Patent · US Expired

Electro-optical system containing a compensating film

US5308535A · kind A · utility

27Cited by

6References

27Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Bernhard Scheuble · Alsbach, DE
Bernhard Rieger · Langenau, DE
Dieter Dorsch · Ober-Ramstadt, DE

Key dates

Filing date	Aug 27, 1990
Grant date	May 3, 1994
Priority date	—
Expiry date	Aug 27, 2010

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/1397
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to electro-optical systems containing an addressable liquid-crystal layer and a device for compensating for the optical path difference d.multidot..DELTA.n of the addressable liquid-crystal layers, the compensating device being based on a liquid-crystalline polymer.

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