As the Reuters foreign media reports, Korea KAIST vertical blue team flexible film Micro LED (f-VLED) developed a method of producing a low cost is. A team led by Professor Lee Keon Jae Lee of the Department of Materials Science and Engineering developed a one-time transfer method for fabricating thousands of blue gallium nitride (GaN) Micro LEDs (thickness < 2 μm) arrays on plastics. . The blue GaN f-VLED achieves an optical power density (approximately 30 mW / mm2) that is three times higher than that of the lateral Micro LED. In addition, the team was able to reduce the heat generated by the device, extending the life of the projection device by approximately 100,000 hours. This blue f-VLED can be compliant with the wearable device to connect to the skin, even to the brain. In addition, the R&D team stated that the Micro LED can be powered stably by wirelessly transmitting power. Due to its very low power consumption, faster response speed and design flexibility, Micro LEDs are expected to replace AMOLED displays. However, to expand to larger displays and televisions, this manufacturing technology will need to be able to transmit millions of red, blue and green Micro LEDs. Professor Lee pointed out: "For future Micro LEDs, innovative technologies for thin film transfer, high efficiency devices and interconnects are necessary. We plan to showcase full-color LED displays of smart watch sizes by the end of this year." Editor: Yan Zhixiang
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