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Virtual image display apparatus

  • US 10,073,269 B2
  • Filed: 05/30/2014
  • Issued: 09/11/2018
  • Est. Priority Date: 09/11/2013
  • Status: Active Grant
First Claim
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1. A virtual image display apparatus, adapted for medical surgical applications using an endoscopic imaging system, with which a surgical device is operated, the virtual image display comprising:

  • at least one virtual image display module disposed in front of at least one eye of a user, the at least one virtual image display module comprising;

    an image display unit providing an image beam, wherein the image beam comprises at least one type of surgical information, and the surgical information comprises an endoscopic surgery image of a patient; and

    a beam splitting unit disposed on transmission paths of the image beam and an object beam from an environment object, the beam splitting unit causing at least a part of the object beam to be transmitted to the eye, and the beam splitting unit causing at least a part of the image beam to be transmitted to the eye to display a virtual image, wherein the at least one virtual image display module further comprises a light guide rod located between the image display unit and the beam splitting unit, and a lens located between the light guide rod and the image display unit, wherein an Abbe number of the light guide rod is greater than 40, and an Abbe number of the lens is less than 40an ambient light adjustment unit located on the transmission path of the object beam for adjusting a ratio of a brightness of the at least a part of the object beam to a brightness of the at least a part of the image beam; and

    a control storage module electrically connected to the virtual image display module, the control storage module comprising;

    a storage unit for storing the at least one type of surgical information; and

    a control unit controlling the ambient light adjustment unit to adjust an ambient light, controlling the storage unit to adjust an output of the surgical information, and controlling a switching of an imaging position and a size of an image frame of the virtual image.

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