Kwanan nan, ƙungiyar bincike ta BOE ta buga wata takarda mai taken Tsarin Kunshin Labarai na Novel yana Inganta Ingancin Haske na Nunin Ƙananan LED a cikin mujallar Nunin Bayanai.
Tsarin Tsarin Marufi na Micro LED Nuni (Tushen hoto: Nunin Bayani)
Binciken ya gabatar da wani sabon tsari na marufi na Micro LED, wanda ya yi nasarar magance ƙalubalen fasaha na masana'antu kamar fitar da ƙananan kwakwalwan LED masu ƙarfi a gefen bango, ƙarancin amfani da makamashin haske, da kuma canza launi.
An ruwaito cewa yayin da girman pixel ya ragu zuwa ƙasa da 50μm, yankin gefen guntu yana ƙaruwa, wanda ke haifar da haɓaka fitar da iskar waje da rage fitar da ƙananan LEDs. Wannan yana haifar da asarar haske da karkacewar launi, yana iyakance amfani da ƙananan LEDs a cikin yanayin nuni mai inganci.
Domin magance wannan matsala, ƙungiyar bincike ta BOE ta ƙirƙiro tsarin marufi mai haɗaka wanda ya ƙunshi manne mai haske mai haske, farin resin mai haske mai haske, jerin microlens, da kuma matrix baƙi mai tsari (BM).
Ta hanyar gabatar da wani tsari mai nuna haske mai haske a kan kwakwalwan Micro LED, masu bincike sun inganta kusurwar fita daga saman guntu, suna ƙara kusurwar mahimmanci daga digiri 25 zuwa matsakaicin digiri 65.9 da kuma inganta ingantaccen fitar da haske a saman.
A halin yanzu, farin resin mai haske yana samar da tsarin isosceles trapezoidal tsakanin guntu, wanda zai iya tattarawa da watsa haske, yana ƙara haske a kusurwar kallo 0° da kusan 27%. Bugu da ƙari, tsarin plasma don cire manne da ya rage yana tabbatar da fitar da haske mara toshewa.
Dangane da sarrafa haske, ƙungiyar ta yi amfani da fasahar lithography na nanoimprint don ƙera jerin microlens masu inganci, inda suka cimma daidaiton haske a cikin ±60°.
Sakamakon kwaikwayo ya nuna cewa idan lanƙwasa ruwan tabarau ya kai 0.03 kuma ma'aunin haske ya kai 1.85, ƙarfin haske yana ƙaruwa da sama da 53%. Bugu da ƙari, binciken ya gabatar da matrix baƙi mai tsari a cikin gilashin marufi, wanda ya rage hasken haske zuwa ƙasa da 2% kuma ya cimma babban rabon bambanci fiye da 20,000:1, wanda hakan ya inganta ingancin nuni sosai.
(a) Tsarin ƙananan LED, (b) Alkiblar fitar da haske a cikin guntu, (c) Rarraba haske (Tushen hoto: Nunin Bayani)
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Ƙungiyar bincike ta BOE ta bayyana cewa wannan tsarin ba wai kawai yana cimma nasarori a fannin ingancin gani da daidaito ba, har ma yana la'akari da amincin marufi. Haɗin murfin gilashi da kuma OCA (Optically Clear Adhesive) Layer yana haɓaka halayen hana ruwa shiga, hana iskar shaka, da kuma juriya ga lalacewa, yana samar da ingantacciyar hanya don amfani da ƙananan LEDs a fannoni kamar nunin motoci, belun kunne na AR/VR, da na'urorin da ake iya sawa.
BOE ba wai kawai ta cimma sabbin sakamakon bincike na Micro LED ba, har ma ta ci gaba da haɓaka fasahar nuni kai tsaye ta Mini/Micro LED da aikace-aikacenta.
Lokacin Saƙo: Oktoba-23-2025