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US 2025/0320338 A1Published application
Transparent film, hard coat film, and display
AssigneeKaneka Corporation
InventorsYusuke Taguchi, Keisuke Katayama, Jun Kamite, Satoshi Sugiyama
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Abstract
A transparent film including a polyimide-based resin and a bluing agent is provided. The transparent film has a total light transmittance of 90% or more. The transparent film optionally contains a resin other than the polyimide-based resin and/or an ultraviolet absorber. A yellowness index of the transparent film is optionally within the range of −1.0 or more and 1.0 or less. The transparent film has high total light transmittance and thus can be used suitably as a material for a display.
Claims20
A transparent film comprising:
- a polyimide-based resin;
- and a bluing agent, wherein the transparent film has a total light transmittance of 90% or more.
Dependencies are inferred from the claim text.