| 摘要 |
PROBLEM TO BE SOLVED: To provide an illumination structure of an indicator that enhances visibility by reducing luminance unevenness while attaining downsizing.SOLUTION: An illumination structure of an indicator includes: a liquid crystal display plate 21 mounted so as to cover an opening 34 of a box-shaped storage part 33 a part of which is opened; a light source 43 provided in the storage part 33; a first reflection surface 45 provided between the liquid crystal display plate 21 and the light source 43 on one edge part side of the liquid crystal display plate 21 and reflecting light L from the light source 43; and a second reflection surface 48 arranged at an opposite position of the liquid crystal display plate 21 and reflecting the light L reflected on the first reflection surface 45 to guide the light L to the liquid crystal display plate 21. In the first reflection surface 45, corner parts on both sides are auxiliary reflection surfaces 45a facing to the substantial center in the width direction of the second reflection surface 48, and light La reflected on the auxiliary reflection surfaces 45a from the light source 43 is guided to the substantial center of the second reflection surface 48. |
