Patent · US Active

Surfactants for improving electrophoretic media performance

US10061123B2 · kind B2 · utility

0Cited by

34References

14Claims

0Family size

Assignee

E Ink California, LLC · US

Inventors

Lin Shao · Wukehudong, CN
Haiyan Gu · Fremont, US
Ming Wang · Fremont, US
Vladimir SOFIYEV · Oakland, US

Key dates

Filing date	Jan 11, 2017
Grant date	Aug 28, 2018
Priority date	—
Expiry date	Jan 11, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG02F2001/1678
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Methods for improving the performance of electrophoretic media with the addition of acetylene surfactants comprising hydroxyl groups. In particular, the described acetylene surfactants reduce ghosting while improving the contrast ratio in electrophoretic displays.

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