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:
Jul. 26, 2022
Filed:
May. 31, 2019
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventors:
Hiroki Ichiba, Tokyo, JP;
Masato Kurokawa, Tokyo, JP;
Koji Murata, Tokyo, JP;
Kengo Ozono, Tokyo, JP;
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/14 (2015.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); C09D 5/24 (2006.01); C09D 7/40 (2018.01); G02B 1/16 (2015.01); G02B 1/18 (2015.01); G02B 5/02 (2006.01); G02B 5/20 (2006.01); F21V 8/00 (2006.01); B32B 23/08 (2006.01); B32B 27/28 (2006.01); B32B 27/30 (2006.01); B32B 23/04 (2006.01); B32B 7/12 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); B32B 27/08 (2013.01); B32B 27/365 (2013.01); C09D 5/24 (2013.01); C09D 7/67 (2018.01); C09D 7/68 (2018.01); G02B 1/16 (2015.01); G02B 1/18 (2015.01); G02B 5/02 (2013.01); G02B 5/20 (2013.01); G02B 6/0035 (2013.01); B32B 2250/24 (2013.01); B32B 2250/40 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2264/0214 (2013.01); B32B 2307/202 (2013.01); B32B 2307/402 (2013.01); B32B 2307/536 (2013.01);
Abstract
An optical film including a first film substrate and a coating layer formed on the first film substrate. The coating layer of this optical film contains a binder resin and fine particles with an average size of 0.5 μm or more and 10.0 μm or less and a standard deviation in size that is less than ½ of the average size.