PROTECTING CONTENT DISPLAYED ON A MOBILE DEVICE

摘要

A method, computer program product and system for protecting content includes a mobile device screen including a plurality of pixels, whereby each of the plurality of pixels have first sub-pixel units that include a first viewing angle and second sub-pixel units that include a second viewing angle. Within each of the plurality of pixels, the first sub-pixel units are adjacent to the second sub-pixel units. A processing unit is coupled to the mobile device screen and determines a portion of the mobile device screen that displays sensitive content. The processing unit obscures the sensitive content displayed on the portion of the mobile device screen by deactivating the first sub-pixel units at the portion of the mobile device screen that displays the sensitive content and activates the second sub-pixel units at the portion of the mobile device screen that displays the sensitive content.

主权项

1. A method for protecting content displayed on a mobile device screen, the method comprising:
receiving sensitive content to be displayed on the mobile device screen, wherein the mobile device screen comprises a film embedded therein and a plurality of pixels, wherein the film has a first refractive index corresponding to a first critical angle at a first electric potential and a second refractive index corresponding to a second critical angle at a second electrical potential, and wherein each of the plurality of pixels have both first sub-pixel units that include a first viewing angle and second sub-pixel units that include a second viewing angle, the second viewing angle having a smaller viewing angle relative to the first viewing angle; generating an image of the received sensitive content using the first sub-pixel units and the second sub-pixel units on the mobile device screen; detecting an image of one or more unauthorized users viewing the mobile device screen; and applying an electrical potential to the film to change optical characteristics of the mobile device screen and obscure the sensitive content from the one or more unauthorized users.