Polyimide film polyimide composition and method for producing film using the same

Disclosed are a polyimide film that can be used as a substrate for a flexible display device, a polyimide composition for forming the same, and a film manufacturing method using the same. The polyimide film includes polyimide represented by a chemical formula 2 or a polyamide-imide copolymer represe...

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Bibliographische Detailangaben
Hauptverfasser:	JUNG JAE HOON, AN MIN SHI, SEO YOUNG HO, KIM DONG MIN, KIM JIN WUK, CHO YOUNG WOON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Disclosed are a polyimide film that can be used as a substrate for a flexible display device, a polyimide composition for forming the same, and a film manufacturing method using the same. The polyimide film includes polyimide represented by a chemical formula 2 or a polyamide-imide copolymer represented by a chemical formula 1, and an energy margin of ablation laser is not less than 30 mj/cm^2. The polyimide film has excellent heat resistance and transparency. 플렉서블 디스플레이 소자의 기판으로 사용될 수 있는 폴리이미드 필름, 이를 형성하기 위한 폴리이미드 조성물 및 이를 이용한 필름 제조 방법이 개시된다. 상기 폴리이미드 필름은 화학식 2로 표시되는 폴리이미드 또는 화학식 1로 표시되는 폴리아마이드-이미드 공중합체를 포함하며, 박리 레이저의 에너지 마진이 30 mj/cm2 이상이다.