Standard red green blue (sRGB) color representation with a tailored dual-resonance mode in metal/dielectric stacks

Lithography-free planar structures have been the subject of many studies on structural coloration in recent years because of mass production and large-area applications. Among them, the metal-insulator-metal (MIM) structure follows a subtractive color system. However, the limited gamut of this syste...

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Published inOptical materials express Vol. 9; no. 8; p. 3342
Main Authors Kim, Do Hyeon, Yoo, Young Jin, Ko, Joo Hwan, Kim, Yeong Jae, Song, Young Min
Format Journal Article
LanguageEnglish
Published Washington Optical Society of America 01.08.2019
Subjects
Color
Insulators
Mass production
Planar structures
Product design
Reflectance
Representations
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Summary:Lithography-free planar structures have been the subject of many studies on structural coloration in recent years because of mass production and large-area applications. Among them, the metal-insulator-metal (MIM) structure follows a subtractive color system. However, the limited gamut of this system hinders a wider application of reflective color filters. We demonstrate a planar metal-insulator-metal-insulator-metal (MIMIM) structure for a tunable dual-resonance mode, by combining each single-resonance mode in MIM structures. By controlling the resonance dips, we obtain standard red/green/blue (sRGB) in the standard color space for modern optical devices. The reflectance spectra, color representation, and fabricated samples verify the dual-resonance tunability and generation of sRGB colors.
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ISSN:2159-3930
2159-3930
DOI:10.1364/OME.9.003342