This document summarizes research into using sub-wavelength gratings for large-gamut color and spectral displays. It describes how nanostructure gratings can select narrowband primaries from RGB backlights or a single white backlight. An optimization process selects combinations of primaries to maximize color gamut volume. Initial test results show the approach exceeds sRGB gamut and matches colors from a high-end display. While prototype efficiency is low, the technique offers potential for high-quality large gamut displays using existing manufacturing processes.
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Large-gamut color and spectral display using sub-wavelength gratings
1. CIC24, November 7 – 11, 2016, San Diego, California
Large-gamut color
and spectral display
using sub-wavelength gratings
Peter Morovič†, Ján Morovič†,
Francesco Aieta‡, Marco Fiorentino¶,
Charles Santori§, David Fatal‡,
†HP Inc, Spain, ‡LEIA 3D,
¶Hewlett Packard Labs, §Verily