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:
Apr. 04, 1995
Filed:
Feb. 25, 1992
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229901 ; 428-1 ; 359103 ;
Abstract
A liquid crystal display device which has a pair of transparent electrodes and a composite film having continuous pores of a polymer matrix filled with a liquid crystal material has high contrast and good heat resistance. The polymer matrix is made of