×

VIRTUAL IMAGE DISPLAY DEVICE

  • US 20130083404A1
  • Filed: 08/31/2012
  • Published: 04/04/2013
  • Est. Priority Date: 09/30/2011
  • Status: Active Grant
First Claim
Patent Images

1. A virtual image display device comprising:

  • an image display device adapted to form an image light;

    a projection optical system adapted to form a virtual image by the image light emitted from the image display device;

    a light guide member includinga light entrance section adapted to take in the image light having passed through the projection optical system,a light guide section adapted to guide the image light taken in from the light entrance section using total reflection by a first surface and a second surface opposed to each other, anda light exit section adapted to take out the image light having passed through the light guide section; and

    a light transmitting member adapted to make observation of external light possible by being bonded to the light guide member,wherein the light guide member has a semi-transmissive reflecting film, which bends the image light and transmits the external light, disposed on a partial area of a first junction surface to be bonded to the light transmitting member, andthe light transmitting member has a second junction surface opposed to the first junction surface including an exceptional area excluding the partial area, and bonded to the first junction surface with an adhesive in at least the exceptional area.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×