| CPC H04M 1/0266 (2013.01) [G06F 21/84 (2013.01); H04M 1/22 (2013.01); B33Y 80/00 (2014.12); B41M 3/148 (2013.01); G02B 5/23 (2013.01)] | 20 Claims |

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1. A method of making a privacy screen protector for a screen, comprising:
adding at least one image to a surface of a glass substrate; and
adding a privacy filter to the substrate that includes a viewing angle, wherein visibility of the at least one image is based on the viewing angle of the privacy filter and on activation of a display area of a screen onto which the screen protector is installed, wherein the adding includes placing a material on the surface in a form of the at least one image and adhering the material to the surface using heat.
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