Electrochromic device
First Claim
1. An electrochromic device comprising two electrically conductive substrates, at least one of which is transparent, and an ion conductive substance layer disposed therebetween and comprising a mixture obtained by dispersing an electrochromic substance represented by formula (1) below into a composition containing a monofunctional acryloyl-modified polyalkylene oxide represented by formula (17) and a polyfunctional acryloyl-modified polyalkylene oxide represented by formula (18) or (19), a polar solvent and a supporting electrolyte;
- formula (1) being represented by wherein X−
and Y−
are the same or different and are each a counter anion selected from the group consisting of a halogen anion, ClO4−
, BF4−
, PF4−
, CH3COO−
and CH3(C6H4)SO3−
and R1 and R2 are the same or different and are each a hydrocarbon group having from 1 to 20 carbon atoms;
formula (17) being represented by wherein R27, R28, and R29 are each selected from the group consisting of hydrogen and an alkyl group having 1 to 5 carbon atoms, R30 is an alkyl group having 1 to 5 carbon atoms, and j is an integer of 2 to 30;
formula (18) being represented by wherein R31, R32, R33, and R34 are each selected from the group consisting of hydrogen and an alkyl group having 1 to 5 carbon atoms, and k is an integer of 2 to 30; and
formula (19) being represented by wherein R35, R36, and R37 are each selected from the group consisting of hydrogen and an alkyl group having 1 to 5 carbon atoms, l is an integer of 2 to 30, m is an integer of 2 to 4 and L is a connecting group having a valence corresponding to m.
1 Assignment
0 Petitions
Accused Products
Abstract
An electrochromic element composed of an ionically conductive substance layer containing a specified electrochromic substance sandwiched between two electrically conductive substrates at least one of which is transparent.
6 Citations
6 Claims
-
1. An electrochromic device comprising two electrically conductive substrates, at least one of which is transparent, and an ion conductive substance layer disposed therebetween and comprising a mixture obtained by dispersing an electrochromic substance represented by formula (1) below into a composition containing a monofunctional acryloyl-modified polyalkylene oxide represented by formula (17) and a polyfunctional acryloyl-modified polyalkylene oxide represented by formula (18) or (19), a polar solvent and a supporting electrolyte;
- formula (1) being represented by
wherein X−
and Y−
are the same or different and are each a counter anion selected from the group consisting of a halogen anion, ClO4−
, BF4−
, PF4−
, CH3COO−
and CH3(C6H4)SO3−
and R1 and R2 are the same or different and are each a hydrocarbon group having from 1 to 20 carbon atoms;
formula (17) being represented bywherein R27, R28, and R29 are each selected from the group consisting of hydrogen and an alkyl group having 1 to 5 carbon atoms, R30 is an alkyl group having 1 to 5 carbon atoms, and j is an integer of 2 to 30; formula (18) being represented by wherein R31, R32, R33, and R34 are each selected from the group consisting of hydrogen and an alkyl group having 1 to 5 carbon atoms, and k is an integer of 2 to 30; and
formula (19) being represented bywherein R35, R36, and R37 are each selected from the group consisting of hydrogen and an alkyl group having 1 to 5 carbon atoms, l is an integer of 2 to 30, m is an integer of 2 to 4 and L is a connecting group having a valence corresponding to m. - View Dependent Claims (2, 3, 4, 5)
N,N′
-diheptylbipyridiniumdichloride,N,N′
-diheptylbipyridiniumdiperchlorate,N,N′
-diheptylbipyridiniumtetrafluoroborate,N,N′
-diheptylbipyridiniumhexafluorophosphate,N,N -dihexylbipyridiniumdibromide, N,N′
-dihexylbipyridiniumdichloride,N,N′
-dihexylbipyridiniumdiperchlorate,N,N′
-dihexylbipyridiniumtetrafluoroborate,N,N′
-dihexylbipyridiniumdihexafluorophosphate,N,N′
-dipropylbipyridiniumdibromide, N,N′
-dipropylbipyridiniumdichloride,N,N′
-dipropylbipyridiniumdiperchlorate,N,N′
-dipropylbipyridiniumtetrafluoroborate,N,N′
-dipropylbipyridiniumdihexafluorophosphate,N,N′
-dibenzylbipyridiniumdibromide,N,N′
-dibenzylbipyridiniumperchlorate,N,N′
-dibenzylbipyridiniumtetrafluoroborate,N,N′
-dibenzylbipyridiniumdihexafluorophosphate,N-heptyl-N′
-benzylbipyridiniumdiperchlorate,N-heptyl-N′
-benzylbipyridiniumditetrafluoroborate,N-heptyl-N′
-benzylbipyridiniumdibromide,N-heptyl-N′
-benzylbipyridiniumdichloride,N-heptyl-N′
-methylpyridiniumdibromide andN-heptyl-N′
-methylpyridiniumdlchloride.
- formula (1) being represented by
-
3. By The electrochromic device according to claim 1 wherein the polar solvent is an organic polar solvent selected from the group consisting of methanol, ethanol, propylene carbonate, ethylene carbonate, dimethylsulfoxide, dimethoxyethane, acetonitrile, γ
- -butyrolactone, γ
-valerolactone, sulforan, dimethylformamide, dimethoxyethane, tetrahydrofuran, propionitrile, glutaronitrile, adiponitrile. methoxyacetonitrile, dimethylacetoamide, methylpyrrolidinone, dimethylsulfoxide, dioxolane, trimethylphosphate, and polyethylene glycol.
- -butyrolactone, γ
-
4. The electrochromic device according to claim 1 wherein the supporting electrolyte is selected from the group consisting of alkali metal salts, alkaline earth metal salts, quaternary ammonium salts and cyclic quaternary ammonium salts.
-
5. The electrochromic device according to claim 1 wherein an amount of the polar solvent contained in the layer is in a range of 100 to 800 weight % based on a total amount of the monofunctional acryloyl-modified polyalkylene oxide and the polyfunctional acryloyl-modified polyalkylene oxide.
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6. An electrochromic device comprising two conductive substrates, at least one of which is transparent, and an ion conductive substance layer disposed therebetween and containing an electrochromic substance represented by the formula (1)
wherein X− - and Y−
are the same or different and are each a counter anion selected from the group consisting of a halogen anion, ClO4−
, BF4−
, PF4−
, CH3COO−
and CH3(C8H4)SO3−
and R1 and R2 are the same or different and are each a hydrocarbon group having from 1 to 20 carbon atoms and wherein the ion conductive substance comprises a mixture obtained by dispersing the electrochromic substance into a composition containing an urethaneacrylate represented by formula (2) below, a polar solvent and a supporting electrolyte;
formula (2) being represented by the formulawherein R6 and R7 are the same or different and are each a group of formula (3), (4) or (5) below, R8 and R9 are the same or different and are each a C1-C20, preferably C2-C12 divalent hydrocarbon residue, Y is selected from a polyether unit, a polyester unit, a polycarbonate unit and mixed units thereof and b is an integer from 1 to 100, preferably 1 to 50 and more preferably 1 to 20; formulae (3), (4) and (5) being represented by the formulae wherein R10, R11 and R12 are the same or different and are each a hydrogen atom or a C1-C3 alkyl group and R13 is a C1-C20, preferably C2-C8 organic residue of divalent through quatervalent.
- and Y−
Specification