| 摘要 |
A key pad apparatus includes a key top part; an illuminating part for introducing the light of a light emitting element and diffusing the same; a first variable color display part to be irradiated by the diffused light from the illuminating part for selectively transforming its color to be reflected or transmitted according to an electrical signal; a first base film provided with a laminate under the first variable color display part and formed with a first printed surface; a second variable color display part provided with the laminate under the first base film to be irradiated by the diffused light from the illuminating part for selectively transforming its color to be reflected or transmitted according to an electrical signal; and a second base film provided with the laminate under the second variable color display part and formed with a first printed surface.
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