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:
Jun. 06, 2017
Filed:
Jun. 03, 2014
Inktec Co., Ltd., Ansan-si, KR;
Kwang-Choon Chung, Yongin-si, KR;
Insook Yi, Daejeon, KR;
MinHee Kim, Ansan-si, KR;
Ji Hoon Yoo, Bucheon-si, KR;
InkTec Co., Ltd., Ansan-si, KR;
Abstract
Provided herein is a method for producing a nano polaroid film using a one-pack type or two-pack type blackening ink so that a single layer film may replace a conventional polaroid film generally produced by superposing various types of optical films, and especially, a method for producing a nano polaroid film consisting of one film and having excellent observability by coating a transparent nano pattern substrate with a functional ink that contains a blackening material, and then removing particles formed on protruding portions using an etching solution, and refilling the functional ink into grooves.