| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal display device which is capable of displaying a pattern having a specific meaning while increasing flexibility in selection of colors, and which allows both a person having general color vision and a person having specific color vision to recognize substantially the same pattern.SOLUTION: In a display device 10, because an additional light-emitting device 17b which can be recognized by a person having specific color vision is disposed in an outline area 11q of a prescribed pattern, a person having general color vision can recognize the prescribed pattern including the outline displayed in a display area 11a as a signal. Further, a person having general color vision can recognize the outline area 11q of the prescribed pattern as a signal equivalent to the prescribed pattern. |
