Fasahar nuni na ƙarni na gaba Micro LED ya zama babban abin da aka fi mayar da hankali kan Nunin Nunin Nuni na Touch Taiwan Smart na wannan shekara.Tare da buɗe shekarar farko ta Micro LED a bara, manyan masana'antun sun nuna yanayin wasan kwaikwayo da yawa da aikace-aikacen sa ido a wannan shekara, kuma 2022 babu shakka zai zama babbar shekara bayan farawa.Tare da ci gaba da ci gaba da fasaha na fasaha, masana'antun Micro LED sun ketare tsaunukan biyu na "farashi" da "samarwa", kuma suna fuskantar "sabon sararin sama" a idanun Micro LED.
The Micro LED tsari ne yafi raba guntu girma, guntu masana'antu, bakin ciki film tsari, taro canja wuri, dubawa da kuma gyara.Saboda kau da LED kunshin da substrate, barin epitaxial film, da Micro LED guntu ne m, bakin ciki da kuma guntu, samar da wani iri-iri na nuni pixel size.A lokaci guda, Micro LED kuma gaji abũbuwan amfãni daga.LED nuni, tare da babban ƙuduri, babban haske, tsawon rai, gamut launi mai faɗi, halayen haske na kai, ƙananan amfani da wutar lantarki, da mafi kyawun kwanciyar hankali na muhalli, dace da aikace-aikacen nuni mai kaifin baki na gaba, Irin su mota, gilashin AR, na'urorin sawa, da dai sauransu.
Idan aka kwatanta da tsarin masana'antar LED na gargajiya, ana iya amfani da matakan haɓaka guntu Lei, masana'antar guntu Micro LED, da tsarin masana'antar fim na bakin cikiP1.56 LED nuni mai sassaucimasana'antu kawai ta hanyar gyare-gyaren kayan aiki, amma ya fi wuya a canja wurin, ganowa da gyara adadi mai yawa.Daga cikin su, canja wurin taro, dubawa da gyare-gyare, da ingantaccen ingancin jan Micro LED sune ƙullun a cikin fasahar zamani, kuma su ne mabuɗin da ke shafar farashi da yawan amfanin ƙasa.Da zarar an rushe waɗannan matsalolin kuma an rage farashin, akwai damar da za a iya samar da yawa.ci gaba.
Daya daga cikin cikas ga "Sabon Horizons": Canja wurin taro
Tun da kauri na epitaxial substrate ya fi girman girman guntu, Micro LED dole ne a canza shi da yawa, an cire guntu, an sanya shi a kan ma'aunin ajiya na wucin gadi, sannanMicro LEDana canjawa wuri zuwa hukumar da'ira ta ƙarshe ko sigar TFT.Babban fasahar canja wurin taro a wannan matakin sun haɗa da haɗa ruwa, canja wurin Laser, fasahar ɗauka da wuri (Tambarin Pick & Place), da sauransu.
Fasahar Pick-and-place tana amfani da fasahar tsararru ta MEMS don fasahar zaɓe da wuri, amma fasahar karba-da-wuri ta LED tana da tsada mai yawa saboda jinkirin ɗaukar-da-wuri;Amma ga Laser canja wurin, Micro LEDs ana sauri da kuma massively canjawa wuri daga asali substrate ta Laser katako Micro LED zuwa manufa substrate.Yang Fubao, wani manazarci a TrendForce, ya yi nuni da cewa, fasahar karban gargajiya na da wahala a samar da yawa saboda saurin gudu da tsadarta a baya.Sabili da haka, a wannan shekara, fasahar ta canza sannu a hankali daga na'urar gargajiya zuwa fasaha mai mahimmanci da sauri.canja wuri don taimakawa rage farashi.Amma game da fasahar haɗuwa da ruwa, ana amfani da mahaɗin narkakken solder capillary, kuma ana iya amfani da ruwan dakatarwar ruwa azaman matsakaici yayin taro don haɗa na'urorin lantarki da na lantarki, da sauri kama da daidaita Micro LEDs zuwa gaɓar haɗin gwiwa. .Babban taro yana yiwuwa.Kwanan nan, Huawei ya kasance yana ƙaddamar da fasahar Micro LED.Daga mahangar bayanan haƙƙin mallaka, yana yiwuwa a yi amfani da fasahar haɗuwa da ruwa.
"Sabon Horizons" Tsanani Na 2: Ganewa da Gyara
Kodayake canja wurin taro ya kasance mabuɗin don samar da taro, mahimmancin dubawa na gaba da gyara kwakwalwan Micro LED ba shi da mahimmanci fiye da canja wurin taro.A halin yanzu, hanyoyin da aka fi amfani da su a cikin masana'antu sune photoluminescence (PL) da electroluminescence (EL).Halin PL shine ana iya gwada shi ba tare da tuntuɓar ko lalata guntu na LED ba, amma sakamakon gwajin ba shi da kyau kamar na EL;akasin haka, EL na iya samun ƙarin lahani ta hanyar gwada guntuwar LED ta hanyar kunna shi, amma yana iya haifar da lalacewar guntu saboda lamba.
Bugu da ƙari, guntu na Micro LED ya yi ƙanƙanta don dacewa da kayan gwaji na gargajiya.Ko da kuwa ko an yi amfani da gwajin EL ko PL, za a iya samun yanayi mara kyau na ganowa, wanda shine ɓangaren da ya kamata a shawo kan shi.Amma ga bangaren gyara, Micro LED masana'antun yi amfani da ultraviolet sakawa a iska mai guba fasahar gyarawa, Laser narkewa fasahar, zažužžukan gyara fasahar, zabi Laser gyara fasahar da madadin kewaye zane mafita.
Hani na uku ga "Sabon Horizons": Red Micro LED Chips
A ƙarshe, akwai launi na nunin kanta.Don Micro LEDs, idan aka kwatanta da shuɗi da kore, ja shine launi mafi wahala don nunawa, kuma farashin yana da girma.Nitride semiconductors a halin yanzu ana amfani da su a cikin masana'antu don samar da blue da kore Micro LEDs.Red Micro LEDs dole ne a haxa su tare da tsarin kayan abu da yawa ko kuma a samar da su tare da semiconductor phosphide.
Duk da haka, matsalar daidaituwar launi na iya faruwa a lokacin aikin epitaxial.Haɗin nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan LEDs da masu haɓaka suna haɓaka haɓakar haɓakar masana'anta.Tsarin yankan kwakwalwan kwamfuta kuma na iya haifar da rashin ingancin haske, ban da girman raguwar., ingancin phosphide Micro LED kwakwalwan kwamfuta za a rage muhimmanci.Bugu da ƙari, ana buƙatar kayan aiki masu gauraye a cikin tsarin semiconductor, don haka yana da rikitarwa, mai cin lokaci, tsada, kuma yawan amfanin ƙasa yana da wuya a inganta.
Saboda haka, wasu masana'antun sun inganta daga kayan da kanta.Misali, Porotech, wani kamfani na Micro LED, ya fitar da indium gallium nitride (InGaN) na farko a duniya, wanda ke da haske Micro LED nuni, wanda ke nufin cewa dukkan nau'ikan nunin guda uku suna amfani da InGaN azaman kayan nuni, wanda ba'a iyakance akan kowane. substrate.Bugu da kari, JBD, babban masana'anta na Micro LED, ya himmatu ga fasahar jan Micro LED na tushen AlGaInP a baya, kuma kwanan nan ya sanar da cewa ya kai nits 500,000 na ultra-high haske ja Micro LED taro samar.
Ko da yake mun kawo a farkon shekarar Micro LED, da yawa matsaloli har yanzu bukatar lokaci da za a warware a hankali.A halin yanzu, mun ga farkon aikace-aikacen.An yi imanin cewa bayan kwalabe kamar canja wurin taro, dubawa da kiyayewa, da ingantaccen aiki mai haske an shawo kan su daya bayan daya, ana sa ran samun nasarar Micro LED.Kasuwanci, a nan gaba, ana iya ganin aikace-aikacen da Micro LED ya kawo a cikin fuska na mota, manyan nunin nuni, kayan AR / VR,nunin jagorar babban ƙudurikayayyakin sawa, da sauransu.
Lokacin aikawa: Satumba-12-2022