Ferroelectric liquid crystal cell, a method of making it, and its use

US5434685A · kind A · utility

Assignee

• Kent State University · US

Inventors

• Janez Pirs · Ljubljana, SI
• Robert Blinc · Ljubljana, SI
• Slobodan Zumer · Kent, US
• Igor Musevic · Ljubljana, SI
• Bojan Marin · Ljubljana, SI
• Silva Pirs · Ljubljana, SI
• Joseph W. Doane · Kent, US

Key dates

• Filing date: Dec 22, 1993
• Grant date: Jul 18, 1995
• Expiry date: Dec 22, 2013

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F1/13775
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An oriented ferroelectric liquid crystal in the chiral smectic C phase with the smectic planes normal to bounding plates of a cell is interspersed with polymer which stabilizes and freezes the arrangement of the liquid crystal.