Patent · US Active

Color electrophoretic display

US9146439B2 · kind B2 · utility

80Cited by
28References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 2012
Grant dateSep 29, 2015
Priority date
Expiry dateJan 27, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2001/1678
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

This invention relates to an electrophoretic display fluid comprising non-charged or slightly charged color particles and at least one type of charged pigment particles, all dispersed in a solvent or solvent mixture, and an electrophoretic display device utilizing such a display fluid. The electrophoretic fluid of the present invention provides improved image qualities.

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