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Proceedings Paper

Electrochromic Devices For Transmissive And Reflective Light Control
Author(s): Tadatoshi Kamimori; Junichi Nagai; Mamoru Mizuhashi
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Paper Abstract

Fundamental properties of the transmissive electrochromic device are described. The device comprises of a semi-solid electrolyte and a WO3 film sandwiched by a pair of transparent electroconductive sheet glasses. The transmittance of the device can be arbitrarily controlled within the range from 80% to 10%. The response time was found to be greatly depended on the size. The life time for the repetitive operations is more than 105 cycles. Fairly good durability against the outdoor conditions has been clarified. This device is capable of controlling reflectance of mirror when a reflective layer is coated on the either surface of outer glass. Outline of this reflective device is also described. The reflectance of the mirror of the size of 25cm x 6.5cm can be changed from 72% to 20% within 4sec at 1.5VDC. This device is suitable for anti-dazzling mirror of motor cars.

Paper Details

Date Published: 24 September 1986
PDF: 8 pages
Proc. SPIE 0653, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion V, (24 September 1986); doi: 10.1117/12.938301
Show Author Affiliations
Tadatoshi Kamimori, Asahi Glass (Japan)
Junichi Nagai, Asahi Glass (Japan)
Mamoru Mizuhashi, Asahi Glass (Japan)

Published in SPIE Proceedings Vol. 0653:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion V
Claes-Goeran Granqvist; Carl M. Lampert; John J. Mason; Volker Wittwer, Editor(s)

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