| 摘要 |
PROBLEM TO BE SOLVED: To reduce a frame area by reducing possibilities of malfunctions caused by an optical sensor provided at a housing.SOLUTION: An optical path conversion member includes a prism (2a) for converting an optical path of light incident from a side where a display part of a housing (1) is provided with an elevation angle (&thetas;1) with respect to an upper side face (SUFa) to an optical path reaching an optical sensor (3) provided at the housing (1).SELECTED DRAWING: Figure 1 |
