When the Micro LED miniaturization technology entered the mass production stage, it attracted the attention of the industry. Sony introduced the latest CLEDIS (Crystal LED Integrated Structure) large display at the Consumer Electronics Show (CES), highlighting the upcoming opening of the Micro LED in the commercial display market. battlefield.
Sony is expected to introduce mass production in 2017. Taiwanese companies are also actively investing in the Micro LED process to break through the mass production threshold. It is expected that in the second half of 2017, Micro LED large indoor displays and wearable devices will have the opportunity to mass production.
"If it is really successful, this industry may have a change." At the 2016 Gaogong LED Annual Meeting, Xie Mingxun, deputy general manager of Jingyuan Optoelectronics, said that from the perspective of the display, it is impossible for LEDs to finally Doing TV and mobile phones instead of current LCD modules is another possible trend.
Sony introduced Crystal LED Display technology in 2012, and imported 6.22 million micro LED particles into 55-inch TV. In 2016, Sony named the technology CLEDIS and established a strategy to target large-size displays by Micro LED.
Recently, Sony exhibited large-scale displays with RGB 3 color LED panel modules of 403mm × 453mm each. It has excellent color contrast and no border design. Each unit of CLEDIS can reach 320x360 resolution and display 8Kx2K images. effect.
Sony's CLEDIS large screen has been able to display extremely fine quality. When viewed from the stage, it is impossible to distinguish the LED particle components and significantly increase the pixel per inch (ppi) specification. If it is applied in high-end commercial indoor display applications in the future. It is likely to impact the traditional splicing type of large-size LCD screen wall products.
2017 will be a key year for Micro LED technology to enter mass production. Although the introduction of OLED panels into mobile phone screens has become a mainstream trend, it is difficult for Micro LEDs to challenge OLED panels in terms of image quality and pixel specifications. However, large-size display kanbans are accepted for cost and price. The higher the degree, and the easier to reach the specification of the pixel, is expected to become the fastest application field of Micro LED.
Overall, due to the large distance of large-scale display viewing, the screen pixel specification is expected to fall below 100 ppi, and the small-sized wearable device screen requires about 200~300 ppi, but to be applied in virtual reality (VR). Products, screen pixel specifications must reach more than 1,000 ppi, as the smartphone screen screen requirements are higher, it will be the application market for Micro LED to take off later.
Li Yunli, CEO of Taiwan's micro LED new entrepreneur, said that Micro LED technology research and development has achieved concrete results, and recently introduced production equipment and plants. It is expected to enter the real quality production stage from the end of the second quarter to the third season, and have the opportunity to grab the global market. The first record of mass production of Micro LEDs will create a complete production line with a target of 70-80% of Micro LED mass production yield (before screening), which is expected to be cost competitive.
From the perspective of application products, it is expected that mass production of Micro LED large-sized displays and wearable devices will begin in the second half of 2017. Currently, the contact targets include Asian and European customers. As for VR products, they have the opportunity to enter mass production in the first half of 2018. However, Although Mirco LED has the opportunity to enter mass production in 2017, its initial scale is limited, and explosive growth is expected to fall after two to three years.
The small-pitch display with the recent surge in demand mainly adopts the traditional LED packaging process. The current high-end specification is about 0.8mm, and the size limit may fall to 0.5mm. In comparison, the Micro LED can be mass-produced from 0.3mm or 0.25mm. It can even be further developed to 10x10 microns. However, because the positioning of Micro LED applications is different from that of outdoor small-pitch displays, it is expected to cut into the indoor commercial display market of 100~150å‹ in the future.
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