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Binocular display with improved contrast uniformity

  • US 7,515,344 B2
  • Filed: 01/04/2006
  • Issued: 04/07/2009
  • Est. Priority Date: 01/04/2006
  • Status: Active Grant
First Claim
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1. A binocular display comprising left and right display screens for the left and right eyes of a user, each display screen having a characteristic optical contrast that varies with the viewing angle, the contrast being maximum at a first viewing angle and decreasing unsymmetrically for viewing angles greater or lesser than the first viewing angle,the display screens being mounted with respect to a user such that the change in contrast with viewing angle trends opposite for the left and right display screens;

  • the display screens exhibiting a similar characteristic contrast,one of the display screens being rotated with respect to the other display screen, andleft and right signal source being coupled to the left and right display screens and being adapted to accommodate the relative rotation between the display screens so that the left and right signals produce right side up images on both the left and right display screens.

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