| 摘要 |
Light filter unit (10) has a mask (3), a prism unit (7) and a second mask (8). The prism unit is arranged between the two masks. The masks have aligned pairs of openings with a prism of the prism unit aligned with each pair of openings. The invention also relates to an assembly with an inventive filter unit and a photosensitive layer (2) arranged adjacent to the second mask. |
