Please download the dossier by clicking on the dossier button x
×

Optical see-through free-form head-mounted display

  • US 9,239,453 B2
  • Filed: 08/27/2013
  • Issued: 01/19/2016
  • Est. Priority Date: 04/20/2009
  • Status: Active Grant
First Claim
Patent Images

1. A free-form prism-lens for use in an optical see-through head-mounted display, comprising:

  • a first free-form surface configured to receive light from a micro-display and configured to transmit the received light into the body of the prism-lens;

    a second free-form surface configured to receive the light transmitted into the body of the prism-lens from the first free-form surface and configured to totally internally reflect the received light at the second surface; and

    a third free-form surface configured to receive the light reflected by the second free-form surface and configured to reflect the light out of the prism-lens,wherein the prism-lens has an f-number less than 3.5 and an effective focal length of 21 mm or less, wherein the exit pupil diameter is at least 6 mm.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×