Glasses-free 3D has been attempted more than once, and it hasn’t gone well. But Samsung might finally have a solution to the problem that held it back, and the Galaxy S28 could be where it shows up first.
The company has been quietly working on a new approach to displays. In collaboration with POSTECH, Samsung’s Visual Technology Team recently published research in Nature describing something called a “metasurface lenticular lens”. It’s essentially a much thinner, more precise way of controlling how light reaches your eyes.
The idea itself is pretty straightforward. Instead of relying on the thick lenticular layers used in older 3D displays, this setup uses nanoscale structures to direct light more accurately. That allows the screen to switch between normal 2D and glasses-free 3D with a simple voltage change. No extra hardware, no compromise to regular viewing.
One of the biggest issues with older glasses-free 3D tech was how picky it was. You had to be in exactly the right position or the effect would break. Samsung claims its version solves that, with a viewing angle of up to 100 degrees. In theory, that means you can move around a bit or even share the screen without everything falling apart.
The layer itself is also surprisingly thin, about 1.2mm. It can sit inside existing OLED stacks without forcing major design changes. Samsung has already tested the concept on a small OLED panel using a 50×50mm prototype, so this isn’t just a lab idea anymore.
As for where this might show up, the Galaxy S28 Ultra seems like the obvious candidate. That said, it could make even more sense on book-style foldables, where the larger display could actually take advantage of the added depth in games or video.
Samsung’s own statement hints at broader plans too, mentioning possible use across phones, tablets, and other devices. So this looks more like a long-term direction rather than a one-off experiment.
If it all comes together, glasses-free 3D might finally move past the “cool but useless” phase, and actually become something people want to use.
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