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:
May. 27, 2025
Filed:
Oct. 21, 2019
Shanjin Optoelectronics (Suzhou) Co., Ltd., Jiangsu, CN;
Seong Yong We, Daejeon, KR;
Sung Wook Hwang, Daejeon, KR;
Bum Seung Lim, Daejeon, KR;
Byeong Chan Choi, Daejeon, KR;
Seul Ki Park, Daejeon, KR;
Ye Jin Mun, Daejeon, KR;
Woo Yong Song, Daejeon, KR;
Zi Shuo Zhang, Daejeon, KR;
Abstract
Provided are a hole machining apparatus for an optical film, comprising: a clamping part for fixing a plurality of optical films in stacked laminated state; and a machining part for performing a hole operation on a predetermined region of the plurality of optical films so as to sequentially pass through the optical films along the laminated direction in a state where the optical films are fixed to the clamping part, wherein upon the hole operation, the machining part comprises a drill part provided to perform a primary hole machining operation and a bite unit provided to perform a secondary hole operation in the primary hole operation region. Also provided is a hole machining method for an optical film, comprising clamping a plurality of laminated optical films at a predetermined pressure in the hole machining apparatus.