×

Thin electrochromic display

  • US 4,128,316 A
  • Filed: 06/15/1977
  • Issued: 12/05/1978
  • Est. Priority Date: 06/15/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. An electrochromic display device having a single substrate member, said device comprising:

  • a transparent substrate having transparent electrodes with electrochromic material thereon,a fibrous spacer member impregnated in its central portion with an electrolyte disposed in contact with the electrochromic material on said electrodes, and impregnated in its peripheral portions surrounding the central portion with an adherent sealing resin, anda sheet of conductive metal foil having a central portion with an active surface disposed in contact with said electrolyte to facilitate cationic transport, and having its peripheral portion surrounding the central portion sealed and bonded to said substrate by means of said adherent resin.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×