Patent · US Expired

Electromagnetophoretic display system and method

US6847347B1 · kind B1 · utility

8Cited by
259References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2000
Grant dateJan 25, 2005
Priority date
Expiry dateOct 13, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/094
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention comprises an electromagnetophoretic ink material for use as electronic and magnetic display elements. In particular, the present invention relates to the preparation and use of microencapsulated aspect elements having both an electrostatic layer and a magnetic layer, and that can be addressed to produce a display aspect by the application of external electric fields and external magnetic fields.

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