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:
Nov. 26, 2024
Filed:
Nov. 15, 2022
Applicant:
Envisics Ltd, Milton Keynes, GB;
Inventor:
Antariksh Saxena, Milton Keynes, GB;
Assignee:
Envisics Ltd, Milton Keynes, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); G02F 1/139 (2006.01); G02F 1/1362 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133784 (2013.01); G02F 1/133723 (2013.01); G02F 1/133746 (2021.01); G02F 1/133761 (2021.01); G02F 1/133788 (2013.01); G02F 1/1393 (2013.01); G02F 1/133726 (2021.01); G02F 1/136277 (2013.01); G02F 2203/12 (2013.01);
Abstract
A method of fabricating an electrically-controlled birefringence cell. The cell has a cell gap no more than 20 micrometers. The cell has an alignment layer arranged to impart a pretilt on liquid crystal in contact with the alignment layer. The method comprises processing the alignment layer to achieve a surface anchoring value between the liquid crystal and alignment layer of less than 1 mJ/m.