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:
Mar. 30, 2021
Filed:
Sep. 25, 2018
Applicant:
Kent State University, Kent, OH (US);
Inventors:
Hiroshi Yokoyama, Hudson, OH (US);
Mengfei Wang, Kirkland, WA (US);
Assignee:
Kent State University, Kent, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); G02B 13/24 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133788 (2013.01); G02B 13/24 (2013.01);
Abstract
A photoalignment method includes photoaligning a first liquid crystal cell and using the photoaligned first liquid crystal cell as a mask in the photoalignment of a second liquid crystal cell. The method may increase spatial dynamic range or decrease pitch.