Tristate electrochromic device

Details Tristate electrochromic device Tristate electrochromic device

2006-07-11

2006-07-11

Ben, Loha (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S265000, C359S274000, C359S275000

Reexamination Certificate

active

07075697

ABSTRACT:
An electrochromic medium for use in a tristate electrochromic device, comprising: (a) at least one solvent; (b) at least one anodic material; (c) at least one cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic; (d) wherein, in a first state, the electrochromic medium exhibits a maximum light transmission; (e) wherein, in a second state, variable attenuation occurs to a significant extent in one of visible radiation or near-infrared radiation without significant attenuation in the other; and (f) wherein, in a third state, variable attenuation occurs to a significant extent in the other spectral region.

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