Patent · US Expired

Photo-oriented polymer network material having desired azimuthal orientation and tilt angle and method for its production

US6300991A · kind A · utility

28Cited by

0References

25Claims

0Family size

Assignee

ROLIC AG · CH

Inventors

Martin Schadt · Seltisberg, CH
Andreas Schuster · Annaberg-Buchholz, DE
Hubert Seiberle · Lörrach, DE

Key dates

Filing date	Feb 22, 2000
Grant date	Oct 9, 2001
Priority date	—
Expiry date	Feb 22, 2020

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/133753
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Orientation layers of monomeric or polymeric liquid crystal layers having any desired azimuthal orientation direction and a tilt angle are produced by irradiating at an angle differing from the normal to the surface photopolymers orienting parallel to linearly polarized light.

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