Patent · US Active

Device for the regulation of light transmission

US11762241B2 · kind B2 · utility

0Cited by

0References

22Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Michael Junge · Munich, DE
Rainer Neeff · Wiesbaden, DE

Key dates

Filing date	Dec 15, 2020
Grant date	Sep 19, 2023
Priority date	—
Expiry date	May 17, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG02F2202/043
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Devices for the regulation of light transmission and in particular switchable windows, including window elements containing a switchable optical cell having a homeotropically aligned liquid crystal layer with a pretilt angle in the range of 77° to 88°.

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