Patent ID: 8976452
Filing Date: 2015-03-10
Classification: G02B

Abstract:
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 including 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 bonded to the light transmitting member, the semi-transmissive reflecting film not being disposed on an area of the first junction surface other than the partial area, and the light transmitting member has a second junction surface opposed to the first junction surface including an exceptional area, the exceptional area being disposed to the area of the first junction surface other than the partial area, and the light transmitting member being bonded to the first junction surface with an adhesive in at least the exceptional area.