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Mini/Micro LED Industry in 2024: A Tale of Contrasting Fortunes Amidst Massive Investment (4)

2025-01-15

AM - TFT Micro LED: A Promising Leap in Display Technology

In 2024, AM - TFT Micro LED technology has emerged as a core focus in the field of display technology upgrades. This technological approach not only holds the key to exploring different - sized application markets, including large, medium, and small - sized ones, but also addresses the integration with the existing TFT glass - based semiconductor display industries of mass - liquid - crystal and OLED. As a result, traditional display panel and color TV enterprises show a stronger interest in AM - TFT Micro LED than the LED direct - view industry.

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Samsung, in collaboration with key suppliers like AUO, has been discussing strategies for AM - TFT Micro LED. Their plan is to reduce the product cost by over 90% in the coming years, aiming to accelerate the implementation and growth of AM - TFT Micro LED in the color TV, IT, and automotive markets.

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On November 7, 2024, Tianma Microelectronics held the 2024 Tianma Innovation Conference in Xiamen. In partnership with Hisense Visual Technology and Qianzhao Optoelectronics, they jointly released the AM - TFT Micro LED display prototype with the world's highest PPI. AUO is also making efforts to build the world's most advanced 4.5 - generation Micro LED production line, which is expected to be completed in October 2024 and commence mass production in 2025. Meanwhile, Chenxian Optoelectronics' Chengdu factory, invested by Visionox, held the equipment - moving - in ceremony for its first TFT - based Micro - LED mass - production line (VSM) in September 2024. BOE's MLED Zhuhai project (Jingxin Zhuhai project) was launched in 2024, entered the equipment - moving - in stage in December 2024, and is set to start mass production in the first quarter of 2025.

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Several projects are targeting mass production in 2025, marking a significant step forward for AM - TFT Micro LED in 2024. In addition to the ongoing construction of production lines, there are also various differentiated technological routes. For example, the combination of AM - TFT and MIP Micro LED shows potential in further reducing the cost of mass transfer. The quantum - dot colorization solution is another highlight. In the fourth quarter of 2024, Innolux introduced a 187 - inch seamless - spliced quantum - dot color - conversion Micro LED display. This display, using a TFT - driven backplane four - side - splicing scheme, offers customizable sizes from 26.4 inches to 220 inches and multiple resolution specifications. With the quantum - dot color - conversion technology, the number of mass - transfer times and complexity of Micro LED are reduced by two - thirds, greatly lowering the threshold for mass production.

Overall, 2024 has witnessed remarkable technological upgrades in AM - TFT Micro LED. With more manufacturers presenting four - side - splicing and infinite - splicing products, which differ from the two - side - splicing products launched in 2023, and making numerous explorations in mass - production line construction and new technologies, AM - TFT Micro LED is building a solid foundation for its future market penetration.

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