Title:
レンズ形成フィルム
Document Type and Number:
Japanese Patent JP7238333
Kind Code:
B2
Abstract:
To provide lens forming film that exhibits visual effect when a printed pattern is observed through a lens by forming a lens shape due to moisture absorption on the surface of the film which is usually flat, and a method of manufacturing it.SOLUTION: Lens forming film 1 includes: a sheet-like substrate 11; a sheet-like matrix 12 closely attached to the substrate 11; and a printed pattern 13 formed by thin lines provided on a surface 12a that is not closely attached to the substrate 11 on the matrix 12. The matrix 12 is formed by resin that adsorbs and desorbs moisture, and the matrix swells between the thin lines of the printed pattern due to moisture absorption, thereby forming a convex lens.SELECTED DRAWING: Figure 1
Inventors:
Shigeki Furukawa
Yumi Hayashi
Masami Inoguchi
Yumi Hayashi
Masami Inoguchi
Application Number:
JP2018197555A
Publication Date:
March 14, 2023
Filing Date:
October 19, 2018
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
B44F1/04; G02B3/00; G02B3/12; G09F19/12
Domestic Patent References:
| JP2018141091A | ||||
| JP2008089859A | ||||
| JP2010070752A | ||||
| JP4239514A |
Foreign References:
| WO2016121587A1 |