| 摘要 |
PROBLEM TO BE SOLVED: To provide a period display member which is formed to solve the problems with the prior art and can announce the exchange period for wiper rubber or the like damaged by light. SOLUTION: The surface of a mount 11 is printed with a first ink layer 12. The first ink layer 12 is composed of light resistant ink 13 and first specific ink 14 with which the light resistant ink 13 is printed adjacently thereto. The light resistant ink 13 is faded in a long period by the light including UV rays, etc. The first specific ink 14 is faded in a shorter period than the light resistant ink 13, by the light including UV rays, etc. The light resistant ink 13 and the first specific ink 14 are formed of the same color.
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