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:
Aug. 21, 2018
Filed:
Mar. 04, 2015
Lg Chem, Ltd., Seoul, KR;
Eun-Je Kim, Daejeon, KR;
Eung-Jin Jang, Daejeon, KR;
Jae-Ok Shin, Daejeon, KR;
Youn-Su Kim, Daejeon, KR;
Tae-Sick Kim, Daejeon, KR;
Jung-Kyu Park, Daejeon, KR;
Young-Sun Bang, Daejeon, KR;
Eui-Bong Ha, Daejeon, KR;
Dong-Ki Hwang, Daejeon, KR;
Jung-Sik Yoon, Cheongju-si, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
A film tension control system according to an embodiment of the present disclosure includes a delamination unit installed on a transfer path of a polarizing plate to delaminate a release film from a polarizing film, the polarizing plate including the polarizing film and the release film attached to one surface of the polarizing film, an inspection unit installed on a transfer path of the polarizing film to inspect if impurities are present in an adhesive layer formed on one surface of the polarizing film, a tension indication unit installed on a movement path of the release film to indicate a degree of tension applied to the release film, a re-lamination unit to re-laminate the release film having passed through the tension indication unit on the adhesive layer of the polarizing film having passed through the inspection unit, and a tension adjustment unit installed on the transfer path of the re-laminated polarizing plate to adjust the tension of the optical film and the release film.