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:
May. 27, 2003
Filed:
Jul. 30, 2002
Applicant:
Inventors:
Hwan Jae Choi, Daejun-shi, KR;
Jong Lae Kim, Seoul, KR;
Eun Kyung Lee, Seoul, KR;
Joo Young Kim, Daejun-shi, KR;
Assignee:
Samsung Electronics Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
C08F / ;
Abstract
A photo-alignment material useful in liquid crystal alignment films comprises a maleimide-based repeating unit and at least one additional repeating unit, or a maleimide-based repeating unit and at least two additional repeating units. The photo-alignment materials have freely-controllable pretilt angles, and they provide a display quality equivalent or superior to alignment materials made using the conventional rubbing process.