Liquid-crystalline medium

US11306251B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Dagmar Klass · Darmstadt, DE
• Carsten Fritzsch · Darmstadt, DE
• Dmitry USHAKOV · Kohlenbissen, DE
• Beate Schneider · Seeheim-Jugenheim, DE

Key dates

• Filing date: May 16, 2019
• Grant date: Apr 19, 2022
• Expiry date: Nov 26, 2039

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01Q3/44
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Liquid-crystalline media having one or more compounds of formula C and high-frequency components containing these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas (e.g. phased array antennas).