{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "An array-type light-emitting device 212 includes multiple pixel circuits PIX electrically coupled in parallel and spatially arranged in a matrix. A power supply circuit 220 supplies electric power to the array-type light-emitting device 212. A DC/DC converter 224 has an output coupled to a power…",
  "path": "/patents/1400854",
  "publishedAt": "2025-02-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60Q1/076",
    "KOITO MFG CO LTD [JP]"
  ],
  "textContent": "An array-type light-emitting device 212 includes multiple pixel circuits PIX electrically coupled in parallel and spatially arranged in a matrix. A power supply circuit 220 supplies electric power to the array-type light-emitting device 212. A DC/DC converter 224 has an output coupled to a power supply terminal of the array-type light-emitting device 212 via a power supply line. A power supply control circuit 225 sets a target value VCNT(REF) that corresponds to a light distribution pattern, and controls the DC/DC converter 224 such that the control target voltage VCNT approaches the target value VCNT(REF).",
  "title": "VEHICULAR LAMP SYSTEM, POWER SUPPLY CIRCUIT"
}