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:
Feb. 03, 2026
Filed:
Jan. 14, 2020
Lg Chem, Ltd., Seoul, KR;
Kangyoon Kim, Seoul, KR;
Byeongheui Han, Seoul, KR;
Bongtaek Hong, Seoul, KR;
Woohyuck Chang, Seoul, KR;
Dohyung Kwon, Seoul, KR;
Solmon Park, Seoul, KR;
Hosik Ryu, Seoul, KR;
Seungsoo Shin, Seoul, KR;
Kyuseok Han, Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
An apparatus for manufacturing a light control film and a light control film manufactured by the same are provided. The apparatus comprises a film supply device supplying a base film, and a pattern formation mold applying pressure onto one side of the base film to form a pattern thereon, wherein the pattern formation mold comprises a main body and a pattern formation structure protruding from an outer surface of the main body and extending in a first direction, wherein a cross-section perpendicular to the first direction of the pattern formation structure comprises a pair of first intersecting lines, one ends of which are connected to the main body, and having a first intersecting angle; and a pair of second intersecting lines extending from the other ends of the pair of first intersecting lines respectively, and having a second intersecting angle smaller than the first intersecting angle.