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.

Date of Patent:
Nov. 03, 2020

Filed:

Sep. 22, 2015
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Beom Seok Lee, Daejeon, KR;

Eung Jin Jang, Daejeon, KR;

Sukjae Lee, Daejeon, KR;

Kyoung Sik Kim, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/28 (2014.01); B23K 26/0622 (2014.01); G02B 5/30 (2006.01); B23K 26/073 (2006.01); B23K 26/402 (2014.01); B23K 26/06 (2014.01); B23K 26/38 (2014.01); B23K 103/00 (2006.01); B23K 103/16 (2006.01); B23K 101/00 (2006.01); B23K 101/34 (2006.01);
U.S. Cl.
CPC ...
B23K 26/38 (2013.01); B23K 26/0622 (2015.10); B23K 26/0626 (2013.01); B23K 26/0736 (2013.01); B23K 26/402 (2013.01); G02B 5/3033 (2013.01); B23K 2101/00 (2018.08); B23K 2101/34 (2018.08); B23K 2103/172 (2018.08); B23K 2103/42 (2018.08); B23K 2103/54 (2018.08);
Abstract

A method of cutting a polarizing plate by using a laser, and a polarizing plate cut using the same. A beam shape of the laser is configured to have an elliptical shape and a major axis of the elliptical shape parallel to a cutting direction to provide excellent cross-sectional quality and improved productivity.


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