| 摘要 |
It is an object of the present invention to display unnaturalness-free images without showing an observer repetitive images in accordance with the observer's viewpoint. A light beam control element 101 b limits a viewing area of images composed of light emitted from a light source array 101 a. Here, a terminal position detection sensor 102 or an observer position detection sensor 103 detects a relative positional relationship between the observer's eye observing the image formed by the light emitted from the light source array 101 a, and the light source array 101 a and the light beam control element 101 b. Based on the positional relationship detected by these sensors, a display image control device 104 controls the light source array 101 a so as to change display contents of the light forming the image with the viewing area limited by the light beam control element 101 b.
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