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  "path": "/news/2026-03-nanoscale-hotspots-oleds-shorten-lifespans.html",
  "publishedAt": "2026-03-17T15:40:02.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Electronics & Semiconductors"
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  "textContent": "The pixels in phone screens and other OLED displays appear to provide a uniform glow, but a team of University of Michigan Engineering researchers has discovered the light actually originates from nanoscale hotspots, some of which flicker. This might be hurting device lifespans.",
  "title": "Nanoscale hotspots in OLEDs may shorten their lifespans in phones and TVs"
}