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:
Dec. 31, 2019
Filed:
Sep. 29, 2017
Skc Kolon Pi Inc., Jincheon-gun, KR;
Kil Nam Lee, Bucheon-si, KR;
Jae Chul Ahn, Gumi-si, KR;
In Seok Oh, Daegu, KR;
Sang Hak Lee, Gumi-si, KR;
Jae Baek Lee, Daegu, KR;
Hyun Jai Lim, Gumi-si, KR;
SKC KOLON PI Inc., Jincheon-gun, KR;
Abstract
The present invention relates to an ultra-thin black polyimide film and a method for preparing the same. The ultra-thin black polyimide film according to the present invention has a thickness of 8 μm or less, and has not only an excellent gloss and a low light transmittance in the range of visible light, but also an excellent dimensional stability so as to be effectively used in products such as slim devices, coverlays, insulating films, or semiconductor devices, which need to have a good mechanical or thermal properties.