Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1991-04-17
1994-03-08
Hille, Rolf
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359266, 359271, G02F 101, G02B 523
Patent
active
052935469
ABSTRACT:
An improved working electrode for use in display devices is disclosed. The working electrode comprises a transparent metal grid having a coating of metal oxide thereon. Suitable metal grids include Cu, Au, Ag, Al, Pt, Ni and Zn, while suitable metal oxide coatings include In.sub.2 O.sub.3, SnO.sub.2 and indium tin oxide (ITO). The display devices preferably include an electrochromic material comprising an aqueous solution of an electrochemically depositable metal. Display devices in which the present working electrode is used possess favorable characteristics such as rapid response times, wide dynamic range, high transmittance and improved uniformity. The devices are particularly suitable for large surface area applications.
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Kadoch Christopher A.
Mason James A.
Tadros Maher E.
Chin Gay
Hille Rolf
Martin Marietta Corporation
Saadat Mahshid
Towner Alan G.
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