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:
Jun. 17, 2003
Filed:
Jun. 27, 2000
Applicant:
Inventor:
Young-Jae Jeon, Seoul, KR;
Assignee:
D.D. Tech, Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/938 ; C09K 1/942 ; C09K 1/960 ;
U.S. Cl.
CPC ...
C09K 1/938 ; C09K 1/942 ; C09K 1/960 ;
Abstract
A polymer assemble liquid crystal includes equal to or less than 40 wt % of a liquid crystal mixture of ferroelectric and antiferroelectric liquid crystals and equal to or more than 60 wt % of a polymer. The polymer is obtained by polymerizing urethane acrylate oligomer and (meth)acrylate. A ratio of the ferroelectric liquid crystal to the antiferroelectric liquid crystal in the liquid crystal mixture is about 3:1.