Stereoscopic image display device and stereoscopic image display method

摘要

Using a stereoscopic image display device 10 formed by arranging plural cubic corner bodies 12 in a plane state such that shaft centers thereof are parallel to each other, each of the bodies 12 having three reflective planes 17-19 perpendicular to each other and a reflected light outlet 11 a provided at a corner of the planes 17-19, and placing a half mirror 14 on a light entrance plane of the bodies 12, an image is formed by letting a light from an object 26 in the light entrance plane of the bodies 12 and recursively reflecting the light off the bodies 12; and reflecting the recursively reflected light off the half mirror 14 and letting the light out from the reflected light outlet 11a to outside. Accordingly, a stereoscopic image, i.e., a real image of the object can be observed when the device 10 is viewed from a front side.

主权项

1. A stereoscopic image display device, comprising:
a recursive reflective material including a reflected light outlet, through the reflected light outlet light passes out from a front side to a back side thereof; and a half mirror whose transmission rate is set to 40-70% placed on a light entrance side of the recursive reflective material; wherein the recursive reflective material is formed by arranging a large number of cubic corner bodies in a way that shaft centers of the cubic corner bodies are arranged in parallel to each other, the cubic corner bodies each having the reflected light outlet at a top portion of a truncated triangular pyramid formed by truncating an apex portion of a triangular pyramid having three side planes each formed from an isosceles right triangle, provided that a height along a centerline m in the triangular pyramid having the apex portion thereof untruncated is h, the reflected light outlet of each of the cubic corner bodies is located in a range of (0.3 to 0.8)·h from an apex corner of the triangular pyramid, and by means of the recursive reflective material and the half mirror, light from an object is let in the recursive reflective material through the half mirror, the light having reflected off the recursive reflective material is reflected off the half mirror, reflected light from the half mirror is let out from the reflected light outlet to outside, and an image location is changed and a real image is formed on a back side of the recursive reflective material.