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:
Mar. 30, 2021
Filed:
Dec. 15, 2016
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Akiyoshi Kimura, Hino, JP;
Yoichi Saito, Hino, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01); G02B 5/26 (2006.01);
U.S. Cl.
CPC ...
G02B 5/281 (2013.01); G02B 5/26 (2013.01); G02B 5/28 (2013.01); G02B 5/282 (2013.01); G02B 5/283 (2013.01);
Abstract
An optical reflection film in which haze is reduced and cracking hardly occurs. An optical reflection film is provided. An optical reflection film includes at least one unit formed by laminating a low refractive index layer and a high refractive index layer on a substrate. The high refractive index layer contains zirconium oxide particles, and the low refractive index layer contains silicon oxide particles and two or more cationic polymers.