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.

Date of Patent:
Jan. 22, 2013

Filed:

May. 06, 2009
Applicants:

Hoi Sing Kwok, Hong Kong, CN;

Yuet Wing LI, Hong Kong, CN;

Chung Yung Lee, Hong Kong, CN;

Inventors:

Hoi Sing Kwok, Hong Kong, CN;

Yuet Wing Li, Hong Kong, CN;

Chung Yung Lee, Hong Kong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
Abstract

We disclose a new method of preparing liquid crystal alignment layers that can produce controllable pretilt angles from near 0 to near 90°. It is based on the stacking of two alignment materials sequentially, with the first one being continuous and the second one being discontinuous leaving part of the first layer exposed.


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