Patent · US Expired

Electro-optic displays

US7561324B2 · kind B2 · utility

232Cited by

131References

19Claims

0Family size

Assignee

E Ink Holdings Inc. · TW

Inventors

Gregg M. Duthaler · Brookline, US
Karl R. Amundson · Cambridge, US
Barrett Comiskey · Cambridge, US
Holly G. Gates · Somerville, US
Alberto Goenaga · Lompoc, US
John E. Ritter · Westford, US
Michael L. Steiner · New Richmond, US
Russell J. Wilcox · Natick, US
Robert W. Zehner · Cambridge, US
Anthony Pullen · Tucson, US

Key dates

Filing date	Sep 2, 2003
Grant date	Jul 14, 2009
Priority date	—
Expiry date	Jul 29, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG02F2202/28
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention provides an electrophoretic medium comprising at least two types of particles having substantially the same electrophoretic mobility but differing colors. The invention also provides article of manufacture comprising a layer of a solid electro-optic medium, a first adhesive layer on one surface of the electro-optic medium, a release sheet covering the first adhesive layer, and a second adhesive layer on an opposed second surface of the electro-optic medium.

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