| 主权项 |
1. A virtual image display device comprising:
an image forming element which forms an image to be displayed; and an optical element which reflects a light emitted from the image forming element to display a virtual image, wherein the optical element has a concave shape opposite to a traveling direction of the light emitted from the image forming element, wherein the light emitted from the image forming element enters the optical element without being reflected by other optical element, wherein the image forming element is an exit-pupil expanding element which expands an exit-pupil of the light irradiated from a light source; and wherein the image forming element is arranged in a direction substantially orthogonal to a direction of viewing the virtual image through the optical element. |
