| 摘要 |
PROBLEM TO BE SOLVED: To provide a screen having a touch panel function and a small-sized display device having a touch panel function, reducing double images.SOLUTION: The screen 1 used as a display of the small-sized display device having a touch panel function includes: a Fresnel lens sheet 2 having a Fresnel lens part 22 that converts video light projected from a video light source into substantially parallel light and emits the video light; and a lenticular lens sheet 3 disposed on the side of the Fresnel lens sheet 2 from which the video light is emitted and having a plurality of unit lens parts, a plurality of unit light transmitting parts and a plurality of unit light absorbing parts. The unit lens parts constitute a video light incident surface of the sheet 3, extend in the lateral direction of the screen 1, and are disposed in the longitudinal direction. The unit light transmitting parts and the unit light absorbing parts constitute a part of the video light emitting surface of the sheet 3, and are alternately disposed in the longitudinal direction of the screen 1, and extend in the lateral direction of the screen 1. |
