Patent ID: 9588345
Date: 2017-03-07
CPC Classifications: G02B,G06F,G09G

Claim:
1. A head-mounted display device comprising: an image display unit including an image-light generating unit that generates image light representing an image and emits the image light and a light guide unit that guides the emitted image light to an eye of a user, the image display unit causing the user to visually recognize a virtual image; and a control unit that is connected to the image display unit and controls image display by the image display unit, the control unit including an operation surface that controls an operation of the head-mounted display device based on finger operation by the user detected on the operation surface; and a direction determining unit that determines whether the user faces the operation surface of the control unit, wherein if the direction determination unit determines that the user faces the operation surface, the control unit adjusts luminance of the image-light generating unit or adjusts the image light generated by the image-light generating unit to reduce visibility of the virtual image.