Micro-LED Display Know-how from the Flip Panel Industry | Anue Juheng – Juheng’s New Eyesight

Penned by Lin Yuyuan

International companies are established to start micro-LED televisions in the 3rd quarter of this yr, announcing that the long-awaited micro-LED technological innovation has at last been commercialized. In the subsequent handful of decades, specialized applications such as automotive, clear, and AR shows will be steadily introduced to micro-LED, which will renew the horizons of global show merchandise in one particular fell swoop. The technologies vital in the hands of Taiwan. This new generation technological know-how in the flip-panel industry has also been identified by this year’s ITRI Elite Industrialization Contribution Gold Medal.

The micro-LED know-how opposition is not only about know-how, but also about endurance. With the comprehensive support of the Division of Technologies of the Ministry of Financial Affairs and the assistance of the Industrial Bureau to grow the scope of the software, Fang Yanxiang, head of the Institute of Digital Systems and Optoelectronics, ITRI, and his group have devoted 10 yrs to the study and progress of micro-LED challenging from the initial bold text preference In 2016, the “Micro-LED Alliance” was founded to horizontally integrate the market chain, connecting upstream semiconductors, state-of-the-art packaging and testing, and downstream panel factories to international exports, pushing Taiwan to a placement management in next technology display screen know-how. ITRI ​​recently introduced the world’s initial “miniature full-color micro-LED screen”, which combined with quantum dot products, is the only immersive and superior-resolution solution on the market place with a solitary panel with a few principal shades of purple. , eco-friendly and blue.

In addition to tough operate in the exploration and development of micro-LED, the additional crucial significance of ITRI is to promote cooperation and enhance the domestic industrial chain. Fang Yanxiang reported, “The achievements of micro-LED investigation and progress is a big breakthrough in Taiwan’s display screen engineering. Domestic gamers have absent from preventing only in the past to directly binding terminal units and brand name players, and at the exact time connecting to upstream and downstream for joint enhancement, breaking into functional necessities, centralized micro-LED show industry, the extra benefit has been properly amplified.”

Taiwan used to be a major producer of monitors in the earlier. However, most of the goods are of fixed requirements, and the ground breaking research and growth portion is dominated by clients. At the starting of ITRI’s financial commitment in micro-LED, it deserted the display goods that just utilized price as a sector entry, and in its place regarded chopping-edge products and solutions that could correctly use the properties of micro-LED as a premise, and then grasp the worldwide micro-LED technological innovation. , alongside with a full offer chain, has persuaded important elements and method producers this kind of as the United States and Japan to take part in joint research and progress with Taiwanese brands.

Initial find the enhancement of the upstream and downstream source chains in Haikou with each other

Fang Yanxiang mentioned that for the duration of the early stage of investigate and progress, the ITRI workforce set the aim of “getting the sea to start with”, so the Evidence of Idea (POC) was pretty critical He traveled to world-wide technologies exhibitions to current the feasibility and probable of this new technological innovation to the marketplace. Efforts ended up not in vain. Global model producers this sort of as in-vehicle, Tv set, AR, and so on. with ultimate entry to the sea noticed the successful take a look at of the ITRI strategy, and resolved to introduce micro-LED, the future technology exhibit technology. .

At the time the downstream export market place is decided, domestic source chain suppliers can confidently commit in investigation and progress, and the Industrial Technologies Exploration Institute can also play the purpose of technological know-how integrator In the micro-LED industry alliance, it is also incorporates marketplace gamers that did not belong to the show industry in the previous, this sort of as: Semiconductor tools, PCB, advanced packaging and testing, and so forth.

“The essential technological know-how of micro-LED is mass transfer, which has been mastered by the Industrial Know-how Exploration Institute, but it nonetheless requirements mass testing and repair service cooperation.” Fang Yanxiang spelled out that the output yield of micro-LED has attained 99.99% (Only a single micro-LED is broken for just about every 10,000 micro-LEDs.) Having said that, in phrases of 4K and 2K displays, there are 24 million of micro-LEDs. The higher than merchandise fee indicates that there will be countless numbers of defective products and solutions in every single display How to select prior to mass transfer and repair swiftly just after mass transfer is the vital details In addition, thanks to the superior technologies of micro-LED, need to be adapted to fulfill the one of a kind requirements of model producers Mass tests or There is also no precedent for patching. From know-how development to industrial integration, “every phase is a obstacle,” Fang Yanxiang admitted.

Three specialized in-car or truck programs, AR / MR, and clear display screen

Specialized applications for micro-LEDs to attain the fastest incorporate: automotive market place, AR / MR, transparent shows, etc. Initial of all, in the automotive subject, the miniaturization, small electric power and high brightness traits of the micro-LED let sensors to be integrated into the exact same module It will be merged into one particular large display screen, and has attributes curved , Interactive sensible cockpit, which can detect biometric features such as driver or passenger gestures, eyeballs, and so on., driving a hugely immersive intelligent practical experience.

In the area of AR / MR, that is, the application of the Metaverse, the higher brightness, significant electrical power conserving, modest dimensions and significant resolution micro-LED can be clearly displayed in the sunlight at the similar time, the power intake is extremely minimal, which can be used for a very long time Electric power lack bottleneck. A further element of the Metaverse is interaction Sensing components engage in an vital position. Micro-LEDs are thin and gentle and can be easily integrated with sensing factors. In the long term, AR glasses making use of micro-LEDs will seem comparable to regular glasses.

The 3rd application is a transparent show. By introducing micro-LED engineering on the windows of substantial-speed railways, MRT, trains and buses, journey and historical facts can be shown on the window glass when passing by means of scenic spots. In addition, purchasing shopping mall windows, home mirrors and glass, and so on., have the option to grow to be the software discipline of micro-LED transparent show, and the marketplace is pretty extensive.

The raise in extra price demonstrates that the business is turning bones

In addition to introducing new source chain players, micro-LED is also assisting standard display manufacturers successfully transform. Using the panel manufacturing facility as an case in point, rather of passive mass creation according to shopper specs, it participates in the design and style phase according to the previously mentioned specialized applications, and invites upstream substance, tools and screening factories and downstream to jointly. improvement, So the extra worth can be enormously enhanced.

Fang Yanxiang claimed that micro-LED has transformed Taiwan’s panel manufacturing facility into a Tier 1 supplier of model factories, actively playing the function of process integration, which is pretty acceptable for Taiwan’s “island-intense offer chain” industrial attributes, “micro-LED”. which is driving the transformation and upgrading of the panel market. It has took place, and the final results will exhibit in 3 to 5 yrs.”

Reprinted from the July 2022 problem of the 364th issue of “Industrial Technologies and Details” Regular monthly, and may perhaps not be reproduced devoid of authorization.


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