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:
Dec. 28, 1999
Filed:
Feb. 28, 1997
Applicant:
Inventors:
Isamu Michihata, Hino, JP;
Koichi Nagayasu, Hino, JP;
Toru Kobayashi, Hino, JP;
Masaji Nara, Hino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359483 ; 359599 ; 359601 ;
Abstract
A protective film for use with a polarizing plate has a support carrying a glare-proof layer. The glare-proof layer is a resin with coarse particles having an average particle size of 0.25 to 10 .mu.m, and fine particles having an average particle size of 0.1 .mu.m or less and a refractive index of 1.40 to 1.60, embedded in it.