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Proceedings Paper

Smart goggles based on all-plastic electrochromic devices
Author(s): Chao Ma; Chunye Xu
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Paper 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.

Paper Details

Date Published: 20 October 2009
PDF: 7 pages
Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74931C (20 October 2009); doi: 10.1117/12.844576
Show Author Affiliations
Chao Ma, Univ. of Washington (United States)
Chunye Xu, Univ. of Washington (United States)
Univ. of Science and Technology of China (China)

Published in SPIE Proceedings Vol. 7493:
Second International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Anand K. Asundi; Wolfgang Ecke, Editor(s)

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