Patent · US Active

Photo-alignable object

US11235543B2 · kind B2 · utility

0Cited by

13References

19Claims

0Family size

Assignee

ROLIC AG · CH

Inventors

Qian Tang · Sunnyvale, US
Hubert Seiberle · Lörrach, DE
Jean-Francois Eckert · Kientzville, FR
Martin Roth · Taufkirchen, DE
Thierry BECRET · Blotzheim, FR
Herve VISSIERES · Illfurth, FR

Key dates

Filing date	Mar 18, 2019
Grant date	Feb 1, 2022
Priority date	—
Expiry date	Mar 18, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/29
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A photo-alignable object has a thickness of more than 2 μm. The photo-alignable object can be in the form of a free standing film. Also, the photo-alignable object can have a topographical surface structure. The depth of the topographical surface structure can be larger than 100 nm, and preferably the depth of the topographical surface structure is larger than 1 μm.

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