Patent ID: 8462949

Claim:
A computer-controlled display device for displaying content to an authorized viewer and preventing viewing of such content by an unauthorized viewer, comprising a display configured to display content, said display composed of a first secure display region and a second insecure display region, said first secure display region located at a display location corresponding to a gazepoint on said display of said authorized viewer such that only content displayed in said first secure display region is intelligible to said authorized viewer and said first secure display region moves dynamically with the movement of said gazepoint on said display, and said second insecure display region is the remaining area of said display outside of said first secure display region, the content displayed in said first secure display region and in said second insecure display region being displayed in a substantially unintelligible format to said unauthorized viewer, and said content being displayed in said first secure display region and in said second insecure display region substantially simultaneously.