×

Composition for electrochromic devices and electrochromic display device using the same

  • US 8,462,419 B2
  • Filed: 10/27/2011
  • Issued: 06/11/2013
  • Est. Priority Date: 10/29/2010
  • Status: Active Grant
First Claim
Patent Images

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

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×