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:
Mar. 27, 2012
Filed:
Oct. 31, 2007
Sang-hoon Lee, Chungcheongnam-do, KR;
Byung-yun Joo, Seoul, KR;
Min-young Song, Seoul, KR;
Dong-kwan Kim, Seoul, KR;
Jin-sung Choi, Chungcheongnam-do, KR;
Jin-soo Kim, Seoul, KR;
Sang-hoon Lee, Chungcheongnam-do, KR;
Byung-yun Joo, Seoul, KR;
Min-young Song, Seoul, KR;
Dong-kwan Kim, Seoul, KR;
Jin-sung Choi, Chungcheongnam-do, KR;
Jin-soo Kim, Seoul, KR;
Abstract
A manufacturing method of an optical member includes forming an optical film which has a first glass transition temperature and includes a pattern formed on a surface of the optical film, and an optical plate which has a second glass transition temperature that is lower than the first glass transition temperature, disposing the optical film and the optical plate adjacent each other so that the pattern faces the optical plate, pressurizing the optical film and the optical plate while heating the optical plate to the second glass transition temperature or higher, and forming the optical member by the pressurizing and the heating.