Ultrahigh resolution and color gamut with scattering-reducing transmissive pixels

June Sang Lee, Ji Yeon Park, Yong Hwan Kim, Seokwoo Jeon, Olivier Ouellette, Edward H. Sargent, Dong Ha Kim, Jerome K. Hyun

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

While plasmonic designs have dominated recent trends in structural color, schemes using localized surface plasmon resonances and surface plasmon polaritons that simultaneously achieve high color vibrancy at ultrahigh resolution have been elusive because of tradeoffs between size and performance. Herein we demonstrate vibrant and size-invariant transmissive type multicolor pixels composed of hybrid TiOx-Ag core-shell nanowires based on reduced scattering at their electric dipolar Mie resonances. This principle permits the hybrid nanoresonator to achieve the widest color gamut (~74% sRGB area coverage), linear color mixing, and the highest reported single color dots-per-inch (58,000~141,000) in transmission mode. Exploiting such features, we further show that an assembly of distinct nanoresonators can constitute a multicolor pixel for use in multispectral imaging, with a size that is ~10-folds below the Nyquist limit using a typical high NA objective lens.

Original languageEnglish
Article number4782
JournalNature Communications
Volume10
Issue number1
DOIs
StatePublished - 1 Dec 2019

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