| 摘要 |
The invention relates to an image generator (100), particularly for a head-up display device, comprising at least one laser source (101) producing a light beam (10), and means (102) for forming an image in an intermediate image plane (111), the image generator being characterised in that it also comprises diffraction means (140) located in the intermediate image plane (111) and provided with a plurality of microstructures (711-714, 7201-7225) arranged in a matrix (700) in order to form a matrix of microstructures, each microstructure being defined by a pattern, the matrix of microstructures comprising at least two different patterns. |
