| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a mobile terminal device that can achieve various display modes and can improve a design and designability. <P>SOLUTION: A mobile terminal device 100 has, on an upper side, a button 120a to which processing of a half mirror coating 170 is performed, and has, on a backside, a key operating unit 120 to which a letter form or a figure is printed, a case 102 on which the key operating unit 120 is arranged on an aperture 102b, a substrate 130 held within the case 102, two or more colors light-emitting diodes 132a-132d mounted on the substrate 130, and a control unit 110 controlling a light emitting pattern of the light-emitting diodes 132a-132d according to an operation application. The letter form or the figure is printed with two or more colors, light of either emission color of the light-emitting diodes 132a-132d is transmitted in one color printing, and at least part of the light is absorbed in the other color printing. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
