Particles for electrophoretic displays

US9182615B2 · kind B2 · utility

Assignees

• Merck Patent GmbH · DE
• The University of Bristol · GB

Inventors

• Nils Greinert · Seeheim-Jugenheim, DE
• Marc Uerdingen · Lohmar, DE
• Ludger Beylage · Reinheim, DE
• Nikolai (Mykola) Ignatyev · Duisburg, DE
• Jonathan Henry Wilson · Southampton, GB
• Mark John Goulding · Woodside, GB
• Roger Kemp · Winchester, GB
• Ashley Nathan Smith · Southampton, GB
• Paul Bartlett · Tucson, US
• Peter Barthen · Rheinberg, DE
• Walter Frank · Holland, US
• Rodrigo Sanchez Garcia · Suchiapa, MX

Key dates

• Filing date: Nov 25, 2011
• Grant date: Nov 10, 2015
• Expiry date: Nov 25, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

This invention relates to polymer particles with surface functionality for charge retention, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, electrophoretic displays comprising such particle, and new polymerisable dyes.