CPC G02F 1/133614 (2021.01) [G02B 6/005 (2013.01); G02F 1/133606 (2013.01); G02F 2202/36 (2013.01)] | 9 Claims |
1. A barrier film for a wavelength conversion sheet, comprising an inorganic oxide layer A, an organic coating layer B, an inorganic oxide layer C, and a primer layer D in presented order on a light-transmitting base material, wherein
the organic coating layer B comprises polyvinyl alcohol,
the primer layer D comprises a polyurethane-based resin composition, and
thicknesses of the light-transmitting base material, the inorganic oxide layer A, the organic coating layer B, the inorganic oxide layer C, and the primer layer D are defined as t0, tA, tB, tC, and tD, respectively;
tB is 150 nm or more and 500 nm or less; and
tD/tB is 0.55 or more and 1.65 or less.
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