Assembly layer for flexible display

The present invention is an assembly layer for a flexible device. Within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×10−6 1/Pa me...

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Bibliographische Detailangaben
Hauptverfasser: Behling, Ross E, Erdogan-Haug, Belma, Everaerts, Albert I, Kinning, David J, Appeaning, Maria A, Won, Jong-Seob, Aloshyna ep Lesuffleur, Marie, Clapper, Jason D, Hays, David S
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention is an assembly layer for a flexible device. Within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×10−6 1/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress. The assembly layer includes at least one of a polyisoprene, a polybutadiene, an olefin block copolymer, a polyisobutylene, and high alkyl polyolefin.