{
  "$type": "site.standard.document",
  "description": "The purpose of the present invention is to provide a head-up display having enhanced evenness of display image luminance. This head-up display is provided with: a backlight unit having a light source, the backlight unit emitting illumination light; a liquid crystal display element for displaying an…",
  "path": "/patents/1299012",
  "publishedAt": "2021-09-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G02B27/0101",
    "NIPPON SEIKI CO., LTD."
  ],
  "textContent": "The purpose of the present invention is to provide a head-up display having enhanced evenness of display image luminance. This head-up display is provided with: a backlight unit having a light source, the backlight unit emitting illumination light; a liquid crystal display element for displaying an image, the image being irradiated by the illumination light, whereby the liquid crystal display element emits display light; a control means for controlling the illuminance of the backlight unit and display by the liquid crystal display element; a housing having an opening through which the display light passes, the housing housing the liquid crystal display element and the backlight unit; and a cover glass for reflecting and/or transmitting in at least one location in a display light path and projecting the reflected and/or transmitted display light.",
  "title": "DISPLAY DEVICE AND HEAD-UP DISPLAY DEVICE"
}