{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreielvwyzob4dwoxv3i4bukf7z52qykkiwgafm4iev2cycz5cm72ac4"
    },
    "mimeType": "image/png",
    "size": 89182
  },
  "description": "A concave-convex Fresnel-lens for a lighting unit of a vehicle is provided. The concave-convex Fresnel-lens includes a convex output surface and a concave input surface. The convex output surface includes a Fresnel structure. The concave input surface has a first radius of curvature and the convex…",
  "path": "/patents/1435061",
  "publishedAt": "2026-07-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G02B3/08",
    "HELLA GMBH & CO. KGAA"
  ],
  "textContent": "A concave-convex Fresnel-lens for a lighting unit of a vehicle is provided. The concave-convex Fresnel-lens includes a convex output surface and a concave input surface. The convex output surface includes a Fresnel structure. The concave input surface has a first radius of curvature and the convex output surface has a second radius of curvature. The concave input surface is configured to be oriented towards a light source of the lighting unit.",
  "title": "CONCAVE-CONVEX FRESNEL LENS"
}