MULTI-LAYERED FILM HAVING HIGH HARDNESS AND BENDABILITY

The present invention provides a multi-layered polyimide film which can be used as a cover window of a display by exhibiting excellent optical properties while exhibiting different mechanical properties and bending properties, such as high surface hardness and high bending properties. The present in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KIM DONGYOUN, KIM WONKYUM, SHIM JAEHYUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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