| abstract |
ThenThe present invention relates to a screen for narrow band projectionnLight sources, in particular fornthe laser projection, the screen with a polycrystallinenLayer is provided, which has a surface structure, withnthe speckle effects can be reduced, as well as image walls thatnrepresent an impression of a polycrystalline layer, whereinnthe impression the surface structurenthe polycrystalline layer reproduces. |