Patent · US Active

Device for regulating the passage of energy

US10114264B2 · kind B2 · utility

1Cited by

5References

31Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

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

Key dates

Filing date	Feb 7, 2014
Grant date	Oct 30, 2018
Priority date	—
Expiry date	Feb 17, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG02F2203/48
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present application relates to a device for regulating the passage of light through a light-transmitting area which comprises a switching layer comprising a liquid-crystalline medium comprising at least one dichroic dye, where the parameters degree of light transmission and degree of anisotropy of the device are selected in a certain manner.

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