Patent · US Expired

Writing/erasing technique for an electrochromic display cell

US4205903A · kind A · utility

21Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 1979
Grant dateJun 3, 1980
Priority date
Expiry dateFeb 27, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/163
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

For an electro-optical display having an electrochromic material provided with a redox pair and sandwiched between a pair of electrodes, a first potential more negative than the threshold potential is applied and a second potential more positive than the first potential but more negative than the threshold potential is thereafter applied in a write mode.

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