Invention Application
- Patent Title: TOUCH PANEL
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Application No.: US15686176Application Date: 2017-08-25
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Publication No.: US20170351362A1Publication Date: 2017-12-07
- Inventor: Katsuyuki NUKUI , Kensuke KATAGIRI , Shinya OGIKUBO , Toshinari FUJII , Shin TAJIRI
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2015-065241 20150326
- Main IPC: G06F3/044
- IPC: G06F3/044

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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