Patent · US Active

Color display device

US10036931B2 · kind B2 · utility

12Cited by

188References

14Claims

0Family size

Assignee

E Ink California, LLC · US

Inventors

Bryan Hans Chan · San Francisco, US
Craig Lin · Oakland, US
Hui Du · Golden, US
HongMei Zang · Sunnyvale, US

Key dates

Filing date	Oct 28, 2016
Grant date	Jul 31, 2018
Priority date	—
Expiry date	Oct 28, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG02F2203/34
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present invention provides a full color display device in which each pixel can display multiple high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture and each pixel can display at least five different color states.

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