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:
Aug. 03, 2004

Filed:

Sep. 06, 2001
Applicant:
Inventors:

Hyun Ho Shin, Kyonggi-do, KR;

Mi Sook Nam, Kyonggi-do, KR;

Su Hyun Park, Kyonggi-do, KR;

Moonhor Ree, Kyongsangbuk-do, KR;

Seung Woo Lee, Taegu-shi, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1337 ;
U.S. Cl.
CPC ...
G02F 1/1337 ;
Abstract

Polyamideimide photoalignment materials having a photosensitive diamine derivative compound with side branches, and liquid crystal display devices using such a photoalignment material, beneficially as an alignment film. A liquid crystal display device includes a first substrate with such a photoalignment material. The polyamideimide photoalignment materials have a chemical structure as follows:


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