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US 7,567,371 B2Granted
Electrochromic compounds
AssigneeNtera Limited
InventorsDavid Corr, S. N. Rao, Niall Stobie, Mark Kinsella
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Abstract
The invention concerns electrochromic compounds of the general formula I. These compounds may be used in electrochromic devices, especially electrochromic devices comprising nanostructured films.
Claims2
An electrode or an electrochromic device comprising a compound according to formula I:
- wherein R1 is —(CH2 )m —wherein m is zero or an integer from 1 to 10;
- and R2 is R3R4 wherein R3 is —(CH2)p —wherein p is zero or an integer from 2 to 10;
- and R4 is (a) unsubstituted phenyl or naphthyl, or phenyl or naphthyl which is mono-, di- or tri-substituted by C1-4-alkyl, halogen, cyano, phenoxy or benzoyl (b) or branched-chain alkyl or alkenyl, or cycloalkyl, each having up to 10 carbon atoms, and
- X− is a charge-balancing ion;
- with the proviso that R1 cannot be —(CH2 )m wherein m is 2, when R2 is phenyl.
2 more elements
An electrode or an electrochromic device comprising a compound according to formula V
- wherein R1 is —(CH2)m —wherein m is zero or an integer from 1 to 10;
- each R is an ester forming group which may be the same or different, and each X′− is independently halogen.
Dependencies are inferred from the claim text.