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. 20, 2025
Filed:
Sep. 29, 2020
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Minsang Park, Daejeon, KR;
Hye Ri Kim, Daejeon, KR;
Hyejin Kim, Daejeon, KR;
Jinsu Park, Daejeon, KR;
Seungmin Jeong, Daejeon, KR;
Yeongmin Jo, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
SK ie technology Co., Ltd., Seoul, KR;
Abstract
The present invention relates to a polyimide-based film exhibiting excellent visibility, a method for preparing same, and a display device including the prepared film. Particularly, the present invention relates to a polyimide-based film, a window cover film, and a display panel including same. The polyimide-based film maintains linear polarization with respect to incident polarization in the direction of an inclination as well as incident polarization in the direction of a normal line of the film.