan yanayin zafi," in ji ɗalibin injiniyan lantarki Shin Yoo-seop.A lokaci guda, ƙungiyar binciken ta yi amfani da fasahar ƙididdige ƙididdigewa don haɓaka ƙimar haifuwar launi, ƙara fahimtar gaskiyar ga AR.Ƙididdigar ƙididdiga sun jawo hankali sosai a matsayin na'urori masu fitar da haske na gaba-gaba saboda girman launi mai tsabta da kuma yanayin hoto idan aka kwatanta da kayan da ke ba da haske na al'ada saboda ana iya samar da su ta hanyar samar da tsayin tsayi daban-daban na tsawon haske ga kowane girman barbashi ba tare da canza nau'in ba.kayan launi daban-daban.Koyaya, ɗigon ƙididdigewa suna da sauƙi ga kaushi daban-daban da aka yi amfani da su wajen sarrafa semiconductor gabaɗaya.
Don magance wannan matsala, ƙungiyar bincike ta ɓullo da "hanyar canja wurin bushewa mai girma" wacce za ta iya zaɓin tsari gwargwadon ƙarfin makamashin saman.Sun yi nasarar yin amfani da fasahar ɗigon ƙididdiga don cimma launi RGB ba tare da sauran ƙarfi ba.Ƙirƙirar pixels na gani suna da ƙanƙanta ko da idan an duba su ta hanyar na'ura mai ma'ana, yana sa su dace da ƙananan na'urori irin su wearables.Bugu da kari, pixels element na gani na iya bayyanejagoranci aikinhaɓaka hotuna na gaskiya ta hanyar nuna gamut mai launi mai girma.
Lokacin aikawa: Satumba-02-2022