G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/15 (2006.01) E06B 3/66 (2006.01) E06B 3/67 (2006.01) G02F 1/153 (2006.01)
Patent
CA 2663705
A window includes an electrochromic medium having a color stability .DELTA.E less than 5, measured in its low transmission state after exposure to 700 hours in a weatherometer while cycling, and a color stability .DELTA.E less than 5, measured in its high transmission state after exposure to 700 hours in a weatherometer while cycling, wherein each cycle consists of application of sufficient potential for a sufficient time such that the window reaches its low transmission state for at least 210 hours. A method for making an electrochromic device for use in such a window is also provided.
Ash Kevin L.
Guarr Thomas F.
Poll David L.
Theiste David A.
Tonar William L.
Gentex Corporation
Macrae & Co.
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