| CPC G02B 1/14 (2015.01) [B32B 7/023 (2019.01); G02B 1/11 (2013.01)] | 8 Claims |
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1. A laminate, which comprises a transparent cover for a flexible display device; and a protection film comprising a base layer disposed on the transparent cover and comprising a polyester resin; and a primer layer disposed on the base layer, wherein the protection film has a reflectance of 5% or less for light having a wavelength of 550 nm, the strain until whitening occurs in the transparent cover and the base layer is 10% or more, and the following Relationship (1) is satisfied:
0.7≤n2/n1≤1.0 (1)
in the above relationship, n1 and n2 refer to the refractive indices of the base layer and the primer layer, respectively,
when a first direction and a second direction perpendicular to each other in the plane are defined, satisfies the following Relationships (11) to (13) at 25° C.:
0.7≤m2/m1≤1.3 (11)
0.5≤m1/m3≤0.9 (12)
0.4≤m2/m4≤0.9 (13)
in the above relationships, m1 and m2 are the moduli of the base layer in the first direction and in the second direction, respectively, and m3 and m4 are the moduli of the transparent cover in the first direction and in the second direction, respectively.
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