| 摘要 |
PROBLEM TO BE SOLVED: To provide an illumination light display device which is not visually recognized at non-lighting of a light source and enables illumination light display of a predetermined display pattern at lighting of the light source.SOLUTION: An illumination light display device 101 comprises: a light guide body L1 having a light entering part L1n at an end part thereof; and a pattern layer 5 where a predetermined display pattern such as a character, symbol, and diagram is formed on a surface of the light guide body L1. The pattern layer 5 has silver nanowire. The device is not visually recognized at non-lighting of a light source LE1 and performs illumination light display of the predetermined display pattern at lighting of the light source LE1.SELECTED DRAWING: Figure 3 |
