{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "In a vehicle display device, in accordance with a change in a degree of lightness around a vehicle based on illuminance detected by an illuminance sensor that detects illuminance around the vehicle, a brightness adjustment unit makes a response of brightness adjustment of a virtual image to the…",
  "path": "/patents/1433518",
  "publishedAt": "2026-06-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K35/654",
    "YAZAKI CORPORATION"
  ],
  "textContent": "In a vehicle display device, in accordance with a change in a degree of lightness around a vehicle based on illuminance detected by an illuminance sensor that detects illuminance around the vehicle, a brightness adjustment unit makes a response of brightness adjustment of a virtual image to the detected change in illuminance relatively fast when an age of a driver estimated by an age estimation unit is relatively high, and makes a response of the brightness adjustment of the virtual image to the detected change in illuminance relatively slow when the age of the driver is relatively low.",
  "title": "Vehicle display device"
}