Title:
偏光フィルム、その製造方法および画像表示装置
Document Type and Number:
Japanese Patent JP7055734
Kind Code:
B2
Abstract:
The present invention refers to a polarizing film that comprises a polarizer and a functional layer that is directly formed on at least one side of the polarizer, wherein the functional layer is the cured product from a starting material containing (a) a urethane prepolymer that is the reaction product of an isocyanate compound and a polyhydric alcohol and (b) a compound that has at least two functional groups having isocyanate group-reactive active hydrogen, and whose molecular weight is divided by the number of the functional groups to yield a value of not more than 350. A functional layer exhibiting a good adhesiveness to the polarizer and a good cohesion can be efficiently formed with the polarizing film according to the present invention.
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Inventors:
Yasutaka Ishihara
Tomonori Ueno
Tomonori Ueno
Application Number:
JP2018223659A
Publication Date:
April 18, 2022
Filing Date:
November 29, 2018
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
G02B5/30; B32B7/023; B32B27/40; C08G18/10; C08G18/32; C08G18/76; G02F1/1335; G09F9/00; H01L27/32
Domestic Patent References:
| JP2017015883A | ||||
| JP2018168213A | ||||
| JP2007119772A | ||||
| JP8199129A | ||||
| JP11030715A |
Foreign References:
| WO2017170527A1 | ||||
| US20120308798 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office