Patent · US Active

Method of forming an electrophoretic display having a color filter array

US11520179B2 · kind B2 · utility

0Cited by

275References

2Claims

0Family size

Assignee

E Ink Holdings Inc. · TW

Inventors

Gregg M. Duthaler · Brookline, US
Karl R. Amundson · Cambridge, US
Barrett Comiskey · Cambridge, US
Alberto Goenaga · Lompoc, US
John E. Ritter · Westford, US
Michael L. Steiner · New Richmond, US
Robert W. Zehner · Cambridge, US

Key dates

Filing date	Feb 19, 2020
Grant date	Dec 6, 2022
Priority date	—
Expiry date	Dec 27, 2040

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.