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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.:

US 10663635 B1

PDFFull Text
Date of Patent:
May. 26, 2020

Filed:

Sep. 10, 2015

Optical film, shaping film, method for manufacturing optical film, and method for manufacturing stretched film

Applicant:

Zeon Corporation, Chiyoda-ku, Tokyo, JP;

Inventors:

Hyota Nakahori, Tokyo, JP;

Shunsuke Yamanaka, Tokyo, JP;

Assignee:

ZEON CORPORATION, Chiyoda-ku, Tokyo, JP;

Attorney:

Kenja IP Law PC

Primary Examiner:

Mustak Choudhury

Int. Cl.
CPC ...
F21V 9/06 (2018.01); G02B 5/20 (2006.01); B29C 48/08 (2019.01); B29C 48/00 (2019.01); B29C 48/21 (2019.01); B32B 27/00 (2006.01); B29C 48/18 (2019.01); B29C 48/19 (2019.01); B29D 11/00 (2006.01); B32B 27/08 (2006.01); G02B 5/30 (2006.01); B29L 11/00 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01); B29C 48/315 (2019.01); B29C 48/30 (2019.01); B29C 48/31 (2019.01); B29C 48/49 (2019.01); B29K 101/12 (2006.01);
U.S. Cl.
CPC ...
G02B 5/208 (2013.01); B29C 48/0018 (2019.02); B29C 48/0022 (2019.02); B29C 48/08 (2019.02); B29C 48/18 (2019.02); B29C 48/19 (2019.02); B29C 48/21 (2019.02); B29D 11/00788 (2013.01); B32B 27/00 (2013.01); B32B 27/08 (2013.01); B29C 48/30 (2019.02); B29C 48/31 (2019.02); B29C 48/315 (2019.02); B29C 48/49 (2019.02); B29C 2793/009 (2013.01); B29K 2101/12 (2013.01); B29K 2995/0018 (2013.01); B29K 2995/0034 (2013.01); B29L 2007/00 (2013.01); B29L 2009/00 (2013.01); B29L 2011/0066 (2013.01); B32B 2551/00 (2013.01); G02B 5/30 (2013.01);
Abstract

The present invention provides an optical film containing an additive. The optical film includes a high concentration portion containing the additive, and a low concentration portion containing the additive at a concentration lower than the high concentration portion. The low concentration portion is provided on both sides of the high concentration portion in a thickness direction of the optical film, and the low concentration portion is provided on both sides of the high concentration portion in a width direction of the optical film.

Find Patent Forward Citations

Nakahori, Hyota. (2020). Optical film, shaping film, method for manufacturing optical film, and method for manufacturing stretched film (U.S. Patent No. 10663635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10663635

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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