{"id":2213,"date":"2026-09-24T01:10:00","date_gmt":"2026-09-23T16:10:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-24-lithographic-oled-pixels-en\/"},"modified":"2026-09-24T01:10:00","modified_gmt":"2026-09-23T16:10:00","slug":"2026-09-24-lithographic-oled-pixels-en","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-24-lithographic-oled-pixels-en\/","title":{"rendered":"OLED emitters become photoresists, letting tiny pixels be patterned like chips"},"content":{"rendered":"

2026-09-24 01:10 KST<\/strong><\/p>\n

A 16 September Nature paper and 23 September ETH report say crosslinkable luminous polymers survive processing that normally damages organic emitters.<\/p>\n

UV and electron-beam lithography produced multicolour microstructures, but drivers, lifetime and uniformity remain to be demonstrated.<\/p>\n

Why miniaturization is hard<\/h2>\n

Evaporation masks and inkjet printing face alignment and spreading limits, while semiconductor developers and solvents usually attack organic emitters.<\/p>\n

What changed<\/h2>\n

Long-chain emitters crosslink under exposure so illuminated regions remain. The emissive layer itself becomes the pattern without a separate photoresist.<\/p>\n

\"OLED
This AI-generated image explains the topic; it is not a photograph of an actual event, observation or field site.<\/figcaption><\/figure>\n

Possible uses<\/h2>\n

Candidates include high-resolution AR displays, viewfinders, on-chip light sources, microscopy and local illumination in cell or nerve research. Commercial performance is unproven.<\/p>\n

Next steps<\/h2>\n

Pixels must shrink further, RGB efficiency and lifetime must align, and control electronics must be integrated into a working screen.<\/p>\n

Primary source and independent checks<\/h2>\n

Primary source: Nature paper<\/a><\/p>\n

Institutional explanation: ETH Zurich<\/a><\/p>\n

Independent check: PubMed record and abstract<\/a><\/p>\n

Read in other languages<\/h2>\n

\ud55c\uad6d\uc5b4<\/a> \u00b7 English<\/a> \u00b7 Espa\u00f1ol<\/a> \u00b7 \u65e5\u672c\u8a9e<\/a> \u00b7 Ti\u1ebfng Vi\u1ec7t<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers made polymers that both emit light and act as photoresists, enabling direct OLED patterning. This is a fabrication proof, not a complete display with independently driven pixels.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-2213","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/2213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=2213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}