| 摘要 |
PROBLEM TO BE SOLVED: To provide a folding type mobile phone which efficiently radiates heat generated by a heating element mounted on a substrate to the outside. SOLUTION: The folding type mobile phone 10 comprises: an upper main body 20 having a display part 21; a lower main body 30 having a key operation part 31; and a hinge mechanism 50 rotatably coupling the upper main body and lower main body together. The upper main body has: at least a display part holder 25 made of a metal material; the lower main body has at least a shield case 35 made of a metal material; and a control board 40 having a power amplifier 42. The hinge mechanism has first to third frames 55, 60, and 65 made of metal materials. The display part holder and shield case are coupled together by the hinge mechanism, and the power amplifier on the control board is disposed to be in contact with the shield case. COPYRIGHT: (C)2008,JPO&INPIT
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