| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a display device and a wrist watch which can be assembled easily and can surely prevent a situation in which dark purple color of a solar cell is visible from outside. <P>SOLUTION: The display device and the wrist watch includes a solar cell 61, a support board 62 arranged in the back face side of the solar cell 61 supporting the solar cell, and a dial plate 7, which is a light transmissive member, arranged on the surface side of the solar cell 61 and on the surface of which a groove 71 that is a concave part and a flat part 60b are uniformly formed, and a light reflecting film 60d being formed on the concave part 60b, wherein the solar cell 61, the support board 62 and the dial plate 7 are made in one unit by adhesion, the external light is transmitted by the flat part 72, lead to the solar cell 61 so that electricity is efficiently generated, while transmission of the light from the solar cell 61 to outside is blocked by the light reflecting film 71 so that it is possible to surely prevent the situation that the dark purple color of the solar cell 61 is visible from outside. <P>COPYRIGHT: (C)2011,JPO&INPIT |
