Invention Grant
US09557710B2 Hologram transfer foil, fabrication method of image display element, image display element, and personal authentication medium 有权
全息转印箔,图像显示元件的制造方法,图像显示元件和个人认证介质

Hologram transfer foil, fabrication method of image display element, image display element, and personal authentication medium
Abstract:
A hologram transfer foil according to an embodiment is thermally transferrable to a transfer base member. The hologram transfer foil has a structure configured such that a peeling layer, a diffraction structure forming layer and an adhesive layer are stacked on one surface of a substrate. the diffraction structure forming layer includes fine concaves and convexes of a hologram or a diffraction grating. At least one of the peeling layer and the adhesive layer includes heat-conductive hidden information in a heat-conductive hidden information possession portion.
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