{"number":"US12702990B2","kindCode":"B2","documentType":"grant","title":{"original":"Actively cooled heat sink for OVJP print head","english":"Actively cooled heat sink for OVJP print head"},"abstract":{"original":"An organic vapor jet printing (OVJP) device is provided that includes an OVJP print head having a nozzle configured to eject an organic material entrained in a carrier gas, one or more heaters to heat the nozzle, and one or more heat sinks to remove heat from the region of the nozzle. OVJP deposition devices and techniques are also provided in which heat sinks are arranged in the region of one or more OVJP nozzle, which maintain an ambient temperature of not more than 40 C. when the print head is operated at an operating temperature of 450 C.","english":"An organic vapor jet printing (OVJP) device is provided that includes an OVJP print head having a nozzle configured to eject an organic material entrained in a carrier gas, one or more heaters to heat the nozzle, and one or more heat sinks to remove heat from the region of the nozzle. OVJP deposition devices and techniques are also provided in which heat sinks are arranged in the region of one or more OVJP nozzle, which maintain an ambient temperature of not more than 40 C. when the print head is operated at an operating temperature of 450 C."},"applicants":["Universal Display Corporation"],"inventors":["William E. QUINN","Craig Anthony OUTTEN","Gregory MCGRAW","Kent Khuong NGUYEN","Steven Shigeki AOCHI","Neil D. NGUYEN","David SMILEY","Michael FILIPPI"],"filingDate":"2022-08-03","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702990B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702990B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702990B2","ja":"https://downloadpatent.com/ja/patent/US12702990B2"}}