ultrathin display technology tagged posts

Ultrathin display technology shows dozens of images hidden in a single screen

Ultra-thin display technology shows dozens of images hidden in a single screen
Schematic of a spin- and wavelength-multiplexed metahologram. This hologram encodes multiple holographic images using a single-cell metasurface, where distinct images appear on the same image plane based on the incident spin states and operating wavelengths. Credit: Advanced Science (2025). DOI: 10.1002/advs.202504634

From smartphones and TVs to credit cards, technologies that manipulate light are deeply embedded in our daily lives, many of which are based on holography. However, conventional holographic technologies have faced limitations, particularly in displaying multiple images on a single screen and in maintaining high-resolution image quality.

Recently, a research team led by Professor Junsuk Rho at POSTECH (Pohang University of Science and Technology) has developed a groun...

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