Device for regulating the passage of energy

US10108058B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Michael Junge · Munich, DE
• Andreas Beyer · Hanau, DE
• Ursula Patwal · Reinheim, DE

Key dates

• Filing date: Apr 9, 2014
• Grant date: Oct 23, 2018
• Expiry date: Apr 9, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F2203/48
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The present application relates to a device for regulating the passage of energy which is characterised in that it comprises at least two switching layers S(1) and S(2) arranged one behind the other, where the switching layers comprise a liquid-crystalline medium comprising at least one dichroic compound.