Decal for manufacturing multi-colored retroreflective sticker
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United States of America Patent
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Apr 25, 2017
Issued Date -
N/A
app pub date -
Apr 27, 2015
filing date -
Oct 6, 2014
priority date (Note) -
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Abstract
A decal for manufacturing a multi-colored retroreflective sticker having a variety of colorful letters or patterns includes: a glass bead layer including a printing layer having the colorful letters or patterns made of dye-based ink, on one side of the glass bead layer; a transparent reflective layer formed on the other side of the glass bead layer and having a polarization element and a diffused reflection element sequentially deposited; an opaque bonding layer including a mixture of polyurethane and a white pigment and applied on the reflective layer to hold the glass bead layer; a thermal adhesive layer applied on the bonding layer; and a carrier sheet removably attached on the thermal adhesive layer by an adhesive remover layer, thereby obtaining uniform luminance under an artificial light source and high brightness and saturation under a natural light source.
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