Patent · US Active

Piezo electrophoretic display

US11892740B2 · kind B2 · utility

0Cited by

71References

20Claims

0Family size

Assignee

E Ink Holdings Inc. · TW

Inventors

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

Key dates

Filing date	Oct 20, 2021
Grant date	Feb 6, 2024
Priority date	—
Expiry date	Mar 16, 2042

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.