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Mini/Micro LED Industry in 2024: A Tale of Contrasting Fortunes Amidst Massive Investment (5)

2025-01-21

Beyond the focus on established and consensus - driven mature technologies, manufacturers in 2024 have been exploring uncharted territories in Micro LED technology. Whether these cutting - edge approaches will be the key to solving issues such as the decline in quantum effects, defect rates, and mass - process problems in Micro LED remains a topic worthy of continuous observation.

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In the spring of 2024, Xuxian Future unveiled a new Micro LED 4K large - screen display. It claims to adopt the world's first true Micro LED thin - film chip (removing the original substrate) MiP technology. Through chip miniaturization, original substrate removal, mass transfer, and semiconductor fan - out packaging and testing technologies, it applies Micro technology and Micro - sized chips (30um on each side) to actual mass - produced display products. As a result, substrate - free and new - generation semiconductor - level packaging have become hot topics in Micro LED technology.

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In 2024, on the basis of achieving small - batch trial production of PM - driven glass - based Micro LED display panels, Lehman Optoelectronics actively explored and upgraded glass - based technology. They built a patent protection barrier around glass - based technology and actively promoted the construction of a pilot production base. The PM glass - based process route is more conducive to mass transfer and does not require high - grade TFT resources.

In mid - 2024, Qiushui Semiconductor presented an 8 - inch hybrid - bonded non - destructive Micro LED digital vehicle headlight chip technology. This technology innovatively adopts an electrical insulation structure instead of a physical insulation method, achieving electrical isolation of each pixel point without any material damage. It is expected to launch a 0.61 - inch digital vehicle headlight module in 2025. Hybrid - bonding technology, a popular technology in the semiconductor field, when applied to the Micro LED chip area, can bring a diversified multi - layer and multi - color heterogeneous integration architecture. As a new micro - display technology, how it will impact the development of Micro LED technology in the future is a major directional issue in the industry.

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In addition to these cases, new innovations are emerging in an endless stream in the industrial chain of Micro LED applications, including materials, processes, integration equipment, inspection, and repair technologies. Industry insiders point out that the charm of Micro LED lies not only in its comprehensive application coverage and excellent display performance but also in the boundless potential offered by its diverse technological paths. How to combine more ideas, as well as materials, processes, and technologies from broader fields with Micro LED, remains the greatest driving force for the continuous development of the industry.

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