Smart goggles based on all-plastic electrochromic devices

Chao Ma; Chunye Xu

doi:10.1117/12.844576

20 October 2009 Smart goggles based on all-plastic electrochromic devices

Chao Ma, Chunye Xu

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74931C (2009) https://doi.org/10.1117/12.844576
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

A novel smart goggle with tunable light transmittance was designed, fabricated and characterized in this research. The developed smart goggle lens was all-plastic based electrochromic (EC) device. The working EC material was a layer of thin film conducting polymer: poly (3,4-(2,2-dimethylpropylenedioxy)thiophene) (PProDOT-Me₂), while the counter material of the device was a layer of thin film inorganic oxide: vanadium oxide-titanium oxide (V₂O₅-TiO₂) composite, which serves as an ion storage layer. A transparent electrolyte as the ion transport layer was sandwiched between the working and counter parts of the device. The whole device was sealed with an UV cured flexible film sealant. The smart goggle exhibited tunable light transmittance in visible light wavelength (380-800nm), with a maximum contrast ratio at 580nm. Meanwhile, other unique properties include fast switching speed, low driving voltage, memory function (no power needed after switching, bi-stable), great durability, high flexibility, light weight, and inexpensiveness.

Citation Download Citation

Chao Ma and Chunye Xu "Smart goggles based on all-plastic electrochromic devices", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74931C (20 October 2009); https://doi.org/10.1117/12.844576

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