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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 9581734 B1

PDFFull Text
Date of Patent:
Feb. 28, 2017

Filed:

Mar. 07, 2014

Optical film exhibiting excellent blocking properties for ultraviolet light and polarizing plate including the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Suk-Il Youn, Daejeon, KR;

Sang-Min Kwak, Daejeon, KR;

Kyung-Jae Kwon, Daejeon, KR;

Nam-Jeong Lee, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Nancy Johnson

Int. Cl.
CPC ...
G02B 1/14 (2015.01); G02B 1/04 (2006.01); C08K 5/3492 (2006.01); C08L 33/12 (2006.01); C08J 5/18 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); C08J 5/18 (2013.01); C08K 5/3492 (2013.01); C08L 33/12 (2013.01); G02B 1/04 (2013.01); G02B 5/305 (2013.01); C08J 2333/06 (2013.01); C08J 2333/24 (2013.01);
Abstract

There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phrμmin a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phrμmin a wavelength band of 330 to 400 nm, and acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, and a polarizing plate including the same.

Find Patent Forward Citations

Youn, Suk-Il. (2017). Optical film exhibiting excellent blocking properties for ultraviolet light and polarizing plate including the same (U.S. Patent No. 9581734). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9581734

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

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