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Head mounted display and optical position adjustment method of the same

  • US 9,709,809 B2
  • Filed: 12/22/2016
  • Issued: 07/18/2017
  • Est. Priority Date: 04/08/2010
  • Status: Active Grant
First Claim
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1. A display apparatus, including:

  • a control device;

    an image display device; and

    an optical device configured to change a direction of light emitted from the image display device,wherein the control device is configured to control an image signal for display by the optical device according to a distance between a viewer and a target such that a convergence angle of the viewer is adjusted with the distance between the viewer and the target, andwherein the target is located outside the display apparatus.

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