| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a seamless reflection body having unit cells covering the reflection face and having high use efficiency of light. <P>SOLUTION: When reflection patterns 28 are arranged in the frame 41 of the unit cell 31, the reflection patterns 28 are arranged as divided into two groups of a first reflection pattern group G1 with the whole form of the reflection pattern 28 housed in the frame 41 and a second reflection pattern group G2 with a part of the form of the reflection pattern 28 protruding from the frame 41. The pattern 28 in the group G2 protruding from the frame 41 is arranged in such a manner that the pattern is continued to the pattern in the second reflection pattern group G2 of another unit cell 31 adjacent to the first cell to form one reflection pattern 28. Thus, the obtained reflection body 20 is composed of the unit cells 31 in which the reflection patterns 28 are almost uniformly arranged all over the reflection face 21. <P>COPYRIGHT: (C)2003,JPO |
