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.:
Date of Patent:
Feb. 18, 2014
Filed:
Sep. 02, 2010
Philip Bos, Hudson, OH (US);
Vassili V. Sergan, Carmichael, CA (US);
Tatiana A. Sergan, Carmichael, CA (US);
Philip Bos, Hudson, OH (US);
Vassili V. Sergan, Carmichael, CA (US);
Tatiana A. Sergan, Carmichael, CA (US);
California State University, Sacramento, Sacramento, CA (US);
Kent State University, Kent, OH (US);
Abstract
Liquid crystal cells and lenses having a variable resulting pre-tilt across two or more areas of the cell, and in particular, cells and lenses are provided wherein a resulting pre-tilt is varied across the cell according to any desired birefringence profile that can be utilized in liquid crystalline optical elements and liquid crystal displays. Methods of fabrication of the liquid crystal cells with variable resulting pre-tilt are disclosed.