| 摘要 |
PROBLEM TO BE SOLVED: To to provide a display film by which different images can be displayed in saved space in the presence and absence of a light source, and clear display by light emission is possible in the absent state of the light source. SOLUTION: This display film is provided with a first display layer 1 composed of a light storing material when necessary, having an opaque and non-porous base material sheet 4 and a light storing agent 5 or a light shielding agent 6 disposed on at least a part of the base material sheet 4, with a first image 10 visible in a no-light source state like nighttime formed thereon; a second display layer 2 with the first image 10 disposed on the first layer 1 in a partially shielded state, while a second image 11 visible under the light source is formed thereon; and a transparent protective layer 3 disposed on the second display layer 2. COPYRIGHT: (C)2004,JPO |
