Composition for electrochromic devices and electrochromic display device using the same
First Claim
1. A composition for electrochromic devices, which comprises (A) a quaternary ammonium salt represented by the following formula (1) or a quaternary phosphonium salt represented by the following formula (2), (B) a supporting electrolyte containing bromide ions, and (C) a solvent containing water as an essential component, wherein (A) is soluble in (C), wherein
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Accused Products
Abstract
There is provided a composition for electrochromic devices which clearly present only two states, a white-colored state and a decolored state. The composition for electrochromic devices contains (A) a specific quaternary ammonium salt, (B) a supporting electrolyte containing bromide ion, and (C) a solvent containing water as an essential component, and (A) is soluble in (C).
3 Citations
7 Claims
- 1. A composition for electrochromic devices, which comprises (A) a quaternary ammonium salt represented by the following formula (1) or a quaternary phosphonium salt represented by the following formula (2), (B) a supporting electrolyte containing bromide ions, and (C) a solvent containing water as an essential component, wherein (A) is soluble in (C), wherein
Specification