Mikro LED mikron{0}}oʻlchovli LEDlarni yorugʻlik chiqaradigan piksel birliklari- sifatida ishlatadigan va ularni yuqori-zichlikdagi displey massivini hosil qilish uchun harakatlantiruvchi modullar bilan birlashtirgan texnologiyaga ishora qiladi. LCD va OLED kabi joriy asosiy displey texnologiyalari bilan solishtirganda, Micro LED yorqinlik, piksellar sonini, energiya iste'moli, xizmat ko'rsatish muddati, javob tezligi va termal barqarorlik bo'yicha avlodlar o'rtasidagi ustunliklarga ega va xalqaro miqyosda tan olingan kelajakdagi displey hisoblanadi. texnologiya.
Biroq, Micro LEDni sanoatlashtirish hali ham ko'p qiyinchiliklarga duch kelmoqda. Birinchidan, kichik oʻlchamdagi yuqori zichlikdagi displey birliklarining-haydash talablariga mos kelish qiyin. Ikkinchidan, sanoatda ommabop boʻlgan ommaviy uzatish texnologiyasini narxi va rentabelligi boʻyicha yuqori aniqlikdagi displeylarni ishlab chiqish ehtiyojlarini qondirish qiyin. Ayniqsa, AR/VR kabi ultra{2}}yuqori-ravshan ilovalar uchun nafaqat ruxsat 3000PPI dan oshishi, balki displey piksellari ham tezroq javob chastotasiga ega bo‘lishi kerak.
Professor Zhang Rong of Xiamen Future Display Technology Research Institute cooperated with Nanjing University, Southeast University, Tianma Microelectronics Co., Ltd. and other units to propose a super-resolution Micro LED display technology solution based on MoS₂ thin film transistor driver circuit and monolithic integration.
The team developed a non-"massive transfer" low-temperature monolithic heterogeneous integration technology, using a nearly non-destructive large-scale two-dimensional semiconductor TFT manufacturing process to achieve a 3232 array of 1270 PPI high-brightness, high-resolution microdisplays, It can meet future cross-field applications such as micro display, vehicle display, and visible light communication.
Among them, compared with the traditional two-dimensional semiconductor device process, the new process developed by the team improves the performance of thin film transistors by more than 200 percent , reduces the difference by 67 percent , and the maximum driving current exceeds 200μA/μm, which is superior to IGZO, LTPS and other commercial materials. Show The huge application potential of two-dimensional semiconductor materials in the display driving industry is revealed.
Atom jihatdan yupqa tranzistorlar matritsasidan boshqariladigan uch-oʻlchovli monolit mikro-LED displeylar
The research results are written in the article "Three-dimensional monolithic micro-LED display driven by atomically thin transistor matrix" and published in Nature Nanotechnology on September 9, 2021 (corresponding authors are Professor Wang Xinran, Professor Liu Bin, Professor Shi Yi and Professor Zhang Rong ).
Bu dunyoda birinchi marta yuqori samarali ikki oʻlchovli yarimoʻtkazgich TFT va Micro LEDning ikkita yangi texnologiya-birlashtirilgani boʻlib, Micro LED displey texnologiyasining kelajakdagi rivojlanishi uchun yangi texnik yoʻnalishni taqdim etadi. .
