{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreibabegqn4himcjfp65gc5yf5z3wjtkjugy37fgsbgox6sm4jnsk5i"
    },
    "mimeType": "image/png",
    "size": 116457
  },
  "description": "The present display device is a display device for displaying a virtual image in front of a driver of a vehicle, the display device including an illuminance detecting unit configured to receive light surrounding the vehicle, and detect a brightness of the received light; an uptake angle restricting…",
  "path": "/patents/926854",
  "publishedAt": "2017-05-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K35/231",
    "RICOH CO LTD [JP]"
  ],
  "textContent": "The present display device is a display device for displaying a virtual image in front of a driver of a vehicle, the display device including an illuminance detecting unit configured to receive light surrounding the vehicle, and detect a brightness of the received light; an uptake angle restricting unit configured to restrict an angle of the light received by the illuminance detecting unit; an outside light correcting unit configured to adjust a luminance of a display image, according to the brightness of the light detected by the illuminance detecting unit; and an image displaying unit configured to display the display image by superimposing the display image on a field of vision of the driver as the virtual image, based on a result of adjusting the luminance, wherein an angle ¸2 at which the illuminance detecting unit receives the light is restricted by the uptake angle restricting unit, according to an angle ¸1 formed by light beams emitted from the virtual image toward eyes of the driver.",
  "title": "VEHICULAR DISPLAY DEVICE WITH IMPROVED BRIGHTNESS ADJUSTMENT REGARDING TO THE BACKGROUND ILLUMINANCE"
}