Think about it: just over ten years ago, there was this massive factory in Sakai City, Osaka, that everyone called the most cutting-edge LCD plant in the world. People even referred to it as the "LCD capital." Now, large parts of that same site are being turned into huge AI data centers-rows of server racks are taking the place of those spotless cleanrooms where panels used to be made. It sounds almost unbelievable, but this is exactly what's happening to Japan's display industry right now.
How Japan Ruled the LCD World-and Then Lost It
Japan used to completely own the LCD game. Sharp basically pioneered practical LCD technology, and their Sakai factory, which opened in 2009, was the first tenth-generation plant anywhere. For a while, it supplied the best panels for high-end TVs around the globe. Back in the early 2010s, Japanese companies like Sharp, JDI, and Panasonic together held more than 40% of the worldwide LCD market.
But things started changing around 2015. Chinese companies like BOE and TCL Huaxing began building enormous factories, backed by heavy government support and able to produce panels much cheaper. On top of that, OLED screens started gaining traction because they look better and use less power in many cases. Fast-forward to today, in 2025, China controls over 75% of global LCD production capacity, while Japan's share has shrunk to under 3%. It's a pretty dramatic fall.
( Chart showing the decline in Japan's LCD market share, illustrating the shift from peak dominance to marginal player)
What Happened to Sharp's Sakai Factory
Sharp shut down large-panel production at Sakai by the end of 2024-it was the very last place in Japan still making TV-sized LCDs. Then, in 2025, SoftBank stepped in and bought a big chunk of the land and buildings for around 100 billion yen (roughly $676 million). Their plan? Turn it into a giant AI data center.
The site is huge-about 440,000 square meters of land, with 750,000 square meters of building space. They're starting with 150 megawatts of power and plan to scale up to over 400 megawatts eventually. SoftBank wants to have it running by late 2025 or early 2026. The cool part is they can reuse a lot of what's already there: the power infrastructure, cooling systems, and those super-clean rooms that were built for panel manufacturing work really well for housing sensitive servers and GPUs from companies like NVIDIA. There are even rumors this could tie in with OpenAI for building Japan-specific AI models.
Other Companies Are Doing the Same Thing
Sharp isn't the only one. JDI has closed several LCD lines too, including parts of their Mobara plant, and some of that land might end up as data center space as well. These old panel factories have some real advantages for this kind of switch: they usually have their own power substations, plenty of electricity available, great locations near major cities like Osaka or Tokyo, and those cleanrooms are perfect for computer equipment that doesn't like dust.
This whole trend makes sense when you look at how crazy the demand for AI computing power has gotten worldwide. Japan's government is pushing hard on becoming a "digital nation," and repurposing these old industrial sites is a smart way to jump into the AI infrastructure boom without starting from scratch.
Why Make This Switch Now?
From a business standpoint, it's pretty straightforward. Making large LCD panels has been losing money for years because of cutthroat pricing from China. AI data centers, on the other hand, are in huge demand and can bring in solid profits. Globally, everyone is scrambling for more computing power to train and run big AI models, so this is a hot market.
On a bigger scale, Japan is dealing with an aging population and fewer workers, so leaning into AI is seen as a way to keep the economy growing. The government is putting money into AI chips and related infrastructure, hoping to get back some of the tech leadership they had in the past.
It's also just part of a worldwide shift. With AI "factories" becoming the new thing-basically places that churn out computing instead of physical products-Japan has ready-made buildings that can get up and running fast.
Wrapping It Up: End of One Era, Start of Another
The changes at the Sakai factory aren't just about closing the book on LCDs; they're really the opening page of something new for Japan's tech sector. Moving from making screens to powering artificial intelligence shows how adaptable the industry can be. Sure, Japan isn't the king of displays anymore, but with all the engineering know-how and these prime facilities, there's a good chance they can make a strong comeback in the AI world.
What do you think about all this? Can old-school manufacturing like this successfully pivot to something as different as AI? I'd love to hear your thoughts in the comments!
(References: SoftBank announcements, Nikkei Asia reports, Data Center Dynamics coverage, and other industry sources from 2025)
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