journal article·2021-07-23

Electrically Switchable and Flexible Color Displays Based on All-Dielectric Nanogratings

Yu Lin, Gaige Zheng, Qian Xin, Quan Yuan, Yongmin Zhao, Shuming Wang, Zhen-Lin Wang, Shi-Ning Zhu, Chunping Jiang, Aimin Song

ACS Applied Nano Materials· Volume 4· Issue 7
Publisher page

Abstract

Research on advanced nanostructures and smart materials that allow for dynamic color display for portable and wearable devices has developed rapidly in recent years. Here, we demonstrate an electrically switchable and flexible color display technique by incorporating an electrochromic material with all-dielectric nanogratings. Based on the strong guided-mode resonance effect, a reflective, flexible, full-color display with high color purity and gamut value is achieved. By dynamically steering the optical properties of the electrochromic material with an external voltage, high switching contrast (∼73% for blue and ∼93% for red) and low power consumption (∼3.28 mW/cm2) are demonstrated. Furthermore, based on the industrial patterned printing processes, full-color video animations are realized. Our technique may find wide applications in full-color displays, colorimetric sensing, information encryption, and anticounterfeit strategies.
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Research context

OpenAlex topics: Photonic Crystals and Applications · Optical Coatings and Gratings · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Science, Suzhou 215123, China

School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China

National Laboratory of Solid State Microstructures, School of Physics, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

Shandong Technology Center of Nanodevices and Integrations and School of Microelectronics, Shandong University, Jinan 250101, China

Shenzhen Institute of Shandong University, Shenzhen 518057, China

Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing 210093, China

Funding

Jiangsu Provincial Key Research and Development Program · Ministry of Science and Technology of the People's Republic of China · Science and Technology Foundation of Shenzhen City · Shandong University · Natural Science Foundation of Shandong Province · Key Research and Development Program of Shandong Province

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