January 09, 2025

A number of A-share companies layout Mini LED, mass production is in sight!

Although the commercial floor has not yet been seen, the Mini LED (sub-millimeter light-emitting diode) has a very high "sound" in the near future.

According to reports, due to concerns about Apple's excessive use of OLED panel capacity, Huawei, OPPO, Xiaomi and other plans to adopt Mini LED backlight panel solutions on mobile phones in the second half of 2018. This information has not been confirmed by mobile phone manufacturers, but currently LED industry chain companies have high hopes for Mini LED products.

On the evening of April 9, Ruifeng Optoelectronics announced that it plans to raise funds for convertible bonds of no more than 468 million yuan, of which about 160 million yuan will be invested in sub-millimeter light-emitting diode (Mini LED) packaging production projects and micro-light-emitting diode (Micro LED) technology. R&D center project. From the perspective of fundraising projects, Ruifeng Optoelectronics already has the packaging capacity of Mini LED, and Micro LED is in the technology research and development stage.

In addition to Ruifeng Optoelectronics' strong commitment to the two technologies of Mini LED and Micro LED, the company that distributes Mini LED in the A-share market also has Zhaochi Co., Ltd., Ganzhao Optoelectronics, Huacan Optoelectronics, and Guoxing Optoelectronics.

1. Mini LED replacement

What is the display technology of Mini LED and Micro LED? What is the difference between the current mainstream OLED display? What is the status in the current industry?

The "Securities Times" reporter interviewed many industry insiders and learned that OLED has occupied an absolute advantage in the market of TV and mobile phone. However, it is well known that OLEDs currently have limited capacity and are basically monopolized by South Korea. Enterprises originally in the LED display market were hit, but many LED companies did not choose to follow OLED technology.

In addition to OLED screen technology, Micro LED is widely regarded as the next generation display technology, which has excellent display performance, low power, high brightness, and there is no "burning" phenomenon that may occur in devices using OLED technology. , is a very ideal choice.

Regarding this technology, Apple acquired LuxVue in 2014, and cooperated with the supply chain to research production problems based on Micro LED devices. The layout of Micro LEDs also includes Hon Hai, Sony and so on. However, Micro LEDs also have problems in mass production, and Mini LED technology is considered to be an ideal transitional product because it has the advantages of Micro LED and is easy to mass-produce.

Taiwan is the main market for launching Mini LEDs and Micro LEDs. Mainly due to the explosion of the high-end OLED panel market and South Korea's near-monopoly position in high-end OLED panel technology, Taiwan LED-related companies have been greatly affected. At a time when Micro LED, which is regarded as the next generation of display technology, has not progressed, Taiwanese companies are in desperate need of new growth points. Mini LED has become an ideal product.

Ding Jinglong, executive vice president of Innolux, said in an interview: "Taiwan has not kept up with the investment in AMOLED panels, and it is already late, but if it can be successfully developed in Mini LED and Micro LED, there will be opportunities to send AMOLED panels in the future. Into the refrigerator. ”

According to reports, in terms of technology implementation, compared with traditional LCD display technology, Mini LED's high dynamic range imaging has higher fineness, lower energy consumption, more detailed picture, and can achieve "full screen" effect. As a new display technology, Mini LED can be applied to large-size displays, TVs and cell phone backlights.

In addition, Mini LEDs have lower costs. Ruifeng Optoelectronics said in the announcement that the 6-inch mobile phone panel is an example. At present, the cost of the LCD panel of the ordinary LED backlight design is about 20-30 US dollars, the cost of the flexible OLED is about 80-100 US dollars, and the cost of the LCD panel using the Mini LED backlight design. It is about $40-50.

2. Many companies claim that mass production can be achieved

In the field of Mini LEDs, there are already many A-share companies in the layout. Ruifeng Optoelectronics said in the announcement that the company has an early layout of Mini LED technology and has achieved first-mover advantage in some key technologies. At present, in the application of Mini LED, the company has cooperated with internationally renowned home appliance customers in the development of Mini LED backlight display module for TV and has made great progress. In addition, it is working with internationally renowned communication companies in the mobile phone Mini LED backlight display module. The flexible surface Mini LED package display technology has been jointly developed and has achieved small batch production.

In addition, the "Securities Times" reporter learned from the Zhaochi shares, the company believes that Mini LED and Micro LED is the future development direction of the display technology, the company has begun to layout, and currently continue to track Micro LED including chips, packaging and massive transfer technology, while Focus on the Mini LED, and cooperate with well-known domestic mobile phone manufacturers, it is already mass-produced.

Huacan Optoelectronics said on the interactive platform that Mini LED is one of the company's active research and development and layout. It has advantages over OLED in terms of display performance and power saving. The technology for consumer electronic display such as mobile phones and TVs is large. When enabled, chip demand will grow exponentially. At present, the company's Mini LED chip technology research and development and product production are actively promoting.

BOE A directly targets the next-generation display technology Micro LED. BOE A recently said on the interactive platform that Mini LED is one of the most competitive technologies for the development of new technologies in the future, but the technology is not yet mature and will take some time. development of. However, it also said that the company has carried out technical research on Micro LED and made some progress.

The Securities Times consulted Ruifeng Optoelectronics about the customer situation, and the other party said that the customer name is still in the confidential stage. However, it has jointly developed Mini LED products with the head brands of home appliances and mobile phones. At present, the industry has basically determined that Micro LED is the next-generation display technology. Mini LED and Micro LED technology belong to the same technical route. From the feedback of customers, TV and mobile phone customers are positive about the next step of adopting Mini LED screen.

In terms of policy, Wu Shengwu, deputy director of the Department of Electronic Information of the Ministry of Industry and Information Technology, said on April 8 that the Ministry of Industry and Information Technology and the National Development and Reform Commission jointly prepared the "Three-Year Action Plan for the New Display Industry Beyond Development", which will be released soon. In the next step, the Ministry of Industry and Information Technology will guide enterprises to accelerate the research and development of mass production technologies such as new backplanes, ultra-high definition and flexible panels, and accelerate the research and development of forward-looking display technologies such as AMOLED microdisplay, quantum dots, printed OLED display and Micro LED display. Exploration and layout of technical routes.

Tianfeng Securities recently released a research report that the global display technology and the new display technology at the critical point of industrialization mainly use OLED, QLED, Micro LED, upgraded LCD (such as Mini LED), etc., showing the choice of route Certainty. Firmly optimistic about the OLED trend, watching the Micro, Mini and closely observe, OLED has been mass-produced in the full-size field and formed a good pattern and development momentum. Micro LED, QLED, Mini LED are also in a period of rapid development and need to be continuously tracked. The breakthrough of core technology and the rhythm of mass production and volume.


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