| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile phone, wherein setting according to user's preference is possible, and flexibility is improved rather than in a monochromatic key back light. SOLUTION: The mobile phone having a key operation part includes: a light source which is constituted of a lighting element of R, a lighting element of G, and a lighting element of B and is provided in the vicinity of the key operation part; and a control part which controls lighting of each of R, G, B of the light source. COPYRIGHT: (C)2010,JPO&INPIT
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