{
  "$type": "site.standard.document",
  "description": "A display apparatus includes a back-light unit including a second light-guide plate disposed on a first light-guide plate and a light-source element; a liquid crystal panel on the second light-guide plate of the back-light unit; a first viewing angle control unit disposed between the first…",
  "path": "/patents/1321501",
  "publishedAt": "2022-06-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G02F1/133615",
    "LG DISPLAY CO., LTD."
  ],
  "textContent": "A display apparatus includes a back-light unit including a second light-guide plate disposed on a first light-guide plate and a light-source element; a liquid crystal panel on the second light-guide plate of the back-light unit; a first viewing angle control unit disposed between the first light-guide plate and the second light-guide plate of the back-light unit, the first viewing angle control unit including first light-blocking patterns; and a supporting element disposed between an edge of the first light-guide plate and an edge of the first viewing angle control unit, wherein the light-source element includes a first light-source on a side of the first light-guide plate, a second light-source on a side of the second light-guide plate, and a light-source circuit board in which the first light-source and the second light-source are mounted, and wherein the supporting element is in contact with a surface of the light-source circuit board between the first light-source and the second light-source, thereby preventing deterioration of an image quality due to particles generated during a coupling process of the supporting element.",
  "title": "DISPLAY APPARATUS HAVING BACK-LIGHT UNIT AND LIQUID CRYSTAL PANEL"
}