| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly practical photochromic toy capable of coloring parts having a solar battery without being restricted by the color tone of the dark-color solar battery, having a photochromic function, and having the convenience due to the solar battery, the freedom degree of the color tone and the variation. SOLUTION: This photochromic toy with a solar battery is formed by having a coloring layer containing white pigment on the surface of the solar batteries, and a photochromic layer containing a photochromic compound selected from spirooxazine derivative or spiropyran derivative on the coloring layer. COPYRIGHT: (C)2009,JPO&INPIT
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