| 摘要 |
A portable telephone is equipped with key backlight light-emitting units 41, 42 that are provided corresponding to a plurality of operation keys 31, 32 and a control unit 5 that supplies control signals that provide instructions to key backlight light-emitting units 41, 42 about the colors of the light that is to be emitted. The key backlight light-emitting units 41, 42 respectively include a plurality of light-emitting devices 411, 421 that produce different colors and lighting control units 412, 422 that effect lighting control of the plurality of light-emitting devices 411, 421 in accordance with control signals from control unit 5. Control unit 5 supplies control signals that cause light to be emitted in a specified color to key backlight light-emitting units that correspond to one or a plurality of operation keys and supplies control signals that cause light to be emitted in colors other than the specified color to key backlight light-emitting units other than the key backlight light-emitting units that are lighted in the specified color. |
