Patent · US Active

Piezo electrophoretic display

US11181799B2 · kind B2 · utility

1Cited by

63References

15Claims

0Family size

Assignee

E Ink California, LLC · US

Inventors

Haiyan Gu · Fremont, US
HongMei Zang · Sunnyvale, US
Craig Lin · Oakland, US
Abraham BERHANE · Tracy, US

Key dates

Filing date	May 17, 2019
Grant date	Nov 23, 2021
Priority date	—
Expiry date	Nov 19, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02F2203/68
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Provided herein is an electro-optic display having a layer of electrophoretic material, a first conductive layer, and a piezoelectric material positioned between the layer of electrophoretic material and the first conductive layer, the piezoelectric material overlaps with a portion of the layer of electrophoretic material, and a portion of the first conductive layer overlaps with the rest of the electrophoretic material.

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