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.

Date of Patent:
Oct. 24, 2023

Filed:

Jun. 13, 2022
Applicants:

SK Innovation Co., Ltd., Seoul, KR;

SK IE Technology Co., Ltd., Seoul, KR;

Inventors:

Cheol Min Yun, Daejeon, KR;

Hye Jin Park, Daejeon, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08J 5/18 (2006.01); B32B 27/28 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1067 (2013.01); B32B 27/281 (2013.01); C08G 73/1039 (2013.01); C08G 73/1042 (2013.01); C08G 73/1064 (2013.01); C08J 5/18 (2013.01); B32B 2457/20 (2013.01); C08J 2379/08 (2013.01);
Abstract

An embodiment relates to a polyimide based film for a cover window that may satisfy required performance of an advanced cover window, and a use thereof, and the polyimide based film for a cover window according to the embodiment has excellent visibility without optical stains without deterioration in colorless and transparent optical physical properties, and excellent heat resistance and mechanical physical properties, and thus, may be usefully used for optical applications or the purpose of replacing existing tempered glass. In addition, the polyimide based film for a cover window according to an embodiment may be usefully used in a multilayer structure and a display device.


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