Flat-screen TVs that incorporate quantum dots are now commercially available, but it has been more difficult to create arrays of their elongated cousins, quantum rods, for commercial devices. Quantum rods can control both the polarization and color of light to generate 3D images for virtual reality devices. Using scaffolds made of folded DNA, engineers at the Massachusetts Institute of Technology have developed a precise way to assemble arrays of quantum rods. By depositing quantum rods onto a DNA scaffold in a highly controlled way, the researchers can regulate the rods' orientation, a key factor in determining the polarization of light emitted by the array, thus making it easier to add depth and dimensionality to a virtual scene.

https://www.miragenews.com/quantum-rod-arrays-may-boost-tv-and-vr-device-1094023/

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