Innovative OLED technology is twice as large as normal

Guillaume Chansin / X/Twitter

There is some buzz in the display technology world right now about Tandem OLED. In case you missed Apple’s new announcement iPad Pro, you may not have heard of Tandem OLED, but it’s already making its way into other devices. TCL showed off a sliding tandem OLED display that can fit into a laptop at Display Week 2024 and claims a brightness of over 2,500 nits.

If you’ve seen our reviews of monitors like the LG UltraGear OLED 27, you’ll know that this is an incredible level of brightness. And all of these are powered by OLED technology. Tandem OLED is so simple it almost doesn’t look real. To increase the historically low brightness of an OLED panel, stack two OLED panels on top of each other to combine their brightness. Simple.

It’s easy to understand, but tandem OLED is a curiosity that display makers like Samsung have been trying to figure out for a few years. With the iPad Pro now sporting the technology, display makers like TCL are introducing their own versions of Tandem OLED.

TCL CSOT "Slideable" 14-inch 4K tandem OLED.#DisplayWeek2024

— Guillaume Chansin (@GChansin) May 14, 2024

You can see the screen in action above. It is slideable and extends from a 12.6-inch case to 14 inches. TCL showed this in a very portable laptop that cuts the trackpad to a slimmer form factor. It’s just a prototype display screen, but it’s not hard to imagine that laptop brands will follow TCL’s lead if they decide to implement this design. According to TCL, this display will reduce the overall size of the laptop by about 35%.

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The screen is also not dull. As mentioned, TCL claims it can reach 2,500 nits of peak brightness, but it has a 3,840 x 2,400 resolution and comes with a 120Hz refresh rate. Even more impressively, TCL claims that its display reduces power consumption by 30% and extends lifespan by more than 3.5 times compared to conventional OLED displays. This is good news for those worried about OLED burn-in.

Display Week is, unsurprisingly, a time for display makers to show off their latest technology, so it may be a while before we see TCL’s display on an actual device. Still, it’s definitely a fantastic step forward for OLED, as it’s blazing bright and with impressive results.

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