Multi-cell electrochromic devices

A multi-cell electrochromic device, comprising:

• a first electrochromic device sub-assembly comprising:
• a first substantially transparent substrate having an electrically conductive material associated therewith;
• a second substrate having an electrically conductive material associated therewith;
• and
• an electrochromic medium contained within a chamber positioned between the first and second substrates, wherein the electrochromic medium comprises:
• at least one solvent;
• at least one anodic electroactive material;
• at least one cathodic electroactive material;
• and
• wherein at least one of the anodic and cathodic electroactive materials is electrochromic;
• a second electrochromic device sub-assembly comprising:
• a first substantially transparent substrate having an electrically conductive material associated therewith;
• a second substrate having an electrically conductive material associated therewith;
• and
• an electrochromic medium contained within a chamber positioned between the first and second substrates, wherein the electrochromic medium comprises:
• at least one solvent;
• at least one anodic electroactive material;
• at least one cathodic electroactive material;
• and
• wherein at least one of the anodic and cathodic electroactive materials is electrochromic;
• and
• wherein the first and second electrochromic device sub-assemblies are in optical alignment, and wherein the multi-cell electrochromic device exhibits a transmittance of less than approximately 1.0% in a low transmission state, and further wherein the multi-cell electrochromic device transitions upon clearing from a lowest transmission state to approximately 1% transmission in a shorter period of time than a single-cell electrochromic device having essentially the same optical properties.

An aircraft transparency, comprising:

• a first aircraft transparency sub-assembly comprising:
• a first substantially transparent substrate having an electrically conductive material associated therewith;
• a second substrate having an electrically conductive material associated therewith;
• and
• an electrochromic medium contained within a chamber positioned between the first and second substrates, wherein the electrochromic medium comprises:
• at least one solvent;
• at least one anodic electroactive material;
• at least one cathodic electroactive material;
• and
• wherein at least one of the anodic and cathodic electroactive materials is electrochromic;
• a second aircraft transparency sub-assembly comprising:
• a first substantially transparent substrate having an electrically conductive material associated therewith;
• a second substrate having an electrically conductive material associated therewith;
• and
• an electrochromic medium contained within a chamber positioned between the first and second substrates, wherein the electrochromic medium comprises:
• at least one solvent;
• at least one anodic electroactive material;
• at least one cathodic electroactive material;
• and
• wherein at least one of the anodic and cathodic electroactive materials is electrochromic;
• and
• wherein the first and second aircraft transparency sub-assemblies are in optical alignment, and wherein the aircraft transparency exhibits a transmittance of less than approximately 1.0% in a low transmission state.