The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8570460 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 29, 2013

Filed:

Dec. 19, 2006
Applicants:

Mingxia Gu, Beachwood, OH (US);

Liubov Kreminska, Kent, OH (US);

Andrii Golovin, Kent, OH (US);

Oleg D. Lavrentovich, Kent, OH (US);

Inventors:

Mingxia Gu, Beachwood, OH (US);

Liubov Kreminska, Kent, OH (US);

Andrii Golovin, Kent, OH (US);

Oleg D. Lavrentovich, Kent, OH (US);

Assignee:

Kent State University, Kent, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid crystalline optical medium includes polymer stabilized liquid crystal material. The polymer stabilized liquid crystal material includes a short pitch cholesteric liquid crystal material stabilized by a polymer material. The effective phase retardation of the polarization independent liquid crystal optical medium can be controlled by external (for example, electric and magnetic) fields.


Find Patent Forward Citations

Gu, Mingxia. (2013). Electronically-controllable polarization independent liquid crystal optical medium and devices using same (U.S. Patent No. 8570460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8570460

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