Patent · US Expired

Electrochromic display device

US6744549B2 · kind B2 · utility

8Cited by
37References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 2002
Grant dateJun 1, 2004
Priority date
Expiry dateAug 28, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2001/1557
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The invention is a display device comprising a solid top transparent, charge conducting material, positioned below the transparent solid material is an active layer comprising an electrochromic material and an electrolyte, and positioned below the active layer is a working electrode and a counter-electrode arranged to be isolated from one another, wherein the distance between the working and the counter electrode is greater than two times the thickness of the active layer between the electrode and the conductive material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.