TRANSPARENT LAMINATED FILM FOR PEN INPUT DEVICE AND MANUFACTURING METHOD THEREOF

Title:

TRANSPARENT LAMINATED FILM FOR PEN INPUT DEVICE AND MANUFACTURING METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2015/151592

Kind Code:

A1

Abstract:

　A transparent laminated film arranged on the surface of the display of a pen input device, the film including a transparent base material layer and a surface-smooth layer laminated on one surface of the transparent base material layer, wherein the surface-smooth layer is formed of a cured substance of a curable composition containing urethane (meth)acrylate and a leveling agent, and the static coefficient of friction, the dynamic coefficient of friction, and a difference between the static coefficient of friction and the dynamic coefficient of friction (static coefficient of friction－dynamic coefficient of friction) are adjusted to the range 0.2-0.4, the range 0.1-0.3, and the range exceeding 0.05, respectively. The curable composition may further contain polyfunctional (meth)acrylate. The leveling agent may be a silicone-based leveling agent and/or a fluorine-based leveling agent. When used for a pen input device, this film permits input as if writing to paper with the feel of a ballpoint pen.

Inventors:

SHIMOSUGI SHOTA (JP)

Application Number:

PCT/JP2015/053684

Publication Date:

October 08, 2015

Filing Date:

February 10, 2015

Export Citation:

Click for automatic bibliography generation Help

Assignee:

DAICEL CORP (JP)

International Classes:

G06F3/041; B32B27/18; B32B27/30; B32B27/40; C08J7/046

Domestic Patent References:

WO2013089178A1

2013-06-20

Foreign References:

JP2007207091A	2007-08-16
JPH09258074A	1997-10-03

Other References: