MOBILE TERMINAL DEVICE

PROBLEM TO BE SOLVED: To provide a mobile terminal device equipped with a key switch and a decorative plate arranged around the key switch which can be suppressed with uneven brightness in the plane of the decorative plate and is improved in design property. SOLUTION: The mobile terminal device 10 is a folding type one, and is equipped with the key switch which is arranged on the surface of an enclosure (upper enclosure) 11 and has a transparent key top 25, an LED light source arranged in the enclosure on the back face side of the key top 25, and the transparent decorative plate 31 which is arranged on the surface of the enclosure in such a manner as to surround the key top 25. The side edge adjacent to the key top 25 of the decorative plate 31 has a gradient projecting toward the key top 25 when viewed from the back face to the front face side of the enclosure. COPYRIGHT: (C)2008,JPO&INPIT