Patent ID: 8780447

Claim:
A virtual image display device comprising: an image display device that forms image light; an optical projection system that forms a virtual image by the image light emitted from the image display device; and a light guide device that has a light incident unit receiving the image light passing through the optical projection system, a light guide unit directing the image light received from the light incident unit by total reflection on first and second faces opposed to each other and extending in parallel, and a light emission unit emitting the image light passing through the light guide unit to the outside, wherein the light incident unit has a third face that reflects the image light by a reflection unit forming an obtuse angle with respect to the second face, and wherein the reflection unit covers a ridge line vicinity area on a third face side in an angled portion between a third face and the second face, and the reflection unit protrudes and extends at least at a part of the ridge line vicinity area on the second face side in the angled portion.