An adhesive film formed by curing a composition including a high-molecular-weight acrylic polymer having a weight average molecular weight of 700,000 or more, a low-molecular-weight acrylic polymer having a weight average molecular weight of less than 500,000, and a cross-linking agent, a photoinitiator, a molecular weight regulator, or a combination thereof is provided. Based on 100 parts by weight, which is a sum of an amount of the high-molecular-weight acrylic polymer and an amount of the low-molecular-weight acrylic polymer, the amount of the high-molecular-weight acrylic polymer is 30 parts by weight or more, and the adhesive film has a degree of stress relaxation of 0.01 to 0.50, a creep at 50° C. of 4% or more, and a modulus at 25° C. of 0.04 MPa to 0.70 MPa.


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    Title :

    ADHESIVE FILM, ELECTRONIC DEVICE INCLUDING THE SAME, AND VEHICLE INCLUDING THE ELECTRONIC DEVICE


    Contributors:
    LEE JOOSUB (author) / PARK YOUNGJU (author) / YOO SEONGSOO (author) / EUN SANGWON (author) / LEE JINYOUNG (author)

    Publication date :

    2024-09-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C09J ADHESIVES , Klebstoffe / H05K PRINTED CIRCUITS , Gedruckte Schaltungen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse



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