| 摘要 |
<p>Provided are a optical device (100) that is compact in size and where the accuracy of positioning of optical members is secured, and an image display device (1) having the optical device (100). The optical device (100) bends a light flux by optical members (19a, 21a, 102, 104, 106, 108) and has wall surfaces (51a', 51b', 51c', 51d', 51e', 51f', 51g', 51h', 51x') arranged surrounding the bent light flux.</p> |
