{
  "$type": "site.standard.document",
  "description": "The invention relates to a device with an optical unit (3), which has at least one internal wall surface (35) that is provided with a surface structure (351). The surface structure (351) has cavities (352). Such a device is advantageously used in a head-up display with ambient light suppression.",
  "path": "/patents/1390136",
  "publishedAt": "2026-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K35/23",
    "AUMOVIO GERMANY GMBH [DE]"
  ],
  "textContent": "The invention relates to a device with an optical unit (3), which has at least one internal wall surface (35) that is provided with a surface structure (351). The surface structure (351) has cavities (352). Such a device is advantageously used in a head-up display with ambient light suppression.",
  "title": "APPARATUS WITH STRAY LIGHT CANCELLATION",
  "updatedAt": "2026-06-18T17:31:07.665Z"
}