Title:
LIGHT-REFLECTING FILM AND METHOD FOR PRODUCING LIGHT-REFLECTING FILM
Document Type and Number:
WIPO Patent Application WO/2018/207563
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a light-reflecting film which exhibits excellent flatness, adhesiveness and light-reflecting properties, while having excellent durability; and a method for producing this light-reflecting film. A light-reflecting film according to the present invention is characterized by comprising: a pair of substrate films; and two or more reflective layer units, each of which is obtained by laminating two or more layers having different refractive indexes. This light-reflecting film is also characterized in that: a bonding layer is arranged between the two or more reflective layer units; the bonding layer has a layer thickness within the range of 0.1-1.0 μm; and a reflective layer unit group, which is configured of the two or more reflective layer units and the bonding layer, is sandwiched between the pair of substrate films.
Inventors:
KUMAGAI TAKENORI (JP)
SAITO MAKIKO (JP)
SAITO MAKIKO (JP)
Application Number:
PCT/JP2018/015888
Publication Date:
November 15, 2018
Filing Date:
April 17, 2018
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B5/08; B32B7/02; C09J201/00
Domestic Patent References:
| WO2016194875A1 | 2016-12-08 |
Foreign References:
| JP2009514037A | 2009-04-02 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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