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Glasses-free 3D has been tried many times before, and these attempts have failed. But Samsung seems to have finally found a solution to the problem that has been holding this technology back – and the Galaxy S28 could be the first device to feature it. The company has been quietly working on a new approach to displays. In collaboration with POSTECH, Samsung’s Visual Technology Team recently published a study in the journal Nature describing a so-called “metasurface lenticular lens”. Essentially, this is a much thinner and more precise way to control how light reaches the eye.
The idea is quite simple. Instead of the thick lenticular layers used in older 3D displays, this system uses nanostructures to direct light more precisely. As a result, the screen can switch between conventional 2D and glasses-free 3D by simply changing the voltage. No additional equipment, no compromises for normal viewing.
One of the main problems with older glasses-free 3D technologies was their capriciousness. You had to be in a clearly defined position, otherwise the effect was destroyed. Samsung claims that its version solves this problem: the viewing angle reaches up to 100 degrees. Theoretically, this means that you can move around a bit or even share the screen with others and nothing will fall apart. The layer itself is also surprisingly thin – about 1.2 mm. It can fit into existing OLED stacks without significant design changes. Samsung has already tested the concept on a small OLED panel with a 50×50 mm prototype, so this is no longer just a laboratory idea.
As for where it might appear, the Galaxy S28 Ultra looks like an obvious candidate. However, the technology could be even more appropriate in bookend folding devices, where a larger display could really take advantage of the depth of the image in games or videos. Samsung’s own statement also hints at broader plans, mentioning possible applications on phones, tablets, and other devices. So it looks like a long-term direction rather than a one-time experiment.
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