Rather, it's a reflective display that uses a PNLC (Polymer Networked Liquid Crystal) module for improved brightness, and HR-TFT (high-reflective thin film transistor) technology to add contrast.

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The researchers then spray the crystal's surface with a specially designed polymer dissolved in a hydrocarbon-based solvent.

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Wherever the light hits the material, it hardens into a polymer, creating a grid of cells full of liquid crystal.

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