The image display based on the artificial structural colors
(A and B) The blue, green and red structure-color inks illuminated by natural sunlight and epi-illumination.
(C) Microscopy images of individual microspheres collected in epi-illumination. Reprinted with permission from Zhao et al. (2020). Copyright 2020, John Wiley & Sons, Inc.
(D) The printed multicolored painting of a landscape with high resolution. Reprinted with permission from Bai et al. (2018). Copyright 2018, John Wiley & Sons, Inc.
(E and F) Schematic illustration and optical images of the printed iridescent pattern by manipulating the illumination and background conditions. Reprinted with permission from Nam et al. (2016). Copyright 2016, Springer Nature.
(G) Optical micrograph and SEM image of a 3D Chinese character “福” with red color.
(H) Micrographs of printed 3D model of the Eiffel Tower with different colors. Reprinted with permission from Liu et al. (2019). Copyright 2019, Springer Nature.