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US 2024/0255682 A1Published application
Optical film having multilayered structure and display device comprising same
AssigneeKolon Industries, Inc.
InventorsByung-Joon AN, Sang-Hyun AHN
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Abstract
The present invention provides an optical film and a display device comprising same, wherein the optical film comprises a light transmitting substrate and a primer layer and has a yellowness (Y) of 5.0 or less before a light fastness test, a yellowness difference (ΔY.I) of 5.5 or less, and excellent total light transmittance.
Claims15
An optical film comprising a light-transmitting substrate and a primer layer,
- the optical film having a yellowness index before a light resistance test (Y0) of 5.0 or less and a yellowness index difference (ΔY.I) of 5.5 or less,
- wherein the yellowness index difference (ΔY.I) is a difference (Y1−Y0) between a yellowness index after the light resistance test (Y1) and the yellowness index before the light resistance test (Y0), and
- the light resistance test is performed under UV conditions [0.8 W/m2, at 420 nm (863.4 KJ/m2, 30° C./30RH % chamber, 55° C. black panel×300 hr)].
Dependencies are inferred from the claim text.