Patent · US Expired

Electrophoretic display with holding electrodes

US6806995B2 · kind B2 · utility

43Cited by

44References

30Claims

0Family size

Assignee

SiPix Imaging, Inc. · US

Inventors

Jerry Chung · Mountain View, US
David Chen · 流花街道, CN

Key dates

Filing date	Oct 28, 2002
Grant date	Oct 19, 2004
Priority date	—
Expiry date	Oct 28, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG09G2320/066
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An electrophoretic display having at least one holding electrode is disclosed. The display comprises a plurality of electrophoretic cells filled with charged particles dispersed in a dielectric solvent. Each said cell is positioned between a top electrode layer and a bottom electrode layer. The top electrode layer comprises at least one driving electrode positioned over more than one cell. The bottom electrode layer comprises at least one driving electrode positioned under more than one cell. The display further comprises a holding electrode located in the bottom electrode layer. The display may further comprise a colored background located under and visible through the bottom electrode layer.

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