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1. (WO2018128171) OPTICAL FILM AND IMAGE DISPLAY DEVICE

Pub. No.:    WO/2018/128171    International Application No.:    PCT/JP2017/047350
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Fri Dec 29 00:59:59 CET 2017
IPC: G09F 9/00
B32B 27/00
G09F 9/30
H05B 33/02
H01L 51/50
Applicants: DAI NIPPON PRINTING CO., LTD.
大日本印刷株式会社
Inventors: HASHIMOTO Yusuke
橋本 裕介
KOBAYASHI Atsuhiro
小林 篤弘
ISOJIMA Seiichi
磯嶋 征一
Title: OPTICAL FILM AND IMAGE DISPLAY DEVICE
Abstract:
In accordance with an aspect of the present invention, provided is a foldable light-transmitting optical film 10 used for an image display device 50. The optical film 10 is provided with: a resin substrate 11; a hard coating layer 12 provided on the side of a first surface 11A of the resin substrate 11; and a resin layer 13 which is provided on the side of a second surface 11B on the reverse side of the first surface 11A of the resin substrate 11, and has a film thickness of 50 µm to 300 µm inclusive, wherein the shear storage modulus G', in a frequency range of 500 Hz to 1,000 Hz at 25°C, of the optical film 10 is greater than 200 MPa and equal to or less than 1,200 MPa , and the shear loss modulus G'', in a frequency range of 500 Hz to 1,000 Hz at 25°C, of the optical film is 3 MPa to 150 MPa.