| 摘要 |
The invention relates to an embossing structure for displaying different images in different viewing directions. The embossing structure comprises a plurality of grooves, wherein each groove comprises a first side wall for displaying one line of a first image in a first viewing direction, and a second side wall for displaying one line of a second image in a second viewing direction. The inventive embossing structure is characterized in that each groove further comprises a bottom section for displaying one line of a third image in a third viewing direction, and each of the bottom section, the first side wall and the second side wall comprises recesses which define the amount of light that is scattered in the respective viewing direction corresponding to pixel values of the three images. The invention further relates to an embossing structure for displaying four different images in four different viewing directions. |
