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Title:
RETARDATION FILM, POLARIZING PLATE WITH RETARDATION LAYER, AND IMAGE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2022144621
Kind Code:
A
Abstract:
To provide a retardation film that exhibits a nx>nz>ny refractive index characteristic and has an excellent crack resistance.SOLUTION: A retardation film according to an embodiment of the present invention comprises: an oriented film that contains a cyclic olefin resin and exhibits a nx>nz>ny refractive index characteristic; a brittle layer formed on at least one surface of the oriented film; and a reinforcement layer provided to the outside of the brittle layer. The reinforcement layer is the cured layer of an active energy ray curable resin. In the retardation film, an intermediate layer is formed between the reinforcement layer and the brittle layer, which is a compatible region that includes a component of the reinforcement layer and a component of the brittle layer.SELECTED DRAWING: Figure 1

Inventors:
NAGAHATA KEIJI
TANI SHUICHI
KAWAMURA AKIRA
ISAKI AKINORI
Application Number:
JP2021045700A
Publication Date:
October 03, 2022
Filing Date:
March 19, 2021
Export Citation:
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Assignee:
NITTO DENKO CORP
International Classes:
G02B5/30; G02F1/13363; G09F9/00; G09F9/30
Attorney, Agent or Firm:
Takafumi Masui