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Head-mounted display device and control method for the head-mounted display device

  • US 10,009,602 B2
  • Filed: 08/05/2015
  • Issued: 06/26/2018
  • Est. Priority Date: 02/10/2011
  • Status: Active Grant
First Claim
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1. A head-mounted display device for making a user recognize a virtual image in a state in which the head-mounted display device is mounted on a head of the user, the head-mounted display device comprising:

  • an image-light generating unit for the right eye of the user to generate an image light from image data for right eye of the user and to emit the image light;

    an image-light generating unit for the left eye of the user to generate the image light from image data for the left eye of the user and to emit the image light;

    a display control unit configured to control an emission of each of the image light respectively generated by the image-light generating unit for the right eye of the user and the image-light generating unit for the left eye of the user;

    a temperature detecting unit for the right eye of the user that detects a temperature of the image-light generating unit for the right eye of the user; and

    a temperature detecting unit for the left eye of the user that detects a temperature of the image-light generating unit for the left eye of the user, whereinthe display control unit controls the head-mounted display device to change its operation state, according to a condition set in advance, to a power saving state, wherein in the power saving state, the display control unit transitions the image-light emission of the image-light generating units among a first state in which only the image-light generating unit for the left eye of the user emits image light, a second state in which only the image-light generating unit for the right eye of the user emits image light, and a third state in which both the image-light generating units for the left eye of the user and for the right eye of the user emit image light,when a switching condition is satisfied, the display control unit is configured to transition the image-light emission of the image-light generating units from the first state to the second state through the third state,when a first condition is selected, the display control unit is configured to transition the image-light emission of the image-light generating units from equally between the first state and the second state, andwhen a second condition is selected, the display control unit is configured to transition the image-light emission of the image-light generating units from one of the first state and the second state to the other of the first state and the second state.

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