Patent · US Active

Photoaligning materials

US9493394B2 · kind B2 · utility

0Cited by

4References

26Claims

0Family size

Assignee

ROLIC AG · CH

Inventors

Sabrina Chappellet · Village-Neuf, FR
Jean-Francois Eckert · Kientzville, FR
Mohammed Ibn-Elhaj · Allschwil, CH
Frederic Lincker · Schiltigheim, FR
Satish Palika · Zofingen, CH
Hubert Seiberle · Lörrach, DE
Qian Tang · Sunnyvale, US
Eva Veenstra · Lörrach, DE

Key dates

Filing date	Sep 28, 2012
Grant date	Nov 15, 2016
Priority date	—
Expiry date	Sep 28, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/133715
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, comprising a main chain and a side chain, wherein the side chain and/or main chain comprises a polar group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs).

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