center_img More information: Kazuhiro Kobayashi et al. Microfluidic-based flexible reflective multicolor display, Microsystems & Nanoengineering (2018). DOI: 10.1038/s41378-018-0018-1Power-free poly(dimethylsiloxane) microfluidic devices for gold nanoparticle-based DNA analysis dx.doi.org/10.1039%2Fb403930k, Hosokawa et al, 2004, Royal Society of Chemistry, Lab on a Chip.Two-dimensional flexible nanoelectronics, www.nature.com/articles/ncomms6678, Akinwande et al, Review, December 2014, Nature Communications.All-organic active matrix flexible display aip.scitation.org/doi/abs/10.1 … 8213?journalCode=apl Zhou L et al, 2006 Appl. Phys. Lett. Organic thin-film transistor-driven polymer-dispersed liquid crystal displays on flexible polymer substrates aip.scitation.org/doi/10.1063/1.1448659, Sheraw et al, 2002, Appl. Phys. Lett. PDMS-based micro PCR chip with Parylene coating iopscience.iop.org/article/10. … 60-1317/13/5/332/pdf, Shin et al, 2003, J. Micromech. Microeng. Electronic paper: flexible active-matrix electronic ink display www.nature.com/articles/423136a Chen, et al, Brief Communication, May 2003, Nature. Citation: Flexible color displays with microfluidics (2018, August 16) retrieved 18 August 2019 from https://phys.org/news/2018-08-flexible-microfluidics.html Experimental results validated that the system could display multicolored reflective images and retain them without energy consumption as theorized. The images were durable while maintaining their position after pliable twisting, to indicate flexibility and recovery of the original multicolored framework. The scientists predict that such flexible and energy-less display systems may find innovative applications on robot skins, clothes and accessories in daily life in the future. In the study, a range of images were created in this way in zig-zag microchannels as proof of principle to test the proposed concept of flexible multicolor reflective displays. Color retention was enabled by stopping the suction system, during which the orientation of the display remained intact without energy supply. , Lab on a Chip The proof-of-principle of a three-color dot matrix a) multicolored stripe patterns (vertically and horizontally aligned) displayed on microchannels, b-c) the bitmap characters ‘A’ and ‘T’ visualized on the microfluidic-based reflective display, d-g) testing the flexibility of the display to indicate maintenance of the original framework for multicolored display retention. Credit: Microsystems and Nanoengineering, doi: 10.1038/s41378-018-0018-1 The fabricated device for color display a) Meandering microchannels with a 7×13 pixels (25 dpi) display. Inlet and outlet ports were connected to the liquid selector and suction system, b) microscopic images of the tear-drop shaped pixels that constitute the microchannels, the white dots on each pixel were caused by visible light illuminated on the device surface, c) cross-sectional view of the microchannel, a thin parylene film was deposited within the microchannel to prevent air leakage. Credit: Microsystems and Nanoengineering, doi: 10.1038/s41378-018-0018-1 Observing the relationship between the droplet position and the timing of negative pressure applied to control the position of droplets at the level of the single-pixel. Credit: Microsystems and Nanoengineering, doi: 10.1038/s41378-018-0018-1 Explore furtherlast_img