Invention Application

TOUCH PANEL
Abstract:
The touch panel includes an image display device, an adhesive layer formed by curing an ultraviolet-curable adhesive, a touch panel sensor, and a protective substrate in this order, the touch panel sensor includes any one polymer film of a cyclic olefin polymer film and a cyclic olefin copolymer film, an ultraviolet absorption layer is provided between the polymer film and the protective substrate, a transmittance of the ultraviolet absorption layer in a wavelength range of 200 to 340 nm is 5% or less, a transmittance of the ultraviolet absorption layer at a wavelength of 400 nm is 86% or more, and a transmittance of the ultraviolet absorption layer in a wavelength range of 400 to 800 nm is in a range of ±3% or less of the transmittance at a wavelength of 400 nm.
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