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:
Nov. 15, 2005
Filed:
Feb. 05, 2002
Applicants:
Narutoshi Hayashi, Niihama, JP;
Hideki Hayashi, Niihama, JP;
Inventors:
Narutoshi Hayashi, Niihama, JP;
Hideki Hayashi, Niihama, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B005/30 ;
U.S. Cl.
CPC ...
Abstract
A polarizing plate which has a polarizing layer having a thickness of about 20 nm to about 1500 nm formed by rubbing at least one surface of a substrate, coating the rubbed surface of the substrate with an aqueous solution containing a dye having a tabular molecular shape, and drying the solution. This polarizing plate is a thinner polarizing plate with a high degree of polarization and suitably applicable to portable electronic equipment such as cellular phones, portable information terminals, smart cards and IC cards.