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Reflective‐Type Transparent/Colored Mirror Switchable Device Using Reversible Electrodeposition with Fabry–Perot Interferometer
Author(s) -
Sung Chihun,
Han Jisu,
Song Juhee,
Ah Chil Seong,
Cho Seong M.,
Kim TaeYoub
Publication year - 2020
Publication title -
advanced materials technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.184
H-Index - 42
ISSN - 2365-709X
DOI - 10.1002/admt.202000367
Subject(s) - materials science , rgb color model , optics , optoelectronics , fabry–pérot interferometer , indium tin oxide , color gel , colored , dichroic filter , interferometry , interference (communication) , wavelength , thin film , computer science , layer (electronics) , nanotechnology , thin film transistor , channel (broadcasting) , physics , composite material , operating system , computer network
Reversible electrodeposition (RED) devices have been considered as the optical transmittance or reflectance switchable display for the reflective display applications. In this study, transparent/colored mirror switchable RED device is demonstrated by integrating the Fabry–Perot (FP) interferometer. Indium‐tin‐oxide (ITO)‐based FP interference effect is utilized for color filter to emit particular wavelength. Color‐switchable RED cells are researched using ITO (red, green, and blue (RGB)) films and tungsten (W) films as partially reflective layers for the cavities. The red/green/blue colored mirrors are developed according to ITO thickness as the Ag film deposit. Then, the ITO (RGB) pixelated RED devices are investigated by differential deposition process. In the 25 × 25 µm 2 sized ITO (RGB) micro‐subpixels mirror, the high transparent and high reflectivity states are successfully achieved, which can be applied to reflective‐type transparent displays.