| 摘要 |
The invention relates to a display device, comprising an image generator (8) having several pixels, from which pixels light bundles (L1, L2, L3) are emitted in order to generate an image, a control unit (7) for controlling the image generator (8), and an imaging optical system (14), which comprises a light guiding element (3, 4) having a front side (5, 5') and a rear side (6, 6'), which light guiding element has an input grating (10) formed on the front or rear side (6, 6'; 5, 5') and an output grating (11) formed on the front or rear side (5, 5'; 6, 6'), wherein the light bundles (L1-L3) are input into the light guiding element (3, 4) by means of diffraction at the input grating (10), are guided in the light guiding element (3, 4) to the output grating (11) by means of total internal reflection, and are output by means of diffraction at the output grating (11) in such a way that a user can perceive the generated image, wherein the front side (5, 5') and/or the rear side (6, 6') is curved and the imaging optical system (14) is designed in such a way that the light bundles (L1-L3) hit the output grating (11) at most n times depending on the position of the associated pixel, wherein n is an integer greater than or equal to three, and that the light bundles (L1-L3) are output upon 1 to m consecutive hits of the output grating (11) depending on the position of the associated pixel, wherein m is an integer greater than or equal to one and less than n and the output begins upon the (n-m+1)th hit at the latest. |
